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TSZ22111･14･001 1/40
14.Jan.2013.Rev.008
Datasheet
CMOS LDO Regulator Series for Portable Equipments
Versatile Package
FULL CMOS LDO Regulator
BUxxTD2WNVX series
●General Description
BUxxTD2WNVX ser ies is hig h-performance FULL CMOS
regulator with 200-mA output, which is mounted on
versatile package SSON004X1010 (1.00mm × 1.00 mm
× 0.60mm). It has excellent noise characteristics and
load responsiveness characte ristics despite its low circuit
current consumption of 35μA. It is most appropriate for
various applications such as power supplies for logic IC,
RF, and camera modules.ROHM’s.
●Features
High accuracy detection
low current consumption
Compatible with small ceramic capacitor(Cin=Co=0.47uF)
With built-in output discharge circuit
High ripple rejection
ON/OFF control of output voltage
With built-in over current protection circ uit
and thermal shutdown circuit
Low dropout voltage
●Typical A pplication Circuit
●Key Specifications
Output voltage: 1.0V to 3.4V
Accuracy output voltage: ±1.0% (±25mV)
Low current consumption: 35μA
Operating temperature range: -40°C to +85°C
●Applications
Battery-powered portable equipment, etc.
●Package
SSON004X1010 : 1.00mm x 1.00mm x 0.60mm
Fig.1 Application Circuit
○Product structure:Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays.
STBY
VIN
GND
STBY
GND
GND
VOUTVOUT
VIN
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TSZ22111･15･001 2/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Connection Diagram
●Pin Descriptions
●Ordering Information
1 VOUT 2 GND
3 STBY
4 VIN
SSON004X1010 (TOP VIEW)
Part Number Marking
LOT Numbe
r
1PIN MARK
1 2
SSON004X1010
PIN No. Symbol Function
1 VOUT Output Voltage
2 GND Grouding
3 STBY
ON/OFF contro l of output voltage
(High: ON, Low: OFF)
4 VIN Power Supply Voltage
reverse FIN Substrate (Connect to GND)
SSON004X1010
(Unit : mm
)
1.0±0.1
1.0±0.1
1PIN MARK
0.6MAX
0.02+0.03
−0.02
S
0.05
(0.12)
0.65±0.05
0.48±0.05
0.07±0.1
0.25±0.05
0.25±0.1
1
45º
4
2
3
3-C0.18
R0.05
0.48±0.05
0.32±0.1
∗ Order quantity needs to be multiple of the minimum quantity.
<Tape and Reel information>
Embossed carrier tapeTape
Quantity
Direction
of feed
The direction is the 1pin of product is at the lower left when you hold
reel on the left hand and you pull out the tape on the left hand
5000pcs
TL
()
Direction of feed
Reel 1pin
BUx xTD2 W NVX- T L
Part Output Voltage Low Dropout Voltage with Package Packageing and forming specification
Number 10 : 1.0V Maximum Output Current output discharge NVX : SSON004X1010 Embossed tape and reel
200mA TL : The pin number 1 is the lower left
34 : 3.4V
1 VOUT 2 GND
3 STBY
4 VIN
BOTTOM VIEW
reverse FIN
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TSZ22111･15･001 3/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Lineup
●Absolute Maximum Ratings (Ta=25°C)
PARAMETER Symbol Limit Unit
Power Supply Voltage VMAX -0.3 ～ +6.5 V
Power Dissipation Pd 560(*1) mW
Maximum junction temperature TjMAX +125 ℃
Operating Temperature Range Topr -40 ～ +85 ℃
Storage Temperature Range Tstg -55 ～ +125 ℃
(*1)Pd deleted at 5.6mW/℃ at temperatures above Ta=25℃, mounted on 70×70×1.6 mm glass-epoxy PCB.
● RECOMMENDED OPERATING RANGE (not to exceed Pd)
PARAMETER Symbol Limit Unit
Power Supply Voltage VIN 1.7~6.0 V
Maximum Output Current IMAX 200 mA
●OPERATING CONDITIONS
(*2)Make sure that the output capacitor value is not kept lower than this specified level across a variety of
temperature, DC bias, changing as time progresses characteristic.
PARAMETER Symbol MIN. TYP. MAX. Unit CONDITION
Input Capacitor Cin 0.22(*2) 0.47 - μF Ceramic capacitor recommended
Output Capacitor Co 0.22(*2) 0.47 - μF
Marking A 6 5 2 B 3 5i C D
Output Voltage 1.0V 1.05V 1.1V 1.15V 1.2V 1.25V 1.3V 1.5V 1.8V
Part Number BU10 BU1A BU11 BU1B BU12 BU1C BU13 BU15 BU18
E F G r 0 1 H J K
1.85V 1.9V 2.0V 2.05V 2.1V 2.3V 2.5V 2.6V 2.7V
BU1J BU19 BU20 BU2A BU21 BU23 BU25 BU26 BU27
a L M N P Q R U Y
2.75V 2.8V 2.85V 2.9V 3.0V 3.1V 3.2V 3.3V 3.4V
BU2H BU28 BU2J BU29 BU30 BU31 BU32 BU33 BU34
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TSZ22111･15･001 4/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Electrical Characteristics
(Ta=25℃, VIN=VOUT+1.0V (*3), STBY=VIN, Cin=0.47μF, Co=0.47μF, unless otherwise noted.)
This product is not designed for protection against radioactive rays.
(*3) VIN=2.5V for VOUT≦1.5V
(*4) VIN=2.5V to 3.6V for VOUT≦1.5V
●Block Diagrams
PARAMETER Symbol
Limit
Unit Conditions
MIN. TYP. MAX.
Overall Device
Output Voltage VOUT
VOUT×0.99 VOUT VOUT×1.01
V
IOUT=10μA, VOUT≧2.5V
VOUT-25mV VOUT+25mV IOUT=10μA, VOUT＜2.5V
Operating Current IIN - 35 60 μA IOUT=0mA
Operating Current (STBY) ISTBY - - 1.0 μA STBY=0V
Ripple Rejection Ratio RR 45 70 - dB VRR=-20dBv, fRR=1kHz, IOUT=10mA
Dropout Voltage VSAT
- 800 1100 mV 1.0V≦VOUT＜1.2V(IOUT=200mA)
- 600 900 mV 1.2V≦VOUT＜1.5V(IOUT=200mA)
- 440 700 mV 1.5V≦VOUT＜1.8V(IOUT=200mA)
- 380 600 mV 1.8V≦VOUT＜2.5V(IOUT=200mA)
- 280 540 mV 2.5V≦VOUT≦2.6V(IOUT=200mA)
- 260 500 mV 2.7V≦VOUT≦2.85V(IOUT=200mA)
- 240 460 mV 2.9V≦VOUT≦3.1V(IOUT=200mA)
- 220 420 mV 3.2V≦VOUT≦3.4V(IOUT=200mA)
Line Regulation VDL - 2 20 mV VIN=VOUT+1.0V to 5.5V (*4), IOUT=10μA
Load Regulation VDLO - 10 80 mV IOUT=0.01mA to 100mA
Over Current Protection (OCP)
Limit Current ILMAX 220 400 700 mA Vo=VOUT*0.95
Short Current ISHORT 20 70 150 mA Vo=0V
Standby Block
Discharge Resistor RDSC 20 50 80 Ω VIN=4.0V, STBY=0V, VOUT=4.0V
STBY Pin Pull-down Current ISTB 0.1 0.6 2.0 μA STBY=1.5V
STBY Control Voltage
ON VSTBH 1.2 - 6.0 V
OFF VSTBL -0.3 - 0.3 V
Cin･･･0.47μF (Ceramic)
Co ･･･0.47μF (Ceramic)
4
3
1
2
Cin
VIN
GND
STBY
STBY
VOUT VOUT
Co
VREF
OCP
STBY Discharge
TSD
VIN
Fig. 2 Block Diagrams
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TSZ22111･15･001 5/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 11. VOUT - Temp
●Reference data BU12TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 3. Output Voltage Fig 4. Line Regulation Fig 5. Circuit Current IGND
Fig 6. VSTBY - ISTBY Fig 7. IOUT - IGND Fig 8. Load Regulation
Fig 9. OCP Threshold Fig 10. STBY Threshold
Fig 12. IGND vs Temp Fig 13. IGND - Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
1.15
1.16
1.17
1.18
1.19
1.20
1.21
1.22
1.23
1.24
1.25
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2
Input Vol t age (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Current (uA)
Io=0uA
VIN=STBY
Temp=85°
Temp=25°C
Temp=-40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
Output Current (A)
Gnd Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=2.5V
STBY=1.5V
0.0
0.5
1.0
1.5
00.511.5
STBY Voltage (V)
Output Voltage (V)
VIN=2.5V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
1.15
1.16
1.17
1.18
1.19
1.20
1.21
1.22
1.23
1.24
1.25
-40 -15 10 35 60 85
Temp (°C)
Output V oltage (V)
VIN=2.5V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=2.5V
STBY=1.5V
Io=0mA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Te mp (°C)
Gnd Current (uA)
VIN=2.5V
STBY=0V
1.15
1.16
1.17
1.18
1.19
1.20
1.21
1.22
1.23
1.24
1.25
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=2.5V
STBY=1.5V
Temp=25°C Temp=85°C
Temp=-40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0 0.1 0.2 0.3 0.4 0.5 0.6
Output Current (A)
Output Vol tage (V)
VIN=5.5V
Temp=25°C
VIN=2.5V
VIN=1.7V
STBY=1.5V
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TSZ22111･15･001 6/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU12TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 14. Load Response
1.20
1.15
1.10
1.25
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 16. Load Response
1.20
1.15
1.10
1.25
Output Voltage (V)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 18. Load Response
1.20
1.10
1.00
1.30
Output Voltage (V)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 20. Load Response
1.20
1.15
1.10
1.25
Output Voltage (V)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 21. Load Response
1.20
1.15
1.10
1.25
Out
p
ut Volta
g
e
(
V
)
Out
p
ut Current
(
mA
)
50
100
0
IOUT=100mA→50mA
Fig 17. Load Response
1.25
1.20
1.15
1.30
Output Voltage (V)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 19. Load Response
Output Current (mA)
100
200
0
1.30
1.20
1.10
1.40
Output Voltage (V)
IOUT=200mA→0mA
Fig 15. Load Response
IOUT=50mA→0mA
1.25
1.20
1.15
1.30
Output Voltage (V)
Output Current (mA)
50
100
0
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TSZ22111･15･001 7/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU12TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 22. Start Up Time
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 23. Start Up Time
Iout=200mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 24. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→2.5V
Fig 25. Start Up Time
(VIN=STBY) Iout=200mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→2.5V
Fig 26. Discharge Time
STBY Voltage (V)
1.0
2.0
0.0
1.0
0.0
2.0
Output Voltage (V)
STBY=1.5→0
V
Fig 27.
V
IN Response
1.20
1.19
1.18
1.21
Output Voltage (V)
Input Voltage (V)
3.5
4.5
2.5
V
IN=2.5
V
→3.5
V
→2.5V
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TSZ22111･15･001 8/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 36. VOUT - Temp
●Reference data BU15TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 28. Output Voltage Fig 29. Line Regulation Fig 30. Circuit Current IGND
Fig 31. VSTBY - ISTBY Fig 32. IOUT - IGND Fig 33. Load Regulation
Fig 34. OCP Threshold Fig 35. STBY Threshold
Fig 37. IGND vs Temp Fig 38. IGND vs Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
1.45
1.46
1.47
1.48
1.49
1.50
1.51
1.52
1.53
1.54
1.55
1.41.51.61.71.81.9 2 2.1
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Current (uA)
IO=0uA VIN=STBY
Temp=85°C
Temp=25°C
Temp=-40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
O u tp ut Current (A)
Gnd Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=2.5V
STBY=1.5V
0.0
0.5
1.0
1.5
2.0
00.511.5
STBY Voltage (V)
Output Voltage (V)
VIN=3.8V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
1.45
1.46
1.47
1.48
1.49
1.50
1.51
1.52
1.53
1.54
1.55
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=2.5V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=2.5V
STBY=1.5V
Io=0mA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Te mp (°C)
Gnd Current (uA)
VIN=2.5V
STBY=0V
1.45
1.46
1.47
1.48
1.49
1.50
1.51
1.52
1.53
1.54
1.55
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=2.5V
STBY=1.5V
Temp=25°C Temp=85°C
Temp=-40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0 0.1 0.2 0.3 0.4 0.5 0.6
O utput Current (A)
Output Voltage (V)
VIN=5.5V
Temp=25°C
STBY=1.5V
VIN=2.5V
VIN=2.0V
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TSZ22111･15･001 9/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU15TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 41. Load Response
1.50
1.45
1.40
1.55
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 39. Load Response
1.50
1.45
1.40
1.55
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 43. Load Response
1.50
1.40
1.30
1.60
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 45. Load Response
1.50
1.45
1.40
1.55
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 46. Load Response
1.55
1.50
1.45
1.60
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→50mA
Fig 40. Load Response
IOUT=50mA→0mA
1.25
1.20
1.15
1.30
Output Voltage (V)
Output Current (mA)
50
100
0
1.55
1.50
1.45
1.60
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
Fig 42. Load Response
1.25
1.20
1.15
1.30
Output Voltage (V)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Output Current (mA)
50
100
0
1.55
1.50
1.45
1.60
Out
p
ut Volta
g
e
(
V
)
Fig 44. Load Response
Output Current (mA)
100
200
0
1.30
1.20
1.10
1.40
Output Voltage (V)
IOUT=200mA→0mA
Output Current (mA)
100
200
0
1.60
1.50
1.40
1.70
Out
p
ut Volta
g
e
(
V
)
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TSZ22111･15･001 10/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU15TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 47. Start Up Time
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 48. Start Up Time
Iout=200mA
STBY Voltage (V)
1.0
2.0
0.0
1.0
0.0
2.0
Output Voltage (V)
STBY=0→1.5V
Fig 49. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→2.5V
Fig 50. Start Up Time
(VIN=STBY) Iout=200mA
STBY Voltage (V)
2.0
4.0
0.0
1.0
0.0
2.0
Output Voltage (V)
VIN=STBY=0→2.5V
Fig 51. Discharge Time
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0
V
Fig 52.
V
IN Response
1.50
1.49
1.48
1.51
Output Voltage (V)
Input Voltage (V)
3.5
4.5
2.5
V
IN=2.5
V
→3.5
V
→2.5V
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TSZ22111･15･001 11/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU18TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 53. Output Voltage Fig 54. Line Regulation Fig 55. Circuit Current IGND
Fig 56. VSTBY - ISTBY Fig 57. IOUT - IGND Fig 58. Load Regulation
Fig 59. OCP Threshold Fig 60. STBY Threshold Fig 61. VOUT - Temp
Fig 62. IGND - Temp Fig 63. IGND - Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.85
1.7 1.8 1.9 2 2.1 2.2 2.3 2.4 2.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Curren t (uA)
Io=0uA
Temp=85°C
Temp=25°C
VIN=STBY
Temp=-40°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
Output Current (A)
Gnd Curren t (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=2.8V
STBY=1.5V
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.85
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=2.8V
STBY=1.5V
Temp=-40°C
Temp=25°C Temp=85°C
0.0
0.5
1.0
1.5
2.0
0 0.5 1 1.5
STBY Voltage (V)
Output Voltage (V)
VIN=3.8V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
1.75
1.76
1.77
1.78
1.79
1.80
1.81
1.82
1.83
1.84
1.85
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=2.8V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=2.8V
STBY=1.5V
Io=0mA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=2.8V
STBY=0V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0.00.10.20.30.40.50.6
Output Current (mA)
Output Voltage (V)
VIN=2.3V
VIN=2.8V
VIN=5.5V
Temp=25°C
STBY=1.5V
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 12/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU18TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 64. Load Response
1.80
1.75
1.70
1.85
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 65. Load Response
1.85
1.80
1.75
1.90
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→0mA
Fig 66. Load Response
1.80
1.75
1.70
1.85
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 67. Load Response
Output Current (mA)
50
100
0
1.85
1.80
1.75
1.90
Out
p
ut Volta
g
e
(
V
)
IOUT=100mA→0mA
Fig 68. Load Response
1.80
1.70
1.60
1.90
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 69. Load Response
Output Current (mA)
100
200
0
1.90
1.80
1.70
2.00
Out
p
ut Volta
g
e
(
V
)
IOUT=200mA→0mA
Fig 70. Load Response
1.80
1.70
1.60
1.90
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 71. Load Response
1.80
1.75
1.70
1.85
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→50mA
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 13/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU18TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 72. Start Up Time
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 73. Start Up Time
Iout=200mA
STBY Voltage (V)
1.0
2.0
0.0
1.0
0.0
2.0
Output Voltage (V)
STBY=0→1.5V
Fig 74. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→2.8V
Fig 75. Start Up Time
(VIN=STBY) Iout=200mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=2.8→0V
Fig 76. Discharge Time
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0V
Fig 77. VIN Response
1.80
1.79
1.78
1.81
Output Voltage (V)
Input Voltage (V)
3.8
4.8
2.8
V
IN=2.8
V
→3.8
V
→2.8V
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 14/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 86. VOUT - Temp
●Reference data BU19TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 78. Output Voltage Fig 79. Line Regulation Fig 80. Circuit Current IGND
Fig 81. VSTBY - ISTBY Fig 82. IOUT - IGND Fig 83. Load Regulation
Fig 84. OCP Threshold Fig 85. STBY Threshold
Fig 87. IGND - Temp Fig 88. IGND - Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
1.85
1.86
1.87
1.88
1.89
1.90
1.91
1.92
1.93
1.94
1.95
1.81.9 2 2.12.22.32.42.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA VIN=STBY 0
20
40
60
80
100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Input Voltage (V)
Gnd Curren t (uA)
IO=0uA
Temp=85°C
Temp=25°C
Temp=-40°C
VIN=STBY
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
Output Current (A)
Gnd Curren t (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=3.9V
STBY=1.5V
1.85
1.86
1.87
1.88
1.89
1.90
1.91
1.92
1.93
1.94
1.95
0 0.05 0.1 0.15 0.2
Output Current (A)
Ou tput Voltage (V)
VIN=2.9V
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
0 0.5 1 1.5
STBY Voltage (V)
Output Voltag e (V)
VIN=3.9V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
1.85
1.86
1.87
1.88
1.89
1.90
1.91
1.92
1.93
1.94
1.95
-40 -15 10 35 60 85
Temp (°C)
Output Voltag e (V)
VIN=2.9V
STBY=1.5V
Io=100µA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=2.9V
STBY=1.5V
Io=0µA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=2.9V
STBY=0V
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
0 0.1 0.2 0.3 0.4 0.5 0.6
Outp u t Cu rrent (A)
Output Voltage (V
)
VIN=5.5V
VIN=2.4V
VIN=2.9V
Temp=25°C
STBY=1.5V
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TSZ22111･15･001 15/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU19TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 89. Load Response
1.90
1.85
1.80
1.95
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 90. Load Response
1.95
1.90
1.85
2.00
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→0mA
Fig 91. Load Response
1.90
1.85
1.80
1.95
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 92. Load Response
1.95
1.90
1.85
2.00
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 93. Load Response
1.90
1.80
1.70
2.00
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 94. Load Response
2.00
1.90
1.80
2.10
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=200mA→0mA
Fig 95. Load Response
1.90
1.85
1.80
1.95
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 96. Load Response
1.95
1.90
1.85
2.00
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→50mA
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TSZ22111･15･001 16/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU19TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 97. Start Up Time
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 98. Start Up Time
Iout=200mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 99. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→2.9V
Fig 100. Start Up Time
(VIN=STBY) Iout=200mA
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→2.9V
Fig 101. Discharge Time
1.0
0.0
2.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0
V
Fig 102.
V
IN Response
1.90
1.89
1.88
1.91
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
3.9
4.9
2.9
V
IN=2.9
V
→3.9
V
→2.9V
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 17/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 112. VOUT - Temp
●Reference data BU25TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 103. Output Voltage Fig 104. Line Regulation Fig 105. Circuit Current IGND
Fig 106. VSTBY - ISTBY Fig 107. IOUT - IGND Fig 108. Load Regulation
Fig 109. Dropout Voltage Fig 110. OCP Threshold Fig 111. STBY Threshold
Fig 113. IGND - Temp Fig 114. IGND - Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY 2.45
2.46
2.47
2.48
2.49
2.50
2.51
2.52
2.53
2.54
2.55
2.4 2.5 2.6 2.7 2.8 2.9 3 3.1
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Curren t (uA)
IO=0uA
Temp=85°C
Temp=25°C
Temp=-40°C
VIN=STBY
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
Output Current (A)
Gnd Curren t (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=3.5V
STBY=1.5V
2.45
2.46
2.47
2.48
2.49
2.50
2.51
2.52
2.53
2.54
2.55
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltag e (V)
VIN=3.5V
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0 0.05 0.1 0.15 0.2
Output Current (A)
Dropout Voltage (V)
VIN = 0.98 x VOUT
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 0.5 1 1.5
STBY Voltage (V)
Output Voltag e (V)
VIN=3.5V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
2.45
2.46
2.47
2.48
2.49
2.50
2.51
2.52
2.53
2.54
2.55
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=3.5V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=3.5V
STBY=1.5V
Io=0mA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=3.5V
STBY=0V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 0.1 0.2 0.3 0.4 0.5 0.6
Outp u t C urrent (A)
Output Voltage (V)
VIN=5.5V VIN=3.0V
VIN=3.5V
STBY=1.5V
Temp=25°C
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 18/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU25TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 115. Load Response
2.50
2.45
2.40
2.55
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 116. Load Response
Output Current (mA)
50
100
0
2.55
2.50
2.45
2.60
Out
p
ut Volta
g
e
(
V
)
IOUT=50mA→0mA
Fig 117. Load Response
2.50
2.45
2.40
2.55
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 118. Load Response
2.55
2.50
2.45
2.60
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=100mA→0mA
Fig 119. Load Response
2.50
2.40
2.30
2.60
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 120. Load Response
Output Current (mA)
100
200
0
2.60
2.50
2.40
2.70
Out
p
ut Volta
g
e
(
V
)
IOUT=200mA→0mA
Fig 121. Load Response
2.50
2.45
2.40
2.55
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 122. Load Response
2.55
2.50
2.45
2.60
Out
p
ut
V
olta
g
e
(
V
)
IOUT=100mA→50mA
Output Current (mA)
50
100
0
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 19/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU25TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 125. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.5V
Fig 126. Start Up Time
(VIN=STBY) Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.5V
Fig 123. Start Up Time
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 124. Start Up Time
Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 127. Discharge Time
2.0
0.0
4.0
Output Voltage (V)
STBY=1.5→0
V
STBY Voltage (V)
1.0
2.0
0
Fig 128.
V
IN Response
V
IN=3.5
V
→4.5
V
→3.5V
2.50
2.49
2.48
2.51
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
4.5
5.5
3.5
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TSZ22111･15･001 20/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 138. VOUT - Temp
●Reference data BU26TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 129. Output Voltage Fig 130. Line Regulation Fig 131. Circuit Current IGND
Fig 132. VSTBY - ISTBY Fig 133. IOUT - IGND Fig 134. Load Regulation
Fig 135. Dropout Voltage Fig 136. OCP Threshold Fig 137. STBY Threshold
Fig 139. IGND - Temp Fig 140. IGND - Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
2.55
2.56
2.57
2.58
2.59
2.60
2.61
2.62
2.63
2.64
2.65
2.5 2.6 2.7 2.8 2.9 3 3.1 3.2
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
G nd Current (uA)
IO=0uA VIN=STBY
Temp=85°C
Temp=25°C
Temp=-40°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
Output Current (A)
Gnd Curren t (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=3.6V
STBY=1.5V
2.55
2.56
2.57
2.58
2.59
2.60
2.61
2.62
2.63
2.64
2.65
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltag e (V)
VIN=3.6V
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0 0.05 0.1 0.15 0.2
Output Current (A)
Dropout Voltage (V)
VIN = 0.98 x VOUT
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 0.1 0.2 0.3 0.4 0.5 0.6
Output Current (A)
Output Voltage (V)
VIN=5.5V
VIN=3.1V
VIN=3.6V
Temp=25°C
STBY=1.5V 0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 0.5 1 1.5
STBY Voltage (V)
Output Voltag e (V)
VIN=3.6V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
2.55
2.56
2.57
2.58
2.59
2.60
2.61
2.62
2.63
2.64
2.65
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=3.6V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=3.6V
STBY=1.5V
Io=0mA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=3.6V
STBY=0V
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TSZ22111･15･001 21/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU26TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 141. Load Response
2.60
2.55
2.50
2.65
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 142. Load Response
2.65
2.60
2.55
2.70
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→0mA
Fig 143. Load Response
2.60
2.55
2.50
2.65
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 144. Load Response
2.65
2.60
2.55
2.70
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 145. Load Response
2.60
2.50
2.40
2.70
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 146. Load Response
2.70
2.60
2.50
2.80
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=200mA→0mA
Fig 147. Load Response
2.60
2.55
2.50
2.65
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 148. Load Response
2.61
2.60
2.59
2.62
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→50mA
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TSZ22111･15･001 22/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU26TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 149. Start Up Time
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 151. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.6V
Fig 152. Start Up Time
(VIN=STBY) Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.6V
Fig 150. Start Up Time
Iout=200mA
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
2.0
0.0
4.0
Output Voltage (V)
Fig 153. Discharge Time
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0V
Fig 154.
V
IN Response
2.65
2.60
2.55
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
4.6
5.6
3.6
V
IN=3.6
V
→4.6
V
→3.6V
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TSZ22111･15･001 23/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 164. VOUT - Temp
●Reference data BU27TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 155. Output Voltage Fig 156. Line Regulation Fig 157. Circuit Current IGND
Fig 158. VSTBY - ISTBY Fig 159. IOUT - IGND Fig 160. Load Regulation
Fig 161. Dropout Voltage Fig 162. OCP Threshold Fig 163. STBY Threshold
Fig 165. IGND - Temp Fig 166. IGND - Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
2.65
2.66
2.67
2.68
2.69
2.70
2.71
2.72
2.73
2.74
2.75
2.62.72.82.9 3 3.13.23.3
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
G nd Current (uA)
IO=0uA VIN=STBY
Temp=-40°C
Temp=25°C
Temp=85°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
Output Current (A)
Gnd Curren t (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=3.7V
STBY=1.5V
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0 0.05 0.1 0.15 0.2
Output Current (A)
Dropout Voltage (V)
VIN = 0.98 x VOUT
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 0.5 1 1.5
STBY Voltage (V)
Output Voltag e (V)
VIN=3.7V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
2.65
2.66
2.67
2.68
2.69
2.70
2.71
2.72
2.73
2.74
2.75
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=3.7V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=3.7V
STBY=1.5V
Io=0.1mA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=3.7V
STBY=0V
2.65
2.66
2.67
2.68
2.69
2.70
2.71
2.72
2.73
2.74
2.75
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=3.7V
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 0.1 0.2 0.3 0.4 0.5 0.6
Outp u t C urrent (A)
Output Voltage (V)
VIN=5.5V
VIN=3.1V
VIN=3.6V
Temp=25°C
STBY=1.5V
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TSZ22111･15･001 24/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU27TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 167. Load Response
2.70
2.65
2.60
2.75
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 168. Load Response
2.75
2.70
2.65
2.80
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→0mA
Fig 169. Load Response
2.70
2.65
2.60
2.75
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 170. Load Response
2.75
2.70
2.65
2.80
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 171. Load Response
2.70
2.60
2.50
2.80
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 172. Load Response
2.80
2.70
2.60
2.90
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=200mA→0mA
Fig 173. Load Response
2.70
2.65
2.60
2.75
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 174. Load Response
2.75
2.70
2.65
2.80
Out
p
ut Volta
g
e
(
V
)
IOUT=100mA→50mA
Output Current (mA)
50
100
0
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TSZ22111･15･001 25/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU27TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 176. Start Up Time
Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 177. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.7V
Fig 178. Start Up Time
(VIN=STBY) Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.7V
Fig 179. Discharge Time
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0
V
Fig 180.
V
IN Response
2.70
2.69
2.68
2.71
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
4.7
5.7
3.7
Fig 175. Start Up Time
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
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TSZ22111･15･001 26/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 190. VOUT - Temp
●Reference data BU28TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 181. Output Voltage Fig 182. Line Regulation Fig 183. Circuit Current IGND
Fig 184. VSTBY - ISTBY Fig 185. IOUT - IGND Fig 186. Load Regulation
Fig 187. Dropout Voltage Fig 188. OCP Threshold Fig 189. STBY Threshold
Fig 191. IGND - Temp Fig 192. IGND - Temp (STBY)
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=3.8V
STBY=0V
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=3.8V
STBY=1.5V
Io=0mA
2.75
2.76
2.77
2.78
2.79
2.80
2.81
2.82
2.83
2.84
2.85
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=3.8V
STBY=1.5V
Io=0.1mA
0.0
0.5
1.0
1.5
2.0
2.5
3.0
00.511.5
STBY Voltage (V)
Output Voltage (V)
VIN=3.8V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
2.75
2.76
2.77
2.78
2.79
2.80
2.81
2.82
2.83
2.84
2.85
2.7 2.8 2.9 3 3.1 3.2 3.3 3.4
Input Voltage (V)
Output Voltage (V)
Temp=25°C VIN=STBY
Io=0uA
Io=100uA
Io=50mA
Io=200mA
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Current (uA)
Io=0uA VIN=STBY
Temp=85°C
Temp=25°C
Temp=-40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
O u tp ut Current (A)
Gnd Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=3.8V
STBY=1.5V
2.75
2.76
2.77
2.78
2.79
2.80
2.81
2.82
2.83
2.84
2.85
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=3.8V
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0 0.05 0.1 0.15 0.2
Output Current (A)
Dropout Voltage (V)
VIN = 0.98 x VOUT
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
0 0.1 0.2 0.3 0.4 0.5 0.6
Output Current (A)
Output Voltage (V
)
VIN=5.5V
VIN=3.3V
VIN=3.8V
Temp=25°C
STBY=1.5V
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 27/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU28TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 194. Load Response Fig 193. Load Response
2.80
2.75
2.70
2.85
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 195. Load Response
2.80
2.75
2.70
2.85
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 196. Load Response
2.85
2.80
2.75
2.90
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 197. Load Response
2.80
2.70
2.60
2.90
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fige 198. Load Response
2.90
2.80
2.70
3.00
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=200mA→0mA
Fig 199. Load Response
2.80
2.75
2.70
2.85
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 200. Load Response
2.85
2.80
2.75
2.90
Out
p
ut Volta
g
e
(
V
)
IOUT=100mA→50mA
Output Current (mA)
50
100
0
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 28/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU28TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 201. Start Up Time
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 202. Start Up Time
Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 203. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.8V
Fig 204. Start Up Time
(VIN=STBY) Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→3.8V
Fig 205. Discharge Time
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0
V
Fig 206.
V
IN Response
2.80
2.79
2.78
2.81
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
4.8
5.8
3.8
VIN=3.8→4.8V→3.8V
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TSZ22111･15･001 29/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 216. VOUT - Temp
●Reference data BU30TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 207. Output Voltage Fig 208. Line Regulation Fig 209. Circuit Current IGND
Fig 210. VSTBY - ISTBY Fig 211. IOUT - IGND Fig 212. Load Regulation
Fig 213. Dropout Voltage Fig 214. OCP Threshold Fig 215. STBY Threshold
Fig 217. IGND - Temp Fig 218. IGND - Temp (STBY)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY 2.95
2.96
2.97
2.98
2.99
3.00
3.01
3.02
3.03
3.04
3.05
2.9 3 3.13.23.33.43.53.6
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Current (uA)
Io=0uA VIN=STBY
Temp=85°C
Temp=25°C
Temp=-40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
O u tput Current (A)
Gnd Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=4.0V
STBY=1.5V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
00.511.5
STBY Voltage (V)
Output Voltage (V)
VIN=4.0V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
2.95
2.96
2.97
2.98
2.99
3.00
3.01
3.02
3.03
3.04
3.05
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=4.0V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=4.0V
STBY=1.5V
Io=0mA
2.95
2.96
2.97
2.98
2.99
3.00
3.01
3.02
3.03
3.04
3.05
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=4.0V
STBY=1.5V
Temp=25°C
Temp=-40°C Temp=85°C
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0 0.05 0.1 0.15 0.2
Output Current (A)
Dropout Voltage (V)
VIN = 0.98 x VOUT
STBY=1.5V
Temp=25°C
Temp=-40°C
Temp=85°C
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=4.0V
STBY=0V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 0.10.20.30.40.50.6
O utput Current (A)
Output Voltage (V)
VIN=5.5V
VIN=3.5V
VIN=4.0V
Temp=25°C
STBY=1.5V
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 30/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU30TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 219. Load Response
3.00
2.95
2.90
3.05
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 220. Load Response
3.05
3.00
2.95
3.10
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→0mA
Fig 221. Load Response
3.00
2.95
2.90
3.05
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 222. Load Response
3.05
3.00
2.95
3.10
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 223. Load Response
3.00
2.90
2.80
3.10
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 224. Load Response
3.10
3.00
2.90
3.20
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=200mA→0mA
Fig 225. Load Response
3.00
2.95
2.90
3.05
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 226. Load Response
3.05
3.00
2.95
3.10
Out
p
ut Volta
g
e
(
V
)
IOUT=100mA→50mA
Output Current (mA)
50
100
0
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 31/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU30TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 227. Start Up Time
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 228. Start Up Time
Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 229. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→4.0V
Fig 230. Start Up Time
(VIN=STBY) Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→4.0V
Fig 231. Discharge Time
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
STBY=1.5→0
V
Fig 232.
V
IN Response
3.00
2.99
2.98
3.01
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
5.0
6.0
4.0
VIN=4.0→5.0V→4.0V
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TSZ22111･15･001 32/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 242. VOUT - Temp
●Reference data BU31TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 233. Output Voltage Fig 234. Line Regulation Fig 235. Circuit Current IGND
Fig 236. VSTBY - ISTBY Fig 237. IOUT - IGND Fig 238. Load Regulation
Fig 239. Dropout Voltage Fig 240. OCP Threshold Fig 241. STBY Threshold
Fig 243. IGND - Temp Fig 244. IGND - Temp (STBY)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY 3.05
3.06
3.07
3.08
3.09
3.10
3.11
3.12
3.13
3.14
3.15
3 3.1 3.2 3.3 3.4 3.5 3.6 3.7
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Current (uA)
IO=0uA VIN=STBY
Temp=85°
Temp=25°
Temp=-40°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
O u tp ut Current (A)
Gnd Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=4.1V
STBY=1.5V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 0.1 0.2 0.3 0.4 0.5 0.6
Output Current (A)
Output Voltage (V)
VIN=5.5V
VIN=3.6V
VIN=4.1V
Temp=25°C
STBY=1.5V 0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
0 0.5 1 1.5
STBY Voltage (V)
Output Voltage (V)
VIN=4.1V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
3.05
3.06
3.07
3.08
3.09
3.10
3.11
3.12
3.13
3.14
3.15
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=4.1V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=4.1V
STBY=1.5V
Io=0mA
3.05
3.07
3.09
3.11
3.13
3.15
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=4.1V
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0 0.05 0.1 0.15 0.2
Output Current (A)
Dropout Voltage (V)
VIN = 0.98 x VOUT
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Temp (°C)
Gnd Curren t (uA)
VIN=4.1V
STBY=0V
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TSZ22111･15･001 33/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU31TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 245. Load Response
3.10
3.05
3.00
3.15
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 246. Load Response
3.15
3.10
3.05
3.20
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→0mA
Fig 247. Load Response
3.10
3.05
3.00
3.15
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 248. Load Response
3.15
3.10
3.05
3.20
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 249. Load Response
3.10
3.00
2.90
3.20
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 250. Load Response
3.20
3.10
3.00
3.30
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=200mA→0mA
Fig 251. Load Response
3.10
3.05
3.00
3.15
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 252. Load Response
3.15
3.10
3.05
3.20
Out
p
ut Volta
g
e
(
V
)
IOUT=100mA→50mA
Output Current (mA)
50
100
0
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TSZ22111･15･001 34/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU31TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 253. Start Up Time
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 254. Start Up Time
Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 255. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→4.1V
Fig 256. Start Up Time
(VIN=STBY) Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→4.1V
Fig 257. Discharge Time
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0
V
Fig 258.
V
IN Response
3.10
3.09
3.08
3.11
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
5.1
6.1
4.1
VIN=4.1V→5.1V→4.1V
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TSZ22111･15･001 35/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
Fig 268. VOUT - Temp
●Reference data BU33TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 259. Output Voltage Fig 260. Line Regulation Fig 261. Circuit Current
IGND
Fig 262. VSTBY - ISTBY Fig 263. IOUT - IGND Fig 264. Load Regulation
Fig 265. Dropout Voltage Fig 266. OCP Threshold Fig 267. STBY Threshold
Fig 269. IGND - Temp Fig 270. IGND - Temp (STBY)
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
00.511.522.533.544.555.5
Input Voltage (V)
Output Voltage (V)
Temp=25°C
Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
3.25
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9
Input Voltage (V)
Output Voltage (V)
Temp=25°C Io=0uA
Io=100uA
Io=50mA
Io=200mA
VIN=STBY
0
20
40
60
80
100
00.511.522.533.544.555.5
Input Voltage (V)
Gnd Current (uA)
Io=0uA VIN=STBY
Temp=85°C
Temp=25°C
Temp=-40°C
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
00.511.522.533.544.555.5
Input Voltage (V)
STBY Pin Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
0
20
40
60
80
100
0 0.05 0.1 0.15 0.2
O u tp ut Current (A)
Gnd Current (uA)
Temp=-40°C
Temp=25°C
Temp=85°C
VIN=4.3V
STBY=1.5V
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
0 0.1 0.2 0.3 0.4 0.5 0.6
Output Current (A)
Output Voltage (V)
VIN=5.5V
VIN=3.8V
VIN=4.3V
Temp=25°C
STBY=1.5V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
00.511.5
STBY Voltage (V)
Output Voltage (V)
VIN=4.3V
Io=0mA
Temp=-40°C
Temp=25°C
Temp=85°C
3.25
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
-40 -15 10 35 60 85
Temp (°C)
Output Voltage (V)
VIN=4.3V
STBY=1.5V
Io=0.1mA
0
10
20
30
40
50
60
-40 -15 10 35 60 85
Temp (°C)
Gnd Current (uA)
VIN=4.3V
STBY=1.5V
Io=0mA
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
-40 -15 10 35 60 85
Te mp (°C)
Gnd Current (uA)
VIN=4.3V
STBY=0V
3.25
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
0 0.05 0.1 0.15 0.2
Output Current (A)
Output Voltage (V)
VIN=4.3V
STBY=1.5V
Temp=85°C
Temp=25°C
Temp=-40°C
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0 0.05 0.1 0.15 0.2
Output Current (A)
Dropout Voltage (V)
VIN = 0.98 x VOUT
STBY=1.5V
Temp=-40°C
Temp=25°C
Temp=85°C
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 36/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU33TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 271. Load Response
3.30
3.25
3.20
3.35
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→50mA
Fig 272. Load Response
3.35
3.30
3.25
3.40
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→0mA
Fig 273. Load Response
3.30
3.25
3.20
3.35
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=0mA→100mA
Fig 274. Load Response
3.35
3.30
3.25
3.40
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=100mA→0mA
Fig 275. Load Response
3.30
3.20
3.10
3.40
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=0mA→200mA
Fig 276. Load Response
3.40
3.30
3.20
3.50
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
100
200
0
IOUT=200mA→0mA
Fig 277. Load Response
3.30
3.25
3.20
3.35
Out
p
ut Volta
g
e
(
V
)
Output Current (mA)
50
100
0
IOUT=50mA→100mA
Fig 278. Load Response
3.35
3.30
3.25
3.40
Out
p
ut Volta
g
e
(
V
)
IOUT=100mA→50mA
Output Current (mA)
50
100
0
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved. TSZ02201-0RBR0A300050-1-2
TSZ22111･15･001 37/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Reference data BU33TD2WNVX (Ta=25ºC unless otherwise specified.)
Fig 279. Start Up Time
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 280. Start Up Time
Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=0→1.5V
Fig 281. Start Up Time
(VIN=STBY) Iout=0mA
Iout=0mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→4.3 V
Fig 282. Start Up Time
(VIN=STBY) Iout=200mA
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
2.0
4.0
0.0
VIN=STBY=0→4.3V
Fig 283. Discharge Time
2.0
0.0
4.0
Output Voltage (V)
STBY Voltage (V)
1.0
2.0
0.0
STBY=1.5→0
V
Fig 284.
V
IN Response
3.30
3.29
3.28
3.31
Out
p
ut Volta
g
e
(
V
)
Input Voltage (V)
5.3
6.3
4.3
V
IN=4.3
V
→5.3
V
→5.3V
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BUxxTD2WNVX series
Datasheet
z About power dissipation (Pd)
As for power dissipation, an approximate estimate of th e heat reduction characteristics and internal power consumption of
IC are shown, so please use these for reference. Since power dissipation changes substantially depending on the
implementation conditions (board size, board thickness, metal wiring rate, number of layers and through holes, etc.), it is
recommended to measure Pd on a set board. Exceeding the power dissipation of IC may lead to deterioration of the
original IC performance, such as causing operation of the thermal shutdown circuit or reduction in current capability.
Therefore, be sure to prepare sufficient margin within power dissipation for usage.
Calculation of the maximum internal power consumption of IC (PMAX)
PMAX=(VIN-VOUT)×IOUT(MAX.) (VIN: Input voltage VOUT: Output voltage IOUT(MAX): Maximum output current)
{ Measurement conditions
Standard ROHM Board Evaluation Board 1
Layout of Board for
Measurement
IC
Implementation
Position
Top Layer (Top View) Top Layer (Top View)
Bottom Layer (Top View) Bottom Layer (Top View)
Measurement State With board implemented (Wind speed 0 m/s) With board implement ed (Wind speed 0 m/s)
Board Material Glass epoxy resin (Double-side board) Glass epoxy re sin (Double-side board)
Board Size 70 mm x 70 mm x 1.6 mm 40 mm x 40 mm x 1.6 mm
Wiring
Rate
Top layer Metal (GND) wiring rate: Approx. 0% Metal (GND) wiring rate: Approx. 50%
Bottom
layer Metal (GND) wiring rate: Approx. 50% Metal (GND) wiring rate: Approx. 50%
Through Hole Diameter 0.5mm x 6 holes Diameter 0.5mm x 25 holes
Power Dissipation 0.56W 0.39W
Thermal Resistance θja=178.6°C/W θja=256.4°C/W
* Please design the margin so that
PMAX becomes is than Pd (PMAX<Pd)
within the usage temperature range
Fig. 285 SSON004X1010 Power dissipation heat reduction characteristics (Reference)
0
0.1
0.2
0.3
0.4
0.5
0.6
0 25 50 75 100 125
Ta [℃]
Pd [W]
0.56W
85
0.39W
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TSZ22111･15･001 39/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Operation Notes
1.) Absolute maximum ratings
Use of the IC in excess of absolute maximum ratings (such as the input voltage or operating temperature range) may result in
damage to the IC. Assumptions should not be made regarding the state of the IC (e.g., short mode or open mode) when such damage
is suffered. If operational values are expected to exceed the maximum ratings for the device, consider adding protective circuitry
(such as fuses) to eliminate the risk of damaging the IC.
2.) GND potential
The potential of the GND pin must be the minimum potential in the system in all operating conditions.
Never connect a potential lower than GND to any pin, even if only transiently.
3.) Thermal design
Use a thermal design that allows for a sufficient margin for that package power dissipation rating (Pd) under actual operating
conditions.
4.) Inter-pin shorts and mounting errors
Use caution when orienting and positioning the IC for mounting on printed circuit boards. Improper mounting or
shorts between pins may result in damage to the IC.
5.) Operation in strong electromagnetic fields
Strong electromagnetic fields may cause the IC to malfunction. Caution should be exercised in applications where strong
electromagnetic fields may be present.
6.) Common impedance
Wiring traces should be as short and wide as possible to minimize common impedance. Bypass capacitors should
be use to keep ripple to a minimum.
7.) Voltage of STBY pin
To enable standby mode for all channels, set the STBY pin to 0.3 V or less, and for normal operation, to 1.2 V or more. Setting
STBY to a voltage between 0.3 and 1.2 V may cause malfunction and should be avoided. Keep transition time between high and
low (or vice versa) to a minimum.
Additionally, if STBY is shorted to VIN, the IC will switch to standby mode and disable the output discharge circuit, causing
a temporary voltage to remain on the output pin. If the IC is switched on again while this voltage is present, overshoot may
occur on the output. Therefore, in applications where these pins are shorted, the output should always be completely discharged
before turning the IC on.
8.) Over-current protection circuit (OCP)
This IC features an integrated over-current and short-protection circuitry on the output to prevent destruction of the IC when
the output is shorted. The OCP circuitry is designed only to protect the IC from irregular conditions (such as motor output
shorts) and is not designed to be used as an active security device for the application. Therefore, applications should not
be designed under the assumption that this circuitry will engage.
9.) Thermal shutdown circuit (TSD)
This IC also features a thermal shutdown circuit that is designed to turn the output off when the junction temperature of the
IC exceeds about 150℃. This feature is intended to protect the IC only in the event of thermal overload and is not designed
to guarantee operation or act as an active security device for the application. Therefore, applications should not be designed
under the assumption that this circuitry will engage.
10.) Input/output capacitor
Capacitors must be connected between the input/output pins and GND for stable operation, and should be physically mounted as
close to the IC pins as possible. The input capacitor helps to counteract increases in power supply impedance, and increases
stability in applications with long or winding power supply traces. The output capacitance value is directly related to the
overall stability and transient response of the regulator, and should be set to the largest possible value for the application
to increase these characteristics. During design, keep in mind that in general, ceramic capacitors have a wide range of tolerances,
temperature coefficients and DC bias characteristics, and that their capacitance values tend to decrease over time. Confirm
these details before choosing appropriate capacitors for your application.(Please refer the technical note, regarding ceramic
capacitor of recommendation)
11.) About the equivalent series resistance (ESR) of a ceramic capacitor
Capacitors generally have ESR (equivalent series resistance)
and it operates stably in the ESR-IOUT area shown on the right.
Since ceramic capacitors, tantalum capacitors, electrolytic
capacitors, etc. generally have different ESR, please check
the ESR of the capacitor to be used and use it within the
stability area range shown in the right graph for evaluation
of the actual application.
Fig. 286 Stable region (example)
Unstable region
0.01
0.1
1
10
100
0 50 100 150 200
IO UT [mA]
ESR [ Ω]
ESR [Ω]
Cout=0.47μF, Cin=0.47μF, Temp=+25℃
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TSZ22111･15･001 40/40
14.Jan.2013.Rev.008
BUxxTD2WNVX series
Datasheet
●Revision History
Date Revision Changes
7.Feb.2013 001 New Release.
15.Mar.2013 002
Adding Reference data.
Adding a Revision History.
24.Apr.2013 003 Adding 1.3V product.
31.Jul.2013 004
Adding dropout voltage.
Delete ELECTRICAL CHARACTERISTICS of each Output Voltage.
VSBYH is changed.
21.Aug.2013 005 Adding dropout voltage.
28.Aug.2013 006 Ordering Information is changed.
24.Oct.2013 007
Adding Pin Descriptions.
Adding BOTTOM VIEW.
14.Jan.2014 008 Adding 1.1V product
Datasheet
Datasheet
Notice - GE Rev.002
© 2014 ROHM Co., Ltd. All rights reserved.
Notice
Precaution on using ROHM Products
1. Our Products are designed and manufactured for application in ordinary electronic equipments (such as AV equipment,
OA equipment, telecommunication equipment, home electronic appliances, amusement equipment, etc.). If you
intend to use our Products in devices requiring extremely high reliability (such as medical equipment (Note 1), transport
equipment, traffic equipment, aircraft/spacecraft, nuclear power controllers, fuel controllers, car equipment including car
accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or
serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance.
Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any
damages, expenses or losses incurred by you or third parties arising from the use of any ROHM’s Products for Specific
Applications.
(Note1) Medical Equipment Classification of the Specific Applications
JAPAN USA EU CHINA
CLASSⅢ CLASSⅢ CLASSⅡb CLASSⅢ
CLASSⅣ CLASSⅢ
2. ROHM designs and manufactures its Products subject to strict quality control system. However, semiconductor
products can fail or malfunction at a certain rate. Please be sure to implement, at your own responsibilities, adequate
safety measures including but not limited to fail-safe design against the physical injury, damage to any property, which
a failure or malfunction of our Products may cause. The following are examples of safety measures:
[a] Installation of protection circuits or other protective devices to improve system safety
[b] Installation of redundant circuits to reduce the impact of single or multiple circuit failure
3. Our Products are designed and manufactured for use under standard conditions and not under any special or
extraordinary environments or conditions, as exemplified below. Accordingly, ROHM shall not be in any way
responsible or liable for any damages, expenses or losses arising from the use of any ROHM’s Products under any
special or extraordinary environments or conditions. If you intend to use our Products under any special or
extraordinary environments or conditions (as exemplified below), your independent verification and confirmation of
product performance, reliability, etc, prior to use, must be necessary:
[a] Use of our Products in any types of liquid, including water, oils, chemicals, and organic solvents
[b] Use of our Products outdoors or in places where the Products are exposed to direct sunlight or dust
[c] Use of our Products in places where the Products are exposed to sea wind or corrosive gases, including Cl2,
H2S, NH3, SO2, and NO2
[d] Use of our Products in places where the Products are exposed to static electricity or electromagnetic waves
[e] Use of our Products in proximity to heat-producing components, plastic cords, or other flammable items
[f] Sealing or coating our Products with resin or other coating materials
[g] Use of our Products without cleaning residue of flux (even if you use no-clean type fluxes, cleaning residue of
flux is recommended); or Washing our Products by using water or water-soluble cleaning agents for cleaning
residue after soldering
[h] Use of the Products in places subject to dew condensation
4. The Products are not subject to radiation-proof design.
5. Please verify and confirm characteristics of the final or mounted products in using the Products.
6. In particular, if a transient load (a large amount of load applied in a short period of time, such as pulse. is applied,
confirmation of performance characteristics after on-board mounting is strongly recommended. Avoid applying power
exceeding normal rated power; exceeding the power rating under steady-state loading condition may negatively affect
product performance and reliability.
7. De-rate Power Dissipation (Pd) depending on Ambient temperature (Ta). When used in sealed area, confirm the actual
ambient temperature.
8. Confirm that operation temperature is within the specified range described in the product specification.
9. ROHM shall not be in any way responsible or liable for failure induced under deviant condition from what is defined in
this document.
Precaution for Mounting / Circuit board design
1. When a highly active halogenous (chlorine, bromine, etc.) flux is used, the residue of flux may negatively affect product
performance and reliability.
2. In principle, the reflow soldering method must be used; if flow soldering method is preferred, please consult with the
ROHM representative in advance.
For details, please refer to ROHM Mounting specification
Datasheet
Datasheet
Notice - GE Rev.002
© 2014 ROHM Co., Ltd. All rights reserved.
Precautions Regarding Application Examples and External Circuits
1. If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the
characteristics of the Products and external components, including transient characteristics, as well as static
characteristics.
2. You agree that application notes, reference designs, and associated data and information contained in this document
are presented only as guidance for Products use. Therefore, in case you use such information, you are solely
responsible for it and you must exercise your own independent verification and judgment in the use of such information
contained in this document. ROHM shall not be in any way responsible or liable for any damages, expenses or losses
incurred by you or third parties arising from the use of such information.
Precaution for Electrostatic
This Product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. Please take proper
caution in your manufacturing process and storage so that voltage exceeding the Products maximum rating will not be
applied to Products. Please take special care under dry condition (e.g. Grounding of human body / equipment / solder iron,
isolation from charged objects, setting of Ionizer, friction prevention and temperature / humidity control).
Precaution for Storage / Transportation
1. Product performance and soldered connections may deteriorate if the Products are stored in the places where:
[a] the Products are exposed to sea winds or corrosive gases, including Cl2, H2S, NH3, SO2, and NO2
[b] the temperature or humidity exceeds those recommended by ROHM
[c] the Products are exposed to direct sunshine or condensation
[d] the Products are exposed to high Electrostatic
2. Even under ROHM recommended storage condition, solderability of products out of recommended storage time period
may be degraded. It is strongly recommended to confirm solderability before using Products of which storage time is
exceeding the recommended storage time period.
3. Store / transport cartons in the correct direction, which is indicated on a carton with a symbol. Otherwise bent leads
may occur due to excessive stress applied when dropping of a carton.
4. Use Products within the specified time after opening a humidity barrier bag. Baking is required before using Products of
which storage time is exceeding the recommended storage time period.
Precaution for Product Label
QR code printed on ROHM Products label is for ROHM’s internal use only.
Precaution for Disposition
When disposing Products please dispose them properly using an authorized industry waste company.
Precaution for Foreign Exchange and Foreign Trade act
Since our Products might fall under controlled goods prescribed by the applicable foreign exchange and foreign trade act,
please consult with ROHM representative in case of export.
Precaution Regarding Intellectual Property Rights
1. All information and data including but not limited to application example contained in this document is for reference
only. ROHM does not warrant that foregoing information or data will not infringe any intellectual property rights or any
other rights of any third party regarding such information or data. ROHM shall not be in any way responsible or liable
for infringement of any intellectual property rights or other damages arising from use of such information or data.:
2. No license, expressly or implied, is granted hereby under any intellectual property rights or other rights of ROHM or any
third parties with respect to the information contained in this document.
Other Precaution
1. This document may not be reprinted or reproduced, in whole or in part, without prior written consent of ROHM.
2. The Products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written
consent of ROHM.
3. In no event shall you use in any way whatsoever the Products and the related technical information contained in the
Products or this document for any military purposes, including but not limited to, the development of mass-destruction
weapons.
4. The proper names of companies or products described in this document are trademarks or registered trademarks of
ROHM, its affiliated companies or third parties.
DatasheetDatasheet
Notice – WE Rev.001
© 2014 ROHM Co., Ltd. All rights reserved.
General Precaution
1. Before you use our Pro ducts, you are requested to care fully read this document and fully understand its contents.
ROHM shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny
ROHM’s Products against warning, caution or note contained in this document.
2. All information contained in this docume nt is current as of the issuing date and subj ect to change without any prior
notice. Before purchasing or using ROHM’s Products, please confirm the la test information with a ROHM sale s
representative.
3. The information contained in this doc ument is provi ded on an “as is” basis and ROHM does not warrant that all
information contained in this document is accurate an d/or error-free. ROHM shall not be in an y way responsible or
liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or
concerning such information.
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