1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. A7 Feb 10, 2004
1/11
Features
- 1.4V maximum dropout at full load current
- Fast transient response
- Output current limiting
- Built-in thermal shutdown
- Packages: SOT223, TO263, TO252, TO220,
SOT89
- Good noise rejection
- 3-Terminal Adjustable or Fixed 1.5V, 1.8V, 2.5V,
3.3V, 5.0V
Applications
- PC peripheral
- Communication
General Description
AP1117 is a low dropout positive adjustable or
fixed-mode regulator with minimum of 1A output
current capability. The product is specifically
designed to provide well-regulated supply for low
voltage IC applications such as high-speed bus
termination and low current 3.3V logic supply.
AP1117 is also well suited for other applications
such as VGA cards. AP1117 is guaranteed to have
lower than 1.4V dropout at full load current making
it ideal to provide well-regulated outputs of 1.25 to
5.0 with 6.4V to 12V input supply.
Ordering Information
AP 1117 XXX X X
Low Dropout Regulator
Package Vout
E : SOT223-3L
K : TO263-3L
D : TO252-3L
T : TO220-3L
Y : SOT89-3L
Blank : ADJ
15 : 1.5V
18 : 1.8V
25 : 2.5V
33 : 3.3V
50 : 5.0V
Packing
Blank : Tube
A : Taping
Lead Free
Blank : Normal
L : Lead Free Package
Typical Circuit
C2
100uF
5V
3.3V/1A
Tab is Vout
Vin
Vout
GND
C1
100uF
( 5V/3.3V fixed output )
R1
121
Ω
R2
121
Ω
C2
100uF
5V
2.5V/1A
Tab is Vout
Vin
Vout
Adj
C1
100uF
o
V
( 5V/2.5V ADJ output )
)
1
2
REFoR
R
(1 VV +∗=
Note:
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
2/11
Connection Diagram
3 PIN SOT223 3 PIN TO252 / TO263
3 PIN TO220
Vin
Vout
Adj (GND)
Tab is Vout
( Top View )
3
2
1
Vin
Vout
Adj (GND)
Tab is Vout
Tab is Vout
Vin
Vout
Adj (GND)
( Top View )
3 PIN SOT89
Adj (GND)
Vout
Vin
3
2
1
1
3
2
Tab is Vout
3
2
1
Block Diagram
3
Thermal
Shutdown 1
2Vout
Adj
1.25V +
+
CURRENT
LIMIT
Vin
-
+-
+
1`
GND
(FIXED)
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
3/11
Pin Descriptions
NAME I/O PIN # FUNCTION
Adj (GND) I 1 A resistor divider from this pin to the Vout pin and ground sets the
output voltage. (Ground only for Fixed-Mode)
Vout O 2 The output of the regulator. A minimum of 10uF capacitor must be
connected from this pin to ground to insure stability.
Vin I 3
The input pin of regulator. Typically a large storage capacitor is
connected from this pin to ground to insure that the input voltage
does not sag below the minimum dropout voltage during the load
transient response. This pin must always be 1.3V higher than
Vout in order for the device to regulate properly.
Absolute Maximum Ratings
Symbol Parameter Rating Unit
Vin DC Supply Voltage -0.3 to 12 V
PD Power Dissipation Internally Limited
TST Storage Temperature -65 to +150 oC
TOP Operating Junction Temperature Range 0 to +150 oC
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
4/11
Electrical Characteristics (Under Operating Conditions)
PARAMETER CONDITIONS MIN TYP MAX UNIT
Reference Voltage AP1117-ADJ TJ=25oC,(VIN-OUT)=1.5V
IO=10mA 1.225 1.250 1.275 V
AP1117-1.5 IOUT = 10mA, TJ = 25oC,
3V≦VIN≦12V 1.470 1.500 1.530 V
AP1117-1.8 IOUT = 10mA, TJ = 25oC,
3.3V≦VIN≦12V 1.764 1.800 1.836 V
AP1117-2.5 IOUT = 10mA, TJ = 25oC,
4V≦VIN≦12V 2.450 2.500 2.550 V
AP1117-3.3 IOUT = 10mA, TJ = 25oC,
4.8V≦VIN≦12V 3.235 3.300 3.365 V
Output Voltage
AP1117-5.0 IOUT = 10mA, TJ = 25oC,
6.5V≦VIN≦12V 4.900 5.000 5.100 V
Line Regulation AP1117-XXX IO=10mA,VOUT+1.5V<VIN<12V,
TJ=25oC 0.2 %
AP1117-ADJ VIN=3.3V,Vadj=0,0mA<Io<1A,
TJ=25oC (Note 1,2) 1 %
AP1117-1.5 VIN=3V, 0mA<Io<1A,
TJ=25oC (Note 1,2) 12 15 mV
AP1117-1.8 VIN=3.3V, 0mA<Io<1A,
TJ=25oC (Note 1,2) 15 18 mV
AP1117-2.5 VIN=4V, 0mA<Io<1A,
TJ=25oC (Note 1,2) 20 25 mV
AP1117-3.3 VIN = 5V, 0≦IOUT≦1A,
TJ=25oC (Note 1,2) 26 33 mV
Load Regulation
AP1117-5.0 VIN = 8V, 0≦IOUT≦1A,
TJ=25oC (Note 1,2) 40 50 mV
Dropout Voltage
(VIN-VOUT)
AP1117-ADJ/1.5/1.8
2.5/3.3/5.0 IOUT = 1A ,∆VOUT=0.1%VOUT 1.3 1.4 V
Current Limit AP1117-ADJ/1.5/1.8
2.5/3.3/5.0 (VIN-VOUT) = 5V 1. 1 A
Minimum Load Current AP1117-XXX 0oC≦Tj≦125oC 5 10 mA
Thermal Regulation TA=25℃, 30ms pulse 0.008 0.04 %/W
F=120Hz,COUT=25uF Tantalum, IOUT=1A
Ripple Rejection AP1117-XXX VIN=VOUT+3V 60 70 dB
Temperature Stability IO=10mA 0.5 %
JA
θ
Thermal Resistance
Junction-to-Ambient(No
heat sink ;No air flow)
SOT89
SOT-223
TO-252
TO-220/263
300
117
92
85
OC/W
JC
θ
Thermal Resistance
Junction-to-Case
SOT89 : Control Circuitry/Power Transistor
SOT-223 : Control Circuitry/Power Transistor
TO-263 : Control Circuitry/Power Transistor
TO-252 : Control Circuitry/Power Transistor
TO-220 : Control Circuitry/Power Transistor
100
15
0.65/2.7
10
0.65/2.7
OC/W
Note1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant
junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18” from the package.
Note2: Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the difference between
input and output differential and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range.
Note3: Quiescent current is defined as the minimum output current required in maintaining regulation. At 12V input/output differential the
device is guaranteed to regulate if the output current is greater than 10mA.
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
5/11
Typical Performance Characteristics
Temperature (
o
C)
Percent Change in Output Voltage vs Temperature
Output Voltage Change (%)
-50 -25 0 25 50 75 100 125 150
- 2
-1.5
- 1
-0.5
0
0. 5
1
1.5
2
Input Voltage (V)
Line Regulation
Output Voltage Deviation (%)
0
0.2
0.4
0.6
0.8
1
24
6 8 10 12
TIME (us)
Line Transient Response
Output Voltage Deviation (mV) Input Voltage (V)
-40
-20
0
20
40
5.5
6.5
7.5
Cin=1uF
Cout=10uF Tantalum
0 20 40 60 80 100 120 140 160 180 200
TIME (us)
Load Transient Response
Load Current (A) Output Voltage Deviation (mV)
010
20 30 40 50 60 70 80 90 100
-1
0
1
2
-20
-10
0
10
20
30 C in = 1uF
C out = 10 uF Tantalum
Preload = 100mA
Temperature (
o
C)
Load Regulation vs Temperature
Output Voltage Deviation (%)
-25 0 25 50 75 100 125
- 1
-0.80
-0.40
-0.20
0
0.20
I load=800mA
Output Current (mA)
Dropout Voltage vs Output Current
Dropout Voltage (V)
0
0. 2
0. 4
0. 6
0. 8
1. 0
1. 2
1. 4
1. 6
1. 8
2. 0
0200 400 600 800
Tj = 125
o
C
Tj = 25
o
C
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
6/11
Marking Information
(1) SOT223-3L
A C X X X
1 1 1 7 X
Output Type:
1117 : ADJ
17-15: 1.5V
17-18: 1.8V
17-25: 2.5V
17-33: 3.3V
17-50: 5.0V
Logo
ID Code
Month: A~L = 01~12
Year:
(Top view)
"2" = 2002
"1" = 2001
~
Blank: normal
L: Lead Free Package
(2) TO252-3L
AC
1 7- 33
Output Type:
1117: Adjustable
17-15: 1.5V
17-18: 1.8V
17-25: 2.5V
17-33: 3.3V
17-50: 5.0V
Logo
ID Code
Xth Week: 01~52
Year:
(Top view)
"02" = 2002
"01" = 2001
X X X X X X
~
Blank: normal
L: Lead Free Package
(3) TO220-3L
AC
1117-33
Output Type:
1117: ADJ
1117-15: 1.5V
1117-18: 1.8V
1117-25: 2.5V
1117-33: 3.3V
1117-50: 5.0V
Logo
ID code
Year:
( Top view )
"02" = 2002
"01" = 2001
XX XX X X
Xth week: 01~52
~
Blank: normal
L: Lead Free Package
(5) TO263-3L
AC
1117-33
Output Type:
1117: ADJ
1117-15: 1.5V
1117-18: 1.8V
1117-25: 2.5V
1117-33: 3.3V
1117-50: 5.0V
Logo
ID code
Year:
( Top view )
"02" = 2002
"01" = 2001
XX XX X X
Xth week: 01~52
~
Blank: normal
L: Lead Free Package
(4) SOT89-3L
13
2
Date Code
Month: A~L
Year: 0~9
Identification Code
( See the table )
XX
XX X
Blank: normal
L: Lead Free Package
Identification
code Output version
DA AP1117-ADJ
DB AP1117-1.5V
DC AP1117-1.8V
DD AP1117-2.5V
DE AP1117-3.3V
DF AP1117-5.0V
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
7/11
Package Dimension
(1) SOT223
A
c
L
A1
α
HE
K
Seating Plane
D
B1
e
e1
β
β
B
Dimensions In Millimeters Dimensions In Inches
Symbol Min. Nom. Max. Min. Nom. Max.
A 1.50 1.65 1.80 0.059 0.065 0.071
A1 0.02 0.05 0.08 0.001 0.002 0.003
B 0.60 0.70 0.80 0.024 0.028 0.031
B1 2.90 - 3.15(Ref.) 0.114 - 0.124(Ref.)
c 0.28 0.30 0.32 0.011 0.012 0.013
D 6.30 6.50 6.70 0.248 0.256 0.264
E 3.30 3.50 3.70 0.130 0.138 0.146
e 2.3 Basic 0.091 Basic
e1 4.6 Basic 0.181 Basic
H 6.70 7.00 7.30 0.264 0.276 0.287
L 0.91 1.00 1.10 0.036 0.039 0.043
K 1.50 1.75 2.00 0.059 0.069 0.079
α 0° 5o 10° 0° 5o 10°
β - 13o - - 13o -
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
8/11
(2) TO263
E
e
A
L2
C2
C
L1
b
b2
D
L3
L
Dimensions In Millimeters Dimensions In Inches
Symbol Min. Nom. Max. Min. Nom. Max.
A 4.06 4.45 4.83 0.160 0.175 0.190
b 0.51 0.75 0.99 0.020 0.030 0.039
b2 1.14 1.27 1.40 0.045 0.050 0.055
C 0.38 TYP. 0.015 TYP.
C2 1.14 1.27 1.40 0.045 0.050 0.055
D 8.65 9.15 9.65
0.341 0.360 0.380
E 9.65 9.97 10.29 0.380 0.393 0.405
e 2.54 BSC. 0.100 BSC.
L 14.61 15.24 15.88 0.575 0.600 0.625
L1 2.28 2.54 2.80
0.090 0.100 0.110
L2 - 1.30 2.92 - 0.051 0.115
L3 1.27 1.52 1.78 0.050 0.060 0.070
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
9/11
(3) TO252
b2
E
e
b
L2
e1
DL1
A
C1
C
A1
H
SEATING PLANE
SEE NOTE2
L
Notes:
1. JEDEC Outline: TO-252 AB
2. Mils suggested for positive contact at mounting.
Dimensions In Millimeters Dimensions In Inches
Symbol Min. Nom. Max. Min. Nom. Max.
A 2.18 2.29 2.39 0.086 0.090 0.094
A1 1.02 1.15 1.27 0.040 0.045 0.050
b 0.61 TYP. 0.024 TYP.
b2 5.20 5.35 5.50 0.205 0.211 0.217
C 0.46 0.52 0.58 0.018 0.020 0.023
C1 0.46 0.52 0.58 0.018 0.020 0.023
D 5.33 5.57 5.80 0.210 0.219 0.228
E 6.35 6.58 6.80 0.250 0.259 0.268
e 2.25 BSC. 0.089 BSC.
e1 4.50 BSC. 0.177 BSC.
H 9.00 9.70 10.40 0.354 0.382 0.409
L 0.51 - - 0.020 - -
L1 0.64 0.83 1.02 0.025 0.033 0.040
L2 1.52 1.78 2.03 0.060 0.070 0.080
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
10/11
(4) TO220
A
J1
F
C
SEATING PLANE
D
Q
E
L1
L
b
e
e1
b1
Φ
P
H1
Dimensions In Millimeters Dimensions In Inches
Symbol Min. Nom. Max. Min. Nom. Max.
A 3.55 4.20 4.85 0.140 0.165 0.191
b1 1.14 1.46 1.78 0.045 0.057 0.070
b 0.51 0.83 1.14 0.020 0.033 0.045
C 0.31 0.72 1.14 0.012 0.028 0.045
D 14.20 15.35 16.50 0.559 0.604 0.650
E 9.70 10.20 10.70 0.382 0.402 0.421
e 2.29 2.54 2.79 0.090 0.100 0.110
e1 4.83 5.08 5.33 0.190 0.200 0.210
F 0.51 0.95 1.40 0.020 0.037 0.055
H1 5.84 6.35 6.86 0.230 0.250 0.270
J1 2.03 2.48 2.92 0.080 0.098 0.115
L 12.72 13.72 14.72 0.501 0.540 0.580
L1 3.66 5.00 6.35 0.144 0.197 0.250
øP 3.53 3.81 4.09 0.139 0.150 0.161
Q 2.54 2.98 3.43 0.100 0.117 0.135
1A Low Dropout Positive Adjustable or Fixed-Mode Regulator
AP1117
Anachip Corp.
www.anachip.com.tw Rev. A7 Feb 10, 2004
11/11
(5) SOT89
c
5
0
(2x)
L
HE
E
D1
e1
e
A
D
b1
bb
8
0
(2x)
Dimensions In Millimeters Dimensions In Inches
Symbol Min. Nom. Max. Min. Nom. Max.
A 1.40 1.50 1.60 0.055 0.059 0.063
B 0.36 0.42 0.48 0.014 0.016 0.018
b1 0.41 0.47 0.53 0.016 0.043 0.051
C 0.35 0.39 0.43 0.014 0.015 0.017
D 4.40 4.50 4.60 0.173 0.177 0.181
D1 1.40 1.60 1.75 0.055 0.062 0.069
e 2.90 3.00 3.10 0.114 0.118 0.122
e1 1.45 1.50 1.55 0.057 0.059 0.061
E 2.40 2.50 2.60 0.094 0.098 0.102
HE 3.94 - 4.25 0.155 - 0.167
L 0.80 - 1.20 0.031 - 0.047
