1/29January 2004
■VERY LOW DROPOUT VOLTAGE (0.4V)
■VERY LOW QUIESCENT CURRENT
(TYP. 50 µA IN OFF MODE, 600µA IN ON
MODE)
■OUTPUT CURRENT UP TO 250 mA
■LOGIC-CONTROLLED ELECTRONIC
SHUTDOWN
■OUTPUT VOLTAGES OF 1.25; 1.5; 2.5; 2.7;
3; 3.3; 3.5; 4; 4.5; 4.7; 5; 5.2; 5.5; 6; 8; 12V
■INTERNAL CURRENT AND THERMAL LIMIT
■ONLY 2.2µF FOR STABILITY
■AVAILABLE IN ± 1% (AB) OR 2% (C)
SELECTION AT 25°C
■SUPPLY VOLTAGE REJECTION: 70db TYP.
FOR 5V VERSION
■TEMPERATURE RANGE: -40 TO 125°C
DESCRIPTION
The L4931 series are very Low Drop regulators
available in TO-220, SO-8, DPAK, PPAK and
TO-92 packages and in a wide range of output
voltages.
The very Low Drop voltage (0.4V) and the very
low quiescent current make them particularly
suitable for Low Noise, Low Power applications
and specially in battery powered systems.
In PPAK and SO-8 packages a Shutdown Logic
Control function is available TTL compatible. This
means that when the device is used as a local
regulator, it is possible to put a part of the board in
standby, decreasing the total power consumption.
It requires only a 2.2 µF capacitor for stability
allowing space and cost saving.
L4931
SERIES
VERY LOW DROP
VOLTAGE REGULATORS WITH INHIBIT
SCHEMATIC DIAGRAM
TO-220
SO-8
TO-92
DPAKPPAK
L4931 SERIES
2/29
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
THERMAL DATA
(*) Considering 6 cm2of copper board heat-sink
CONNECTION DIAGRAM (top view)
Symbol Parameter Value Unit
VIDC Input Voltage 20 V
IOOutput Current Internally Limited
Ptot Power Dissipation Internally Limited
Tstg Storage Temperature Range -40 to 150 °C
Top Operating Junction Temperature Range -40 to 125 °C
Symbol Parameter TO-220 SO-8 DPAK PPAK TO-92 Unit
Rthj-case Thermal Resistance Junction-case 3208 8 °C/W
Rthj-amb Thermal Resistance Junction-ambient 50 55(*) 100 100 200 °C/W
TO-220 SO-8
DPAK
PIN 1 = VOUT
PIN 2 = GND
PIN 3 = VIN
PPAK
BOTTOM VIEW
TO-92
L4931 SERIES
3/29
ORDERING CODES
(*) Available on request.
TO-220 SO-8 PPAK DPAK TO-92 OUTPUT
VOLTAGE
L4931CV12 (*) L4931CD12 (*) L4931CPT12 (*) L4931CDT12 (*) L4931CZ12 (*) 1.25 V
L4931ABV12 (*) L4931ABD12 (*) L4931ABPT12 (*) L4931ABDT12 (*) L4931ABZ12 (*) 1.25 V
L4931CV15 (*) L4931CD15 (*) L4931CPT15 (*) L4931CDT15 (*) L4931CZ15 (*) 1.5 V
L4931ABV15 (*) L4931ABD15 (*) L4931ABPT15 (*) L4931ABDT15 (*) L4931ABZ15 (*) 1.5 V
L4931CV25 (*) L4931CD25 L4931CPT25 (*) L4931CDT25 L4931CZ25 (*) 2.5 V
L4931ABV25 (*) L4931ABD25 L4931ABPT25 (*) L4931ABDT25 L4931ABZ25 (*) 2.5 V
L4931CV27 L4931CD27 L4931CPT27 L4931CDT27 L4931CZ27 2.7 V
L4931ABV27 L4931ABD27 L4931ABPT27 L4931ABDT27 L4931ABZ27 2.7 V
L4931CV30 L4931CD30 L4931CPT30 L4931CDT30 L4931CZ30 3 V
L4931ABV30 L4931ABD30 L4931ABPT30 L4931ABDT30 L4931ABZ30 3 V
L4931CV33 L4931CD33 L4931CPT33 L4931CDT33 L4931CZ33 3.3 V
L4931ABV33 L4931ABD33 L4931ABPT33 L4931ABDT33 L4931ABZ33 3.3 V
L4931CV35 L4931CD35 L4931CPT35 L4931CDT35 L4931CZ35 3.5 V
L4931ABV35 L4931ABD35 L4931ABPT35 L4931ABDT35 L4931ABZ35 3.5 V
L4931CV40 L4931CD40 L4931CPT40 L4931CDT40 L4931CZ40 4 V
L4931ABV40 L4931ABD40 L4931ABPT40 L4931ABDT40 L4931ABZ40 4 V
L4931CV45 (*) L4931CD45 (*) L4931CPT45 (*) L4931CDT45 (*) L4931CZ45 (*) 4.5 V
L4931ABV45 (*) L4931ABD45 (*) L4931ABPT45 (*) L4931ABDT45 (*) L4931ABZ45 (*) 4.5 V
L4931CV47 L4931CD47 L4931CPT47 L4931CDT47 L4931CZ47 4.75 V
L4931ABV47 L4931ABD47 L4931ABPT47 L4931ABDT47 L4931ABZ47 4.75 V
L4931CV50 L4931CD50 L4931CPT50 L4931CDT50 L4931CZ50 5 V
L4931ABV50 L4931ABD50 L4931ABPT50 L4931ABDT50 L4931ABZ50 5 V
L4931CV52 (*) L4931CD52 (*) L4931CPT52 (*) L4931CDT52 (*) L4931CZ52 (*) 5.2 V
L4931ABV52 (*) L4931ABD52 (*) L4931ABPT52 (*) L4931ABDT52 (*) L4931ABZ52 (*) 5.2 V
L4931CV55 (*) L4931CD55 (*) L4931CPT55 (*) L4931CDT55 (*) L4931CZ55 (*) 5.5 V
L4931ABV55 (*) L4931ABD55 (*) L4931ABPT55 (*) L4931ABDT55 (*) L4931ABZ55 (*) 5.5 V
L4931CV60 L4931CD60 L4931CPT60 L4931CDT60 L4931CZ60 6 V
L4931ABV60 L4931ABD60 L4931ABPT60 L4931ABDT60 L4931ABZ60 6 V
L4931CV80 L4931CD80 L4931CPT80 L4931CDT80 L4931CZ80 8 V
L4931ABV80 L4931ABD80 L4931ABPT80 L4931ABDT80 L4931ABZ80 8 V
L4931CV120 L4931CD120 L4931CPT120 L4931CDT120 L4931CZ120 12 V
L4931ABV120 L4931ABD120 L4931ABPT120 L4931ABDT120 L4931ABZ120 12 V
L4931 SERIES
4/29
TEST CIRCUITS
ELECTRICAL CHARACTERISTICS OF L4931ABxx12 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 3.3 V 1.238 1.25 1.263 V
IO=5mA V
I=3.3V T
A=-25 to 85°C 1.225 1.275
VIOperating Input Voltage IO= 250 mA 2.5 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 2.5 to 20 V IO=0.5mA 3 15 mV
∆VO(*) Load Regulation VI=2.7V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 2.7 to 20 V IO=0mA 0.61mA
VI= 2.7 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=3.7±1V f = 120 Hz 80 dB
f=1KHz 77
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 1.25 V
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
5/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx12 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx15 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 3.3 V 1.225 1.25 1.275 V
IO=5mA V
I=3.3V T
A=-25 to 85°C 1.2 1.3
VIOperating Input Voltage IO= 250 mA 2.5 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 2.5 to 20 V IO=0.5mA 3 18 mV
∆VO(*) Load Regulation VI=2.7V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 2.7 to 20 V IO=0mA 0.61mA
VI= 2.7 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=3.7±1V f = 120 Hz 80 dB
f=1KHz 77
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 1.25 V
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 3.5 V 1.485 1.5 1.515 V
IO=5mA V
I=3.5V T
A=-25 to 85°C 1.47 1.53
VIOperating Input Voltage IO= 250 mA 2.5 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 2.5 to 20 V IO=0.5mA 3 15 mV
∆VO(*) Load Regulation VI=2.7V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 2.7 to 20 V IO=0mA 0.61mA
VI= 2.7 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=3.7±1V f = 120 Hz 79 dB
f=1KHz 76
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 1 V
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
6/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx15 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx25 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 3.5 V 1.47 1.5 1.53 V
IO=5mA V
I=3.5V T
A=-25 to 85°C 1.44 1.56
VIOperating Input Voltage IO= 250 mA 2.5 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 2.5 to 20 V IO=0.5mA 3 18 mV
∆VO(*) Load Regulation VI=2.7V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 2.7 to 20 V IO=0mA 0.61mA
VI= 2.7 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=3.7±1V f = 120 Hz 79 dB
f=1KHz 76
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 1 V
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 4.5 V 2.475 2.5 2.525 V
IO=5mA V
I=4.5V T
A=-25 to 85°C 2.45 2.55
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 3.2 to 20 V IO=0.5mA 3 15 mV
∆VO(*) Load Regulation VI=3.4V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 3.4 to 20 V IO=0mA 0.61mA
VI= 3.4 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=4.4±1V f = 120 Hz 75 dB
f=1KHz 72
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
7/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx25 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx27 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 4.5 V 2.45 2.5 2.55 V
IO=5mA V
I=4.5V T
A=-25 to 85°C 2.4 2.6
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 3.3 to 20 V IO=0.5mA 3 18 mV
∆VO(*) Load Regulation VI=3.5V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 3.5 to 20 V IO=0mA 0.61mA
VI= 3.5 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=4.4±1V f = 120 Hz 75 dB
f=1KHz 72
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 4.7 V 2.673 2.7 2.727 V
IO=5mA V
I=4.7V T
A=-25 to 85°C 2.646 2.754
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 3.4 to 20 V IO=0.5mA 3 15 mV
∆VO(*) Load Regulation VI=3.6V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 3.6 to 20 V IO=0mA 0.61mA
VI= 3.6 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=4.6±1V f = 120 Hz 74 dB
f=1KHz 71
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
8/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx27 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified). .
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx30 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 4.7 V 2.646 2.7 2.754 V
IO=5mA V
I=4.7V T
A=-25 to 85°C 2.592 2.808
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 3.4 to 20 V IO=0.5mA 3 18 mV
∆VO(*) Load Regulation VI=3.6V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 3.6 to 20 V IO=0mA 0.61mA
VI= 3.6 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=4.6±1V f = 120 Hz 74 dB
f=1KHz 71
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=5V 2.97 3 3.03 V
IO=5mA V
I=5V T
A=-25 to 85°C 2.94 3.06
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 3.7 to 20 V IO=0.5mA 3 15 mV
∆VO(*) Load Regulation VI=3.9V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 3.9 to 20 V IO=0mA 0.61mA
VI= 3.9 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=4.9±1V f = 120 Hz 74 dB
f=1KHz 71
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
9/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx30 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx33 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=5V 2.94 3 3.06 V
IO=5mA V
I=5V T
A=-25 to 85°C 2.88 3.12
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 3.8 to 20 V IO=0.5mA 3 18 mV
∆VO(*) Load Regulation VI=4V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI=4to20V I
O=0mA 0.61mA
VI=4to20V I
O= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=5±1V f = 120 Hz 74 dB
f=1KHz 71
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 5.3 V 3.267 3.3 3.333 V
IO=5mA V
I=5.3V T
A=-25 to 85°C 3.234 3.366
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI=4to20V I
O=0.5mA 3 15 mV
∆VO(*) Load Regulation VI=4.2V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 4.2 to 20 V IO=0mA 0.61mA
VI= 4.2 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=5.2±1V f = 120 Hz 73 dB
f=1KHz 70
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
10/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx33 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx35 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 5.3 V 3.234 3.3 3.366 V
IO=5mA V
I=5.3V T
A=-25 to 85°C 3.168 3.432
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 4.1 to 20 V IO=0.5mA 3 18 mV
∆VO(*) Load Regulation VI=4.3V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 4.3 to 20 V IO=0mA 0.61mA
VI= 4.3 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=5.3±1V f = 120 Hz 73 dB
f=1KHz 70
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 5.5 V 3.465 3.5 3.535 V
IO=5mA V
I=5.5V T
A=-25 to 85°C 3.43 3.57
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 4.2 to 20 V IO=0.5mA 3 15 mV
∆VO(*) Load Regulation VI=4.4V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 4.4 to 20 V IO=0mA 0.61mA
VI= 4.4 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=5.4±1V f = 120 Hz 73 dB
f=1KHz 70
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
11/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx35 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx40 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 5.5 V 3.43 3.5 3.57 V
IO=5mA V
I=5.5V T
A=-25 to 85°C 3.36 3.64
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 4.3 to 20 V IO=0.5mA 3 18 mV
∆VO(*) Load Regulation VI=4.5V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 4.5 to 20 V IO=0mA 0.61mA
VI= 4.5 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=5.5±1V f = 120 Hz 73 dB
f=1KHz 70
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=6V 3.96 4 4.04 V
IO=5mA V
I=6V T
A=-25 to 85°C 3.92 4.08
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 4.7 to 20 V IO= 0.5 mA 3.5 17.5 mV
∆VO(*) Load Regulation VI=4.9V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 4.9 to 20 V IO=0mA 0.61mA
VI= 4.9 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=5.9±1V f = 120 Hz 72 dB
f=1KHz 69
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
12/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx40 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx45 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=6V 3.92 4 4.08 V
IO=5mA V
I=6V T
A=-25 to 85°C 3.84 4.16
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 4.8 to 20 V IO=0.5mA 3.521mV
∆VO(*) Load Regulation VI=5V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI=5to20V I
O=0mA 0.61mA
VI=5to20V I
O= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=6±1V f = 120 Hz 72 dB
f=1KHz 69
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 6.5 V 4.455 4.5 4.545 V
IO=5mA V
I=6.5V T
A=-25 to 85°C 4.41 4.59
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 5.2 to 20 V IO= 0.5 mA 3.5 17.5 mV
∆VO(*) Load Regulation VI=5.4V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 5.4 to 20 V IO=0mA 0.61mA
VI= 5.4 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=6.4±1V f = 120 Hz 71 dB
f=1KHz 68
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
13/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx45 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx47 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 6.5 V 4.41 4.5 4.59 V
IO=5mA V
I=6.5V T
A=-25 to 85°C 4.32 4.68
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 5.3 to 20 V IO=0.5mA 3.521mV
∆VO(*) Load Regulation VI=5.5V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 5.5 to 20 V IO=0mA 0.61mA
VI= 5.5 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=6.5±1V f = 120 Hz 71 dB
f=1KHz 68
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 6.7 V 4.653 4.7 4.747 V
IO=5mA V
I=6.7V T
A=-25 to 85°C 4.606 4.794
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 5.4 to 20 V IO= 0.5 mA 3.5 17.5 mV
∆VO(*) Load Regulation VI=5.6V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 5.6 to 20 V IO=0mA 0.61mA
VI= 5.6 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=6.6±1V f = 120 Hz 71 dB
f=1KHz 68
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
14/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx47 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx50 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 6.7 V 4.606 4.7 4.794 V
IO=5mA V
I=6.7V T
A=-25 to 85°C 4.512 4.888
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 5.5 to 20 V IO=0.5mA 3.521mV
∆VO(*) Load Regulation VI=5.7V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 5.7 to 20 V IO=0mA 0.61mA
VI= 5.7 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=6.7±1V f = 120 Hz 71 dB
f=1KHz 68
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=7V 4.95 5 5.05 V
IO=5mA V
I=7V T
A=-25 to 85°C 4.9 5.1
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 5.8 to 20 V IO= 0.5 mA 3.5 17.5 mV
∆VO(*) Load Regulation VI=6V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI=6to20V I
O=0mA 0.61mA
VI=6to20V I
O= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=7±1V f = 120 Hz 70 dB
f=1KHz 67
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
15/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx50 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx52 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 7 V 4.9 5 5.1 V
IO=5mA V
I=7V T
A=-25 to 85°C 4.8 5.2
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 5.8 to 20 V IO= 0.5 mA 3.5 17.5 mV
∆VO(*) Load Regulation VI=6V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI=6to20V I
O=0mA 0.61mA
VI=6to20V I
O= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=7±1V f = 120 Hz 70 dB
f=1KHz 67
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 7.2 V 5.148 5.2 5.252 V
IO=5mA V
I=7.2V T
A=-25 to 85°C 5.096 5.304
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI=6to20V I
O= 0.5 mA 3.5 17.5 mV
∆VO(*) Load Regulation VI=6.2V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 6.2 to 20 V IO=0mA 0.61mA
VI= 6.2 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=7.2±1V f = 120 Hz 70 dB
f=1KHz 67
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
16/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx52 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx55 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 7.2 V 5.096 5.2 5.304 V
IO=5mA V
I=7.2V T
A=-25 to 85°C 4.992 5.408
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI=6to20V I
O=0.5mA 3.521mV
∆VO(*) Load Regulation VI=6.2V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 6.2 to 20 V IO=0mA 0.61mA
VI= 6.2 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=7.2±1V f = 120 Hz 70 dB
f=1KHz 67
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 7.5 V 5.445 5.5 5.555 V
IO=5mA V
I=7.5V T
A=-25 to 85°C 5.39 5.61
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 6.3 to 20 V IO= 0.5 mA 3.5 17.5 mV
∆VO(*) Load Regulation VI=6.5V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI= 6.5 to 20 V IO=0mA 0.61mA
VI= 6.5 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=7.5±1V f = 120 Hz 70 dB
f=1KHz 67
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
17/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx55 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx60 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 7.5 V 5.39 5.5 5.61 V
IO=5mA V
I=7.5V T
A=-25 to 85°C 5.28 5.72
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 6.3 to 20 V IO=0.5mA 3.521mV
∆VO(*) Load Regulation VI=6.5V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 6.5 to 20 V IO=0mA 0.61mA
VI= 6.5 to 20 V IO= 250 mA 4 6
OFF MODE VI=6V 50 100 µA
SVR Supply Voltage Rejection IO=5mA
VI=7.5±1V f = 120 Hz 70 dB
f=1KHz 67
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=8V 5.94 6 6.06 V
IO=5mA V
I=8V T
A=-25 to 85°C 5.88 6.12
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 6.8 to 20 V IO=0.5mA 4 20 mV
∆VO(*) Load Regulation VI=7V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI=7to20V I
O= 0 mA 0.8 1.6 mA
VI=7to20V I
O= 250 mA 4.5 7
OFF MODE VI=6V 70 140 µA
SVR Supply Voltage Rejection IO=5mA
VI=8±1V f = 120 Hz 69 dB
f=1KHz 66
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
18/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx60 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx80 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=8V 5.88 6 6.12 V
IO=5mA V
I=8V T
A=-25 to 85°C 5.76 6.24
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 6.8 to 20 V IO=0.5mA 4 24 mV
∆VO(*) Load Regulation VI=7V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI=7to20V I
O= 0 mA 0.8 1.6 mA
VI=7to20V I
O= 250 mA 4.5 7
OFF MODE VI=6V 70 140 µA
SVR Supply Voltage Rejection IO=5mA
VI=8±1V f = 120 Hz 69 dB
f=1KHz 66
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=10V 7.92 8 8.08 V
IO=5mA V
I=10V T
A=-25 to 85°C 7.84 8.16
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 8.8 to 20 V IO=0.5mA 4 20 mV
∆VO(*) Load Regulation VI=9V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI=9to20V I
O= 0 mA 0.8 1.6 mA
VI=9to20V I
O= 250 mA 4.5 7
OFF MODE VI=6V 70 140 µA
SVR Supply Voltage Rejection IO=5mA
VI=10±1V f = 120 Hz 67 dB
f=1KHz 64
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
19/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx80 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
ELECTRICAL CHARACTERISTICS OF L4931ABxx120 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I=10V 7.84 8 8.16 V
IO=5mA V
I=10V T
A=-25 to 85°C 7.68 8.32
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI= 8.9 to 20 V IO=0.5mA 4 24 mV
∆VO(*) Load Regulation VI=9.1V I
O= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI= 9.1 to 20 V IO= 0 mA 0.8 1.6 mA
VI= 9.1 to 20 V IO= 250 mA 4.5 7
OFF MODE VI=6V 70 140 µA
SVR Supply Voltage Rejection IO=5mA
VI= 10.1 ± 1 V f = 120 Hz 67 dB
f=1KHz 64
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 14 V 11.88 12 12.12 V
IO=5mA V
I=14V T
A=-25 to 85°C 11.76 12.24
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI=12.8to20V I
O=0.5mA 4 20 mV
∆VO(*) Load Regulation VI=13V I
O= 0.5 to 250 mA 3 15 mV
IdQuiescent Current
ON MODE VI=13to20V I
O= 0 mA 0.8 1.6 mA
VI=13to20V I
O= 250 mA 4.5 7
OFF MODE VI=6V 90 180 µA
SVR Supply Voltage Rejection IO=5mA
VI=14±1V f = 120 Hz 64 dB
f=1KHz 61
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
20/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx120 (refer to the test circuits, TJ= 25°C,
CI=0.1µF,C
O= 2.2 µF unless otherwise specified).
(*) For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol Parameter Test Conditions Min. Typ. Max. Unit
VOOutput Voltage IO=5mA V
I= 14 V 11.76 12 12.24 V
IO=5mA V
I=14V T
A=-25 to 85°C 11.52 12.48
VIOperating Input Voltage IO= 250 mA 20 V
Iout Output Current Limit 300 mA
∆VOLine Regulation VI=12.9to20V I
O=0.5mA 4 24 mV
∆VO(*) Load Regulation VI= 13.1 V IO= 0.5 to 250 mA 3 18 mV
IdQuiescent Current
ON MODE VI=13.1to20V I
O= 0 mA 0.8 1.6 mA
VI=13.1to20V I
O= 250 mA 4.5 7
OFF MODE VI=6V 90 180 µA
SVR Supply Voltage Rejection IO=5mA
VI= 14.1 ± 1 V f = 120 Hz 64 dB
f=1KHz 61
f=10KHz 55
eN Output Noise Voltage B =10 Hz to 100 KHz 50 µV
Vd(*) Dropout Voltage IO= 250 mA 0.4 0.6 V
IO= 250 mA TJ= -40 to 125°C 0.8
VIL Control Input Logic Low TA= -40 to 125°C 0.8 V
VIH Control Input Logic High TA= -40 to 125°C 2 V
IIControl Input Current VI=6V, V
C=6V 10 µA
COOutput Bypass Capacitance ESR = 0.1 to 10 ΩIO= 0 to 250 mA 2 10 µF
L4931 SERIES
21/29
Figure 1 : Supply Current vs Output Current
Figure 2 : Dropout Voltage vs Temperature
Figure 3 : Supply Current vs Input Voltage
Figure 4 : Supply Current vs Temperature
Figure 5 : Short Circuit Current vs Dropout
Voltage
Figure 6 : S.V.R. vs Input Voltage Signal
Frequency
L4931 SERIES
22/29
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 4.40 4.60 0.173 0.181
C 1.23 1.32 0.048 0.051
D 2.40 2.72 0.094 0.107
D1 1.27 0.050
E 0.49 0.70 0.019 0.027
F 0.61 0.88 0.024 0.034
F1 1.14 1.70 0.044 0.067
F2 1.14 1.70 0.044 0.067
G 4.95 5.15 0.194 0.203
G1 2.4 2.7 0.094 0.106
H2 10.0 10.40 0.393 0.409
L2 16.4 0.645
L4 13.0 14.0 0.511 0.551
L5 2.65 2.95 0.104 0.116
L6 15.25 15.75 0.600 0.620
L7 6.2 6.6 0.244 0.260
L9 3.5 3.93 0.137 0.154
DIA. 3.75 3.85 0.147 0.151
TO-220 MECHANICAL DATA
P011C
L4931 SERIES
23/29
DIM. mm. mils
MIN. TYP MAX. MIN. TYP. MAX.
A 4.32 4.95 170.1 194.9
b 0.36 0.51 14.2 20.1
D 4.45 4.95 175.2 194.9
E 3.30 3.94 129.9 155.1
e 2.41 2.67 94.9 105.1
e1 1.14 1.40 44.9 55.1
L 12.7 15.49 500.0 609.8
R 2.16 2.41 85.0 94.9
S1 0.92 1.52 36.2 59.8
W 0.41 0.56 16.1 22.0
TO-92 MECHANICA DATA
0102782/C
L4931 SERIES
24/29
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 1.35 1.75 0.053 0.069
A1 0.10 0.25 0.04 0.010
A2 1.10 1.65 0.043 0.065
B 0.33 0.51 0.013 0.020
C 0.19 0.25 0.007 0.010
D 4.80 5.00 0.189 0.197
E 3.80 4.00 0.150 0.157
e 1.27 0.050
H 5.80 6.20 0.228 0.244
h 0.25 0.50 0.010 0.020
L 0.40 1.27 0.016 0.050
k ˚ (max.)
ddd 0.1 0.04
SO-8 MECHANICAL DATA
0016023/C
8
L4931 SERIES
25/29
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 2.2 2.4 0.086 0.094
A1 0.9 1.1 0.035 0.043
A2 0.03 0.23 0.001 0.009
B 0.64 0.9 0.025 0.035
B2 5.2 5.4 0.204 0.212
C 0.45 0.6 0.017 0.023
C2 0.48 0.6 0.019 0.023
D 6 6.2 0.236 0.244
D1 5.1 0.200
E 6.4 6.6 0.252 0.260
E1 4.7 0.185
e 2.28 0.090
e1 4.4 4.6 0.173 0.181
H 9.35 10.1 0.368 0.397
L 1 0.039
(L1) 2.8 0.110
L2 0.8 0.031
L4 0.6 1 0.023 0.039
DPAK MECHANICAL DATA
0068772-F
L4931 SERIES
26/29
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 2.2 2.4 0.086 0.094
A1 0.9 1.1 0.035 0.043
A2 0.03 0.23 0.001 0.009
B 0.4 0.6 0.015 0.023
B2 5.2 5.4 0.204 0.212
C 0.45 0.6 0.017 0.023
C2 0.48 0.6 0.019 0.023
D 6 6.2 0.236 0.244
E 6.4 6.6 0.252 0.260
G 4.9 5.25 0.193 0.206
G1 2.38 2.7 0.093 0.106
H 9.35 10.1 0.368 0.397
L2 0.8 0.031
L4 0.6 1 0.023 0.039
PPAK MECHANICAL DATA
0078180-B
L4931 SERIES
27/29
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 330 12.992
C 12.8 13.0 13.2 0.504 0.512 0.519
D 20.2 0.795
N 60 2.362
T 22.4 0.882
Ao 6.80 6.90 7.00 0.268 0.272 0.2.76
Bo 10.40 10.50 10.60 0.409 0.413 0.417
Ko 2.55 2.65 2.75 0.100 0.104 0.105
Po 3.9 4.0 4.1 0.153 0.157 0.161
P 7.9 8.0 8.1 0.311 0.315 0.319
Tape & Reel DPAK-PPAK MECHANICAL DATA
L4931 SERIES
28/29
DIM. mm. inch
MIN. TYP MAX. MIN. TYP. MAX.
A 330 12.992
C 12.8 13.2 0.504 0.519
D 20.2 0.795
N 60 2.362
T 22.4 0.882
Ao 8.1 8.5 0.319 0.335
Bo 5.5 5.9 0.216 0.232
Ko 2.1 2.3 0.082 0.090
Po 3.9 4.1 0.153 0.161
P 7.9 8.1 0.311 0.319
Tape & Reel SO-8 MECHANICAL DATA
L4931 SERIES
29/29
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