Datasheet

L4931 SERIES
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ELECTRICAL CHARACTERISTICS OF L4931Cxx15 (refer to the test circuits, T
J
= 25°C,
C
I
=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, T
J
= 25°C,
C
I
=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
V
O
Output Voltage I
O
=5mA V
I
= 3.5 V 1.47 1.5 1.53 V
I
O
=5mA V
I
=3.5V T
A
=-25 to 85°C 1.44 1.56
V
I
Operating Input Voltage I
O
= 250 mA 2.5 20 V
I
out
Output Current Limit 300 mA
∆V
O
Line Regulation V
I
= 2.5 to 20 V I
O
=0.5mA 3 18 mV
∆V
O
(*) Load Regulation V
I
=2.7V I
O
= 0.5 to 250 mA 3 18 mV
I
d
Quiescent Current
ON MODE
V
I
= 2.7 to 20 V I
O
=0mA 0.61mA
V
I
= 2.7 to 20 V I
O
= 250 mA 4 6
OFF MODE V
I
=6V 50 100 µA
SVR Supply Voltage Rejection I
O
=5mA
V
I
=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
V
d
(*) Dropout Voltage I
O
= 250 mA 1 V
V
IL
Control Input Logic Low T
A
= -40 to 125°C 0.8 V
V
IH
Control Input Logic High T
A
= -40 to 125°C 2 V
I
I
Control Input Current V
I
=6V, V
C
=6V 10 µA
C
O
Output Bypass Capacitance ESR = 0.1 to 10 Ω I
O
= 0 to 250 mA 2 10 µF
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage I
O
=5mA V
I
= 4.5 V 2.475 2.5 2.525 V
I
O
=5mA V
I
=4.5V T
A
=-25 to 85°C 2.45 2.55
V
I
Operating Input Voltage I
O
= 250 mA 20 V
I
out
Output Current Limit 300 mA
∆V
O
Line Regulation V
I
= 3.2 to 20 V I
O
=0.5mA 3 15 mV
∆V
O
(*) Load Regulation V
I
=3.4V I
O
= 0.5 to 250 mA 3 15 mV
I
d
Quiescent Current
ON MODE
V
I
= 3.4 to 20 V I
O
=0mA 0.61mA
V
I
= 3.4 to 20 V I
O
= 250 mA 4 6
OFF MODE V
I
=6V 50 100 µA
SVR Supply Voltage Rejection I
O
=5mA
V
I
=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
V
d
(*) Dropout Voltage I
O
= 250 mA 0.4 0.6 V
I
O
= 250 mA T
J
= -40 to 125°C 0.8
V
IL
Control Input Logic Low T
A
= -40 to 125°C 0.8 V
V
IH
Control Input Logic High T
A
= -40 to 125°C 2 V
I
I
Control Input Current V
I
=6V, V
C
=6V 10 µA
C
O
Output Bypass Capacitance ESR = 0.1 to 10 Ω I
O
= 0 to 250 mA 2 10 µF