Datasheet

L4931 SERIES
19/29
ELECTRICAL CHARACTERISTICS OF L4931Cxx80 (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 L4931ABxx120 (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
=10V 7.84 8 8.16 V
I
O
=5mA V
I
=10V T
A
=-25 to 85°C 7.68 8.32
V
I
Operating Input Voltage I
O
= 250 mA 20 V
I
out
Output Current Limit 300 mA
∆V
O
Line Regulation V
I
= 8.9 to 20 V I
O
=0.5mA 4 24 mV
∆V
O
(*) Load Regulation V
I
=9.1V I
O
= 0.5 to 250 mA 3 18 mV
I
d
Quiescent Current
ON MODE
V
I
= 9.1 to 20 V I
O
= 0 mA 0.8 1.6 mA
V
I
= 9.1 to 20 V I
O
= 250 mA 4.5 7
OFF MODE V
I
=6V 70 140 µA
SVR Supply Voltage Rejection I
O
=5mA
V
I
= 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
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
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage I
O
=5mA V
I
= 14 V 11.88 12 12.12 V
I
O
=5mA V
I
=14V T
A
=-25 to 85°C 11.76 12.24
V
I
Operating Input Voltage I
O
= 250 mA 20 V
I
out
Output Current Limit 300 mA
∆V
O
Line Regulation V
I
=12.8to20V I
O
=0.5mA 4 20 mV
∆V
O
(*) Load Regulation V
I
=13V I
O
= 0.5 to 250 mA 3 15 mV
I
d
Quiescent Current
ON MODE
V
I
=13to20V I
O
= 0 mA 0.8 1.6 mA
V
I
=13to20V I
O
= 250 mA 4.5 7
OFF MODE V
I
=6V 90 180 µA
SVR Supply Voltage Rejection I
O
=5mA
V
I
=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
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