Datasheet

L4931
Electrical characteristics
DocID4340 Rev 19
15/32
(Refer to the test circuits, T
A
= 25 °C, C
I
= 0.1 µF, C
O
= 2.2 µF unless otherwise specified).
Table 11: L4931Cxx120 electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
V
O
Output voltage
I
O
= 5 mA, V
I
= 14 V
11.76
12
12.24
V
I
O
= 5 mA, V
I
= 14 V,
T
A
= -25 to 85 °C
11.52
12.48
V
I
Operating input
voltage
I
O
= 250 mA
20
V
I
out
Output current limit
300
mA
∆V
O
Line regulation
V
I
= 12.9 to 20 V, I
O
= 0.5 mA
4
24
mV
∆V
O
Load regulation
(1)
V
I
= 13.1 V, I
O
= 0.5 to 250 mA
3
18
mV
I
d
Quiescent current
ON mode
V
I
= 13.1 to 20 V, I
O
= 0 mA
0.8
1.6
mA
V
I
= 13.1 to 20 V, I
O
= 250 mA
4.5
7
OFF mode
V
I
= 6 V
90
180
µA
SVR
Supply voltage
rejection
I
O
= 5 mA
V
I
= 14.1 ± 1 V
f = 120 Hz
64
dB
f = 1 kHz
61
f = 10 kHz
55
eN
Output noise voltage
B = 10 Hz to 100 kHz
50
µV
V
d
Dropout voltage
(1)
I
O
= 250 mA
0.4
0.6
V
I
O
= 250 mA, T
A
= -40 to 125 °C
0.8
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
= 6 V, V
C
= 6 V
10
µA
C
O
Output bypass
capacitance
ESR = 0.1 to 10 Ω,
I
O
= 0 to 250 mA
2
10
µF
Notes:
(1)
For SO-8 package the maximum limit of load regulation and dropout should be increased by 20 mV.