Datasheet
L4931
Electrical characteristics
DocID4340 Rev 19
9/32
(Refer to the test circuits, T
A
= -40 to 125 °C, C
I
= 0.1 µF, C
O
= 2.2 µF unless otherwise
specified).
Table 5: L4931Cxx33-TRY (automotive-grade) electrical characteristics
Symbol
Parameter
Test conditions
Min.
Typ.
Max.
Unit
V
O
Output voltage
I
O
= 5 mA, V
I
= 5.3 V
T
A
= 25 °C
3.234
3.3
3.366
V
I
O
= 5 mA, V
I
= 5.3 V
3.168
3.432
V
I
Operating input voltage
I
O
= 250 mA
20
V
I
out
Output current limit
T
A
= 25 °C
300
mA
∆V
O
Line regulation
V
I
= 4.1 to 20 V, I
O
= 0.5 mA
20
mV
∆V
O
Load regulation
V
I
= 4.3 V, I
O
= 0.5 to 250 mA
38
mV
I
d
Quiescent current
ON mode
V
I
= 4.3 to 20 V, I
O
= 0 mA
1
mA
V
I
= 4.3 to 20 V, I
O
= 250 mA
6
OFF mode
V
I
= 6 V
100
µA
SVR
Supply voltage rejection
I
O
= 5 mA
V
I
= 5.3 ± 1 V
T
A
= 25 °C
f = 120 Hz
73
dB
f = 1 kHz
70
f = 10 kHz
55
eN
Output noise voltage
B = 10 Hz to 100 kHz,
T
A
= 25 °C
50
µV
V
d
Dropout voltage
I
O
= 250 mA, T
A
= 25 °C
0.4
0.6
V
I
O
= 250 mA
0.82
V
V
IL
Control input logic low
0.82
V
V
IH
Control input logic high
2
V
I
I
Control input current
V
I
= 6 V, V
C
= 6 V, T
A
= 25 °C
10
µA
C
O
Output bypass
capacitance
ESR = 0.1 to 10 Ω,
I
O
= 0 to 250 mA,
T
A
= 25 °C
2
10
µF










