Datasheet

LFXX
Electrical characteristics
DocID2574 Rev 31
21/53
Refer to test circuits, T
a
= -40 to 125 °C, C
I
= 0.1 µF, C
O
= 2.2 µF unless otherwise
specified.
Table 18: LF50C (automotive grade) electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
V
O
Output voltage
I
O
= 50 mA
V
I
= 7 V
T
a
= 25 °C
4.9
5
5.1
V
I
O
= 50 mA
V
I
= 7 V
4.785
5.215
V
I
Operating input voltage
I
O
= 500 mA
16
V
I
O
Output current limit
T
a
= 25 °C
1
A
∆V
O
Line regulation
V
I
= 6 to 16 V
I
O
= 5 mA
5
28
mV
∆V
O
Load regulation
V
I
= 6.3 V
I
O
= 5 to 500 mA
5
28
mV
I
d
Quiescent current
V
I
= 6 to 16 V
I
O
= 0 mA
ON mode
0.5
2
mA
V
I
= 6.3 to 16 V
I
O
= 500 mA
12
V
I
= 6 V
OFF mode
50
120
µA
SVR
Supply voltage rejection
I
O
= 5 mA
V
I
= 7 ± 1 V
T
a
= 25 °C
f = 120 Hz
76
dB
f = 1 kHz
71
f = 10 kHz
60
eN
Output noise voltage
B = 10 Hz to 100 kHz
T
a
= 25 °C
50
µV
V
d
Dropout voltage
I
O
= 200 mA
0.2
1.3
V
I
O
= 500 mA
0.4
1.3
V
IL
Control input logic low
0.8
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 500 mA
2
10
µF