Datasheet

Electrical characteristics
LFXX
24/53
DocID2574 Rev 31
Refer to test circuits, T
J
= 25 °C, C
I
= 0.1 µF, C
O
= 2.2 µF unless otherwise specified.
Table 21: LF80AB electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
V
O
Output voltage
I
O
= 50 mA
V
I
= 10 V
7.92
8
8.08
V
I
O
= 50 mA
V
I
= 10 V
T
a
= -25 to 85 °C
7.84
8.16
V
I
Operating input voltage
I
O
= 500 mA
16
V
I
O
Output current limit
1
A
∆V
O
Line regulation
V
I
= 9 to 16 V
I
O
= 5 mA
8
40
mV
∆V
O
Load regulation
V
I
= 9.3 V
I
O
= 5 to 500 mA
8
40
mV
I
d
Quiescent current
V
I
= 9 to 16 V
I
O
= 0 mA
ON mode
0.7
1.5
mA
V
I
= 9.3 to 16 V
I
O
= 500 mA
12
V
I
= 9 V
OFF mode
70
140
µA
SVR
Supply voltage rejection
I
O
= 5 mA
V
I
= 10 ± 1 V
f = 120 Hz
72
dB
f = 1 kHz
67
f = 10 kHz
57
eN
Output noise voltage
B = 10 Hz to 100 kHz
50
µV
V
d
Dropout voltage
I
O
= 200 mA
0.2
0.35
V
I
O
= 500 mA
0.4
0.7
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
= 9 V
V
C
= 6 V
10
µA
C
O
Output bypass
capacitance
ESR = 0.1 to 10 Ω
I
O
= 0 to 500 mA
2
10
µF