LF50AB STMicroelectronics, LF50AB Datasheet - Page 16

• Manufacturer Part Number: LF50AB
• Description: VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
• Manufacturer: STMicroelectronics

Specifications of LF50AB

• Automotive Grade Product: 1.8 V, 2.5 V, 3.3 V, 5.0 V, 8.0 V, 8.5 V VOUTin DPAK and PPAK packages
• Supply Voltage Rejection: 80 db (typ.)
• Temperature Range: -40 to 125 °C

Electrical characteristics
Table 12.
16/50
Symbol
SVR
ΔV
ΔV
V
V
eN
V
C
V
I
V
I
I
O
d
IH
O
IL
I
O
d
I
O
O
Output voltage
Operating input voltage
Output current limit
Line regulation
Load regulation
Quiescent current
Supply voltage rejection
Output noise voltage
Dropout voltage
Control input logic low
Control input logic high
Control input current
Output bypass
capacitance
Refer to the test circuits, T
Electrical characteristics for LF33AB
Parameter
I
I
I
V
V
V
V
V
I
B = 10 Hz to 100 kHz
I
I
T
T
V
ESR = 0.1 to 10 Ω, I
O
O
O
O
O
O
a
a
I
I
I
I
I
I
= 50 mA, V
= 4.3 to 16 V, I
= 4.6 V, I
= 4.3 to 16V, I
= 4.6 to 16V, I
= 6 V
= 200 mA
= 500 mA
= 6 V, V
= 50 mA, V
= 500 mA
= 5 mA, V
= -40 to 125°C
= -40 to 125°C
J
= 25 °C, C
Doc ID 2574 Rev 26
C
O
= 6 V
Test conditions
I
= 5 to 500 mA
= 5.3 ± 1 V
I
I
= 5.3 V
= 5.3 V, T
O
O
O
I
=500mA
= 0mA
= 0.1 µF, C
= 5 mA
O
= 0 to 500 mA
a
= -25 to 85°C
ON MODE
OFF MODE
f = 120 Hz
f = 1 kHz
f = 10 kHz
O
= 2.2 µF unless otherwise specified.
3.267
3.234
Min.
2
2
Typ.
3.3
0.5
0.2
0.4
50
80
75
65
50
10
10
1
3
3
LFxxAB, LFxxC
3.333
3.366
Max.
0.35
100
0.7
0.8
16
16
16
12
1
Unit
mV
mV
mA
µA
dB
µV
µA
µF
V
V
A
V
V
V