LF18AB STMicroelectronics, LF18AB Datasheet - Page 10
LF18AB
Manufacturer Part Number
LF18AB
Description
VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
Manufacturer
STMicroelectronics
Datasheet
1.LF33C.pdf
(50 pages)
Specifications of LF18AB
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LF18ABPTTR
Manufacturer:
OSRAM
Quantity:
3 646
Company:
Part Number:
LF18ABV
Manufacturer:
STMicroelectronics
Quantity:
1 813
Electrical characteristics
Table 6.
10/50
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 LF18C
Parameter
I
I
I
V
V
V
V
V
I
B = 10 Hz to 100 kHz
I
T
T
V
ESR = 0.1 to 10 Ω, I
O
O
O
O
O
a
a
I
I
I
I
I
I
= 50 mA, V
= 2.8 to 16 V, I
= 3.3 V, I
= 2.5 to 16V, I
= 3.1 to 16V, I
= 6 V
= 200 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
= 3.5 ± 1 V
I
I
= 3.5 V
= 3.5 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.
1.764
1.728
Min.
3
2
2
Typ.
1.8
0.5
0.7
50
82
77
60
50
10
10
1
2
2
LFxxAB, LFxxC
1.836
1.872
Max.
100
0.8
16
12
10
12
1
Unit
mV
mV
mA
µA
dB
µV
µA
µF
V
V
A
V
V
V