LF33AB STMicroelectronics, LF33AB Datasheet - Page 11

• Manufacturer Part Number: LF33AB
• Description: VERY LOW DROP VOLTAGE REGULATORS WITH INHIBIT
• Manufacturer: STMicroelectronics

Specifications of LF33AB

• 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

LFxxAB, LFxxC
Table 7.
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
specified.
Electrical characteristics for LF18CDT-TRY (Automotive Grade)
Parameter
I
I
I
T
V
V
V
V
V
I
T
B = 10 Hz to 100 kHz, T
I
I
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
= 2.8 to 16 V, I
= 3.3 V, I
= 2.5 to 16V, I
= 3.1 to 16V, I
= 6 V
= 200 mA
= 500 mA
= 6 V, V
= 50 mA, V
= 500 mA
= 5 mA, V
= 25°C
= 25°C
A
= -40 to 125°C, C
Doc ID 2574 Rev 26
C
O
= 6 V, T
Test conditions
I
= 5 to 500 mA
= 3.5 ± 1 V
I
I
= 3.5 V, T
= 3.5 V
O
O
O
=500mA
= 0mA
= 5 mA
a
O
= 25°C
= 0 to 500 mA
a
a
I
= 25°C
= 25°C
= 0.1 µF, C
ON MODE
OFF MODE
f = 120 Hz
f = 1 kHz
f = 10 kHz
O
= 2.2 µF unless otherwise
1.764
1.713
Min.
3
2
2
Electrical characteristics
Typ.
1.8
0.5
0.2
0.4
50
82
77
60
50
10
10
1
2
2
1.836
1.887
Max.
120
1.3
1.3
0.8
16
15
15
12
2
Unit
mV
mV
mA
µA
dB
µV
µA
µF
11/50
V
V
A
V
V
V