l4957a STMicroelectronics, l4957a Datasheet - Page 3

• Manufacturer Part Number: l4957a
• Description: Up To 5a Uldo Linear Regulator
• Manufacturer: STMicroelectronics

L4957A
1
Block diagram and typical application
Figure 1.
Figure 2.
V
IN
10µF
IN
Block diagram
Typical application
3V to 14V
1
REGULATOR
C1
PRE
IN
V
REF
1
+
-
E/A
L4957AD
CURRENT
LIMIT
2
GND
Block diagram and typical application
3
BUFFER
SHUTDOWN
THERMAL
CHARGE
PUMP
OUT
D00IN1107B
GND
2
POWER
200mΩ
DMOS
R
R
X
Y
3
V
C2
OUT
D00IN1108A
OUT
22µF
V
3/12
OUT