l4957 STMicroelectronics, l4957 Datasheet - Page 2

• Manufacturer Part Number: l4957
• Description: Up To 4a Uldo Linear Regulator
• Manufacturer: STMicroelectronics

L4957
ABSOLUTE MAXIMUM RATINGS
PINS CONNECTION
BLOCK DIAGRAM
2/7
V
IN
10 F
Symbol
T
V
T
stg
IN
i
IN
Supply Input Voltage
Junction Temperature
Storage Temperature
1
Versawatt (TO220)
REGULATOR
3
2
1
PRE
V
REF
D98IN838B
Parameter
+
-
E/A
FOLDBACK
CURRENT
OUT
GND
IN
LIMIT
WITH
BUFFER
SHUTDOWN
THERMAL
CHARGE
PUMP
GND
3
2
1
2
D2PAK
POWER
-40 to +150
-40 to +150
150m
DMOS
R
R
X
Y
Value
GND
7
3
D98IN839C
OUT
D98IN933A
OUT
IN
22 F
Unit
V
V
C
C
OUT