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L4957 Datasheet(PDF) 2 Page - STMicroelectronics

Part # L4957
Description  UP TO 4A ULDO LINEAR REGULATOR
PDF  7 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L4957 Datasheet(HTML) 2 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VIN
Supply Input Voltage
7
V
Ti
Junction Temperature
-40 to +150
°C
Tstg
Storage Temperature
-40 to +150
°C
PINS CONNECTION
IN
PRE
REGULATOR
VREF
+
-
E/A
OUT
GND
D98IN839C
1
2
3
V
IN
10
µF
CURRENT
LIMIT
WITH
FOLDBACK
THERMAL
SHUTDOWN
BUFFER
CHARGE
PUMP
POWER
DMOS
150m
Ω
22
µF
VOUT
RY
RX
BLOCK DIAGRAM
OUT
GND
IN
1
3
D98IN838B
2
Versawatt (TO220)
OUT
GND
IN
1
3
D98IN933A
2
D2PAK
L4957
2/7



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