전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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L4955 데이터 시트보기 (PDF) - STMicroelectronics
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L4955
5A ULDO LINEAR REGULATORS FAMILY
STMicroelectronics
L4955 Datasheet PDF : 14 Pages
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L4955
ABSOLUTE MAXIMUM RATINGS
Symbol
V
IN
P
TOT
T
st
, T
i
Parameter
Supply Input Voltage
ADJ and CL pins
PG and INH pins
Power Dissipation @ T
amb
= 50
°
C
Power Dissipation @ T
case
= 90
°
C
Storage Temperature
Value
24
-0.3 to 4
0 to V
IN
2
15
-40 to +150
Unit
V
V
V
W
W
°
C
PIN CONNECTIONS
(Top views)
tab connected to pin 4
7
OUT
6
PG
5
ADJ
4
GND
3
INH
2
CL
1
IN
D96IN367
HEPTAWATT
3
OUT
GND
1
IN
D96IN369
VERSAWATT
(TO220)
BLOCK DIAGRAM
V
IN
10
µ
F
IN
1(1)
V
REF
=
1.26V
FIXED
C.L.
FOLDBACK
CHARGE
PUMP
PRE
REGULATOR
+
E/A
-
PROGRAM.
C.L.
3
INH
1.26V
INHIBIT
ACTIVE HIGH
V
REF
+
-
PIN x = HEPTAWATT
PIN (x) = VERSAWATT
2
CL
R
CL
(1/4W, 1%)
0.9V
REF
4(2)
GND
BUFFER
THERMAL
SHUTDOWN
6
PG
POWER
DMOS
150m
Ω
7(3)
5
OUT
R1
ADJ
R2
D96IN366
V
OUT
22
µ
F
2/14
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