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L5957PD 数据表(PDF) 5 Page - STMicroelectronics

部件名 L5957PD
功能描述  Multifunction voltage regulator for car radio
PDF  16 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5957PD 数据表(HTML) 5 Page - STMicroelectronics

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L5957
Block and pins connection diagrams
Doc ID 14442 Rev 2
5/16
1
Block and pins connection diagrams
Figure 1.
Block diagram
Figure 2.
Pins connection
POWER
SWITCH
IGNITION
BUFFER
THERMAL
PROTECTION
RESET
BUFFER
DUMP LOAD
PROTECTION
REG1
REG2
REG3
REG4
VINI (MAIN)
EN_SW
BU
VIN2
IGNIN
RES
HOLD
REG 4(3.3V)
REG 3(5V)
REG 2(PERM)(5V)
REG 1(8.5V)
SW
IGNOUT
D02AU1342/L5957
CRES
ENREG3(5V)
ENREG1-4(8.5V, 3.3V)
GND
HOLD
EN_SW
ENREG3(5V)
ENREG1-4(8.5V, 3.3V)
RES
CRES
IGNOUT
IGNIN
REG3(5V)
N.C.
REG1(8.5V)
N.C.
SW
VIN1
BU
REG2(5V)
HEATSINK
10
8
9
7
6
5
4
3
2
13
14
15
16
17
19
18
20
12
1
11
REG4(3.3V)
VIN2
D02AU1343 /L5957
PowerSO
1
2
3
4
5
6
7
9
10
11
8
BU
REG2
VIN1
GND
HOLD
EN SW
ENREG1, 4
ENREG3
CRES
RES
REG4
13
14
15
12
VIN2
REG3
REG1
SWITCH
D03AU1513/L5957
Multiwatt



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