L5956PD 데이터 시트보기 (PDF) - STMicroelectronics
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L5956PD Datasheet PDF : 16 Pages
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L5956
1
Block diagram and pins description
Block diagram and pins description
1.1
Block diagram
Figure 1. Block diagram
VINI (MAIN)
EN_SW
EN 1_3(8.5V_5V)
BU
VIN2
EN 4(3.3V)
POWER
SWITCH
REG1
REG2
REG3
REG4
THERMAL DUMP LOAD
PROTECTION PROTECTION
IGNIN
IGNITION
BUFFER
IGNOUT
SW
REG 1(8.5V)
REG 2(PERM)(5V)
REG 3(5V)
REG 4(3.3V)
HOLD
RESET
BUFFER
RES
CRES
D02AU1342
1.2
Pins description
Figure 2. Pins connection (top view)
VIN2
REG3(5V)
N.C.
REG1(8.5V)
SW
N.C.
VIN1
BU
REG2(5V)
HEATSINK
20
1
19
2
18
3
17
4
16
5
15
6
14
7
13
8
12
9
11
10
D02AU1343
PowerSO
REG4(3.3V)
IGNIN
IGNOUT
RES
CRES
ENREG4(3.3V)
ENREG1_3(8.5V_5V)
EN_SW
HOLD
GND
15
VIN2
14
REG3
13
REG1
12
SWITCH
11
BU
10
REG2
9
VIN1
8
GND
7
HOLD
6
EN SW
5
EN REG1,3
4
EN REG4
3
CRES
2
RES
1
REG4
Multiwatt
D03AU1513
5/16
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