L5957PDTR Просмотр технического описания (PDF) - STMicroelectronics
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L5957PDTR Datasheet PDF : 16 Pages
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L5957
Figure 6. Backup and reset diagram
VBATT
14
5V PERM
5
4.8
4.7
5
3
CDELAY
RESET
Figure 7. Hold and thermal protection
DUMP
22
18
VIN1
9.5
5
HOLD
TEMPERATURE
PROTECTION
8.5V
REG1(8.5V)
5V
REG2(5V)
5V
REG3(5V)
3.3V
REG4(3.3V)
5V
ENREG3
ENREG1-4
Electrical specifications
BACKUP CAP.
t
t
D02AU1422
t
9V
8.5V
5V
3.3V
ON
T≅160
D02AU1423B
Doc ID 14442 Rev 2
11/16
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