L5957 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

L5957

Multifunction voltage regulator for car radio

STMicroelectronics 

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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