L5957PDTR 데이터 시트보기 (PDF) - STMicroelectronics

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L5957PDTR

Multifunction voltage regulator for car radio

STMicroelectronics 

Electrical specifications

Figure 8. Ignition buffer diagram

50V

IGNITION

INPUT1.27V

1.17V

IGNITION

OUTPUT

14V

VIN1

Figure 9. Protection of the power switch

VSW

16V

L5957

LOAD DUMP

D02AU1424

DELAYED

NOT

IN CASE

DELAYED VIN1 <16V

1.5A

3A

D02AU1425

ISW

Figure 10. Short circuit diagram

REG1

REG2

REG3

REG4

SWITCH

SHORT TO GND

SHORT TO GND

SHORT TO GND

SHORT TO GND

SHORT TO GND

12/16

Doc ID 14442 Rev 2

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