L5958SM 데이터 시트보기 (PDF) - STMicroelectronics

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L5958SM

Multifunction voltage regulator for car radio

STMicroelectronics 

L5958

1

Block diagram

Block diagram

Figure 1. Block diagram

VIN1

EN_SW

EN_3P3P -1P8P

BU1

POWER

SWITCH

1.8V perm

REGULATOR

Vref

3.3V perm

REGULATOR

BU2

EN_3P3SW_1P8SW

1.8V

REGULATOR

V IN2

EN_8P5SW_5PSW

3.3V

REGULATOR

5V

REGULATOR

8.5V

REGULATOR

RES

BUF

SW

REG6

CRES

RES

REG5

REG4

VDD CORE

REG3

REG2

REG1

IGNIN

<5.37V

>18.55V

<8.65V

>16.55V

LOAD

DUMP

PRE

WARN

IGNOUT

CAN_PRETEMP

AUDIO_LOW_OUT

AUDIO_HIGH_OUT

AC00175

Doc ID 17716 Rev 1

5/20

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