PM6680A 查看數據表（PDF） - STMicroelectronics

零件编号

产品描述 (功能)

比赛名单

PM6680A

Dual synchronous step-down controller with adjustable output voltages plus LDO

STMicroelectronics 

Block diagram

1

Block diagram

Figure 1. Functional block diagram

VIN

PM6680A

VCC

REFERENCE VREF

5V

LINEAR

GENERATOR

REGULATOR

+

4V -

UVLO

VREF

NC

FB2

LDO5 ENABLE

4.8V

+

-

UVLO

LDO5

V5SW

OUT2

FB1

SKIP

FSEL

BOOT2

HGATE2

PHASE2

FREQUENCY

SELECTOR

LEVEL

SHIFTER

OUT2

SMPS

CONTROLLER

COMP2

LDO5

LGATE2

OUT1

BOOT1

OUT1

SMPS

LEVEL

SHIFTER

HGATE1

CONTROLLER

PHASE1

LDO5

CSENSE1

COMP1

LGATE1

PGOOD1

SHDN

EN2

UVLO

STARTUP

CONTROLLER

LDO5 ENABLE

EN1

TERMIC

TERMIC

FAULT CONTROLLER

4/48

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