PM6685 查看數據表（PDF） - STMicroelectronics

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产品描述 (功能)

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PM6685

Dual step-down main supply controller with auxilary voltages for notebook system power

STMicroelectronics 

Block diagram

1

Block diagram

Figure 1. Functional block diagram

VIN

PM6685

5V

VCC

REFERENCE VREF LINEAR

GENERATOR

REGULATOR

+

4V -

UVLO

VREF

PGOOD

LDO3

OUT3

SKIP

FSEL

BOOT3

LDO5 ENABLE

- 2.55V

+

3.3V

LINEAR

REGULATOR

4.8V

+

-

UVLO

- 2.6V

+

LDO3 ENABLE

FREQUENCY

SELECTOR

LDO5

V5SW

VCC

OUT5

BOOT5

HGATE3

LEVEL

SHIFTER

3.3V

SMPS

PHASE3

CONTROLLER

CSENSE3

COMP3

LDO5

LGATE3

5V

SMPS

CONTROLLER

LEVEL

SHIFTER

LDO5

HGATE5

PHASE5

CSENSE5

COMP5

LGATE5

PGOOD3

PGOOD5

SHDN

LDO3 SEL

EN3

LDO3 MODE

SELECTOR

UVLO

STARTUP

CONTROLLER

LDO3 ENABLE

LDO5 ENABLE

EN5

TERMIC

TERMIC

FAULT CONTROLLER

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