MCP1602 查看數據表（PDF） - Microchip Technology

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MCP1602

(MCP1650 - MCP1653) 750 kHz Boost Controller

Microchip Technology 

MCP1602

Functional Block Diagram

VCC

VIN

Slope

Comp

UVLO

UVLO

Band

Gap

VREF

Soft Start

Thermal

Shutdown

TSD

Disable

Switcher

SHDN

IPEAKPWM

IPEAKPFM

ILIMPWM

IPK Limit

ILIMPFM

OSC

-ILPK

SQ

POFF

NOFF

LX

Switch Drive

RQ

Logic and Timing

PWM/PFM

PFM Error Amp

VREF

PWM Error Amp

EA

VFB / VOUT

OV Threshold

UV Threshold

© 2007 Microchip Technology Inc.

PWM/PFM

Logic

PGND

IPEAKPFM

IPEAKPWM

-ILPK

VREF

VCC

-IPK Limit

VREF

PG

PG Generator

with Delay

VOUT

AGND

DS22061A-page 3

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