ISL97646 데이터 시트보기 (PDF) - Intersil

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ISL97646

Boost + LDO + VON Slice + VCOM

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Block Diagram

COMP

FB

-

+

FREQ

OSCILLATION

GENERATOR

SLOPE

COMPENSATION

SUMMING

AMPLIFIER

ISL97646

PWM

LOGIC

-

+

REFERENCE

GENERATOR

START-UP AND

FAULT CONTROL

ENABLE

LDO

CONTROLLER

VIN1

OUT

+

-

GPM

CIRCUIT

LX

2.5µA

PGND

SS

VIN2

VDPM

ADJ

LDO_OUT

VDD2

POS

NEG

GND

VDD1

VFLK VGH VGH_M CE RE

FIGURE 13. ISL97646 BLOCK DIAGRAM

8

FN6265.1

December 14, 2007

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