ISL97653A 데이터 시트보기 (PDF) - Renesas Electronics

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ISL97653A

5-Channel Integrated LCD Supply

Renesas Electronics 

ISL97653A

Typical Application Diagram (Continued)

RSET HVS

VREF PROT

CM1

FBB

GM AMPLIFIER

+-

VREF

HVS

LOGIC

UVLO COMPARATOR

+-

FREQ

VL

0.75 VREF

680kHz

OSCILLATOR

PVIN1, 2

CDEL

EN

REGULATOR

REFERENCE BIAS

AND

SEQUENCE CONTROLLER

SAWTOOTH

GENERATOR

SLOPE

COMPENSATION

Σ

CONTROL

LOGIC

BUFFER

CURRENT

AMPLIFIER

LX1

LX2

RSENSE

PGND1

PGND2

CURRENT LIMIT

COMPARATOR

CURRENT LIMIT

THRESHOLD

PVIN1, 2

SUPN

NOUT

FBN

+-

0.2V

UVLO COMPARATOR

+-

0.4V

0.75 VREF

+-

VL

CB

CURRENT

LIMIT

COMPARATOR

BUFFER

CURRENT AMPLIFIER

+-

CURRENT LIMIT

THRESHOLD

CONTROL

LOGIC

GM AMPLIFIER

Σ

+-

SLOPE

VREF

COMPENSATION

SAWTOOTH

GENERATOR

LXL1

LXL2

CM2

FBL

LDO

CONTROL

LOGIC2

LDO-CTL

LDO-FB

FBP

+-

VREF

SUPP

SUPP

TEMP

SENSOR

POUT

TEMP

C1-

C1+ POUT

C2+ C2-

DRN

CTL

COM

FN6367 Rev 3.00

September 7, 2010

Page 6 of 19

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