ISL97642 데이터 시트보기 (PDF) - Renesas Electronics

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ISL97642

TFT-LCD DC/DC with Integrated Amplifiers

Renesas Electronics 

ISL97642

Typical Application Circuit

VIN

(2.6V TO 5.5V)

10µF

C1

10

IN

470nF

VCN

0.1µF

700

Q21

180 COMP

2.2nF

DRVN

VNEG R22 82k

(-8V)

10k

470nF R21

0.1µF

CONTROL

INPUT

100nF

FBN

REF

CTL

DEL

D11

0.1µF

VCP

VCN

NEG

REG

REF

D21

0.1µF

L1 6.8µH

BOOST

POS

REG

SW

CTL

D12

0.1µF

0.1µF

D1

LX

AVDD

(9V)

10µFx2

C2

FB

R2

R1

10.2k

PGND

64.9k

R7 OPEN

C7 OPEN

GND

DRVP

FBP

700

Q11

R12 182k

R11 9.76k

VCP

0.1µF VON

(24.5V)

470nF

SRC

TO GATE

COM DRIVER IC

DRN

R8

68k

R9

1k

C8

0.1µF

AVDD

VMAIN

VCOM FB3

VCOM3

VCOM SET3

VCOM FB2

VCOM2

VCOM SET2

AVDD

NEG3

OUT3

POS3

-

OP3 +

NEG2

OUT2

POS2

-

OP2 +

AGND

NEG1

-

+ OP1

OUT1

POS1

VCOM FB1

VCOM1

VCOM SET1

FN6436 Rev 0.00

June 18, 2007

Page 18 of 19

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