ISL97642 Просмотр технического описания (PDF) - Intersil

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ISL97642

TFT-LCD DC/DC with Integrated Amplifiers

Intersil 

Typical Application Circuit

VIN

(2.6V TO 5.5V)

10µF

C1

10Ω

IN

470nF

VCN

700Ω

0.1µF Q21

180Ω COMP

2.2nF

DRVN

VNEG R22 82kΩ

(-8V)

10kΩ

470nF R21

0.1µF

CONTROL

INPUT

100nF

FBN

REF

CTL

DEL

ISL97642

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

10.2kΩ

PGND

64.9kΩ

R7 OPEN

C7 OPEN

GND

DRVP

FBP

700Ω

Q11

VCP

0.1µF VON

(24.5V)

R12 182kΩ

470nF

R11 9.76kΩ

SRC

TO GATE

COM DRIVER IC

DRN

R8

68kΩ

R9

1kΩ

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

18

FN6436.0

June 18, 2007

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