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廬

ISL97646

Data Sheet

December 21, 2006

FN6265.0

Boost + LDO + V

ON

Slice + V

COM

The ISL97646 represents an integrated DC/DC regulator for

monitor and notebook applications with screen sizes up to

20鈥? The device integrates a boost converter for generating

A

VDD

, a V

ON

slice circuit, an integrated logic LDO and a high

performance V

COM

amplifier.

The boost converter features a 2.6A FET and has user

programmable soft-start and compensation. With efficiencies

up to 92%, the A

VDD

is user selectable from 7V to 20V.

The logic LDO includes a 350mA FET for driving the low

voltage needed by the external digital circuitry.

The V

ON

slice circuit can control gate voltages up to 30V.

High and low levels are programmable, as well as discharge

rate and timing.

The integrated V

COM

features high speed and drive

capability. With 30MHz bandwidth and 50V/碌s slew rate, the

V

COM

amplifier is capable of driving 400mA peaks, and

100mA continuous output current.

Features

鈥?3V to 5.5V Input

鈥?2.6A Integrated Boost for Up to 20V A

VDD

鈥?Integrated V

ON

Slice

鈥?350mA V

LOGIC

LDO

- 2.5V, 2.85V, 3.3V Output Voltage Selectable

鈥?600kHz/1.2MHz f

S

鈥?V

COM

Amplifier

- 30MHz BW

- 50V/碌s SR

- 400mA Peak Output Current

鈥?UV and OT Protection

鈥?24 Ld 4x4 QFN

鈥?Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

鈥?LCD Monitors (15鈥?)

鈥?Notebook Display (up to 16鈥?

Pinout

ISL97646

(24 LD 4x4 QFN)

TOP VIEW

ENABLE

PGND

Ordering Information

TEMP.

RANGE

PART NUMBER

PART

(擄C)

(Note)

MARKING

ISL97646IRZ-T

18

17

16

15

14

13

LX

VIN_2

FREQ

COMP

SS

VIN_1

VGH

RE

CE

24

GND

VGH_M

VFLK

VDPM

VDD_1

VDD_2

1

2

3

4

5

6

7

OUT

23

22

21

20

FB

PACKAGE

(Pb-Free)

PKG.

DWG. #

19

97646IRZ -40 to +85 24 Ld 4x4 QFN

L24.4x4D

6k pc Tape & Reel

ISL97646IRZ-TK 97646IRZ -40 to +85 24 Ld 4x4 QFN

L24.4x4D

1k pc Tape & Reel

NOTE: Intersil Pb-free plus anneal products employ special Pb-free

material sets; molding compounds/die attach materials and 100% matte

tin plate termination finish, which are RoHS compliant and compatible

with both SnPb and Pb-free soldering operations. Intersil Pb-free

products are MSL classified at Pb-free peak reflow temperatures that

meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

8

NEG

9

POS

10

AGND

11

ADJ

12

LDO_OUT

1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

|

Intersil (and design) is a registered trademark of Intersil Americas Inc.

Copyright Intersil Americas Inc. 2006. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.

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