G5535 datasheet(1/1 Pages) GMT

Part #	G5535

Description	Charge-Pumps and High-Current OP

PDF	1 Pages

Scroll/Zoom	100%

Manufacturer	GMT [Global Mixed-mode Technology Inc]

Direct Link	http://www.gmt.com.tw

Logo

1 / 1 page

Ver: 0.1

Jun 04, 2008

TEL: 886-3-5788833

http://www.gmt.com.tw

1

G5535

Global Mixed-mode Technology Inc.

LCD Panel Power Supplies with Low-Cost Linear-

Regulator, Charge-Pumps and High-Current OP

Features

High-Performance Linear Regulator

1.6% Output Accuracy

Works with Small Ceramic Output Capacitors

Fast Transient Response

Foldback Current Limit

High-Current Operational Amplifier:

12V/µs Slew Rate

12MHz, -3dB Bandwidth

Rail-to-Rail Inputs/Output

100mA Negative Charge Pump Regulator

50mA Positive Charge Pump Regulator with

Adjustable Delay

Built-In Power-Up Sequence

Gate-on Pulse Modulator for Sequence & Dis-

charge Control

Thermal Protection

Latched Fault Protection with Timer

TQFN4X4-24 Package

Applications

LCD Monitor Panel Modules

LCD TV Panel Modules

General Description

G5535 incorporates a high-performance linear regula-

tor, two low-power charge-pump regulators, a high-

current operational amplifier, and logic-controlled

gate-on pulse modulator to control the positive

charge-pump output sequence and waveform.

The linear regulator generates the source-driver sup-

ply voltage from the input voltage directly. The two

charge-pump regulators generate the positive gate-on

and negative gate-off supply voltages. The operational

amplifier supplies the VCOM buffer with high output

current, fast slew rate and wide bandwidth perform-

ances for driving capacitive loads. The gate-on pulse

modulator control (SWCTL) is independent of the

SHDN chip enable control.

The G5535 adopts a 24-pin TQFN package which is

4mm

× 4mm with a maximum thickness of 0.8mm for

ultra-thin LCD panel application.

Ordering Information

ORDER

NUMBER

MARKING

TEMP.

RANGE

PACKAGE

(Pb free)

G5535R51U

5535

-40°C to 85°C

TQFN4X4-24

Note: R5: TQFN4X4-24

1: Bonding Code

U: Tape & Reel

Pin Configuration

G5535 TQFN4X4-24

GON

DRN

REF

POSOP

INL

NEGOP

SHDN

FBP

THR

VDDOP

OUTOP

GND

1

2

3

4

5

6

13

14

15

16

17

18

Thermal

Pad

G5535 TQFN4X4-24

GON

DRN

REF

POSOP

INL

NEGOP

SHDN

FBP

THR

VDDOP

OUTOP

GND

1

2

3

4

5

6

13

14

15

16

17

18

Thermal

Pad

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