FP6783 datasheet(1/11 Pages) FITIPOWER

部品番号	FP6783

部品情報	Integrated Multi-Channel DC-DC Converters for TFT LCD Panels

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メーカー	FITIPOWER [Fitipower Integrated Technology Inc.]

ホームページ	http://www.fitipower.com/en_US/index.asp

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1

FP6783-Preliminary 0.3-NOV-2012

FP6783

fitipower integrated technology lnc.

Integrated Multi-Channel

DC-DC Converters for TFT LCD Panels

Pin Assignments

WQ Package (TQFN-20)(5mm x 5mm)

6

7

8

20

19

18

17

16

1

2

3

4

5

15

14

13

12

11

ADJ

VIN

SW

VIN

VREF

FBN

AGND

DRVP

DRVN

9

10

SW

21

Figure 1. Pin Assignment of FP6783

Ordering Information

Description

The FP6783 is an integrated power supply solution

optimized for medium to large size thin-film transistor

(TFT) liquid crystal displays (LCD’s).

The boost converter operates at a frequency of

1.2MHz. The integrated N-channel FET has a typical

current limit of 4.5A and can support output voltage

up to 18V.

A positive charge pump with an integrated driver can

produce up to 36V of positive gate drive.

The GPM is a flicker compensation circuit to reduce

the coupling effect of gate lines; the gate-shaping

timing is controlled by the timing-controller to

modulate the Gate-On voltage, VGHM. It also can

delay the Gate-On voltage during power-on to

achieve a correct power-on delay time and the falling

time of the Gate-On voltage are programmable by

external capacitor and resistor.

The FP6783 is available in a thin 20-pin 5x5 mm

TQFN green package.

Features



2.5V to 5.5V Input Supply



1.2MHz Switching Frequency



Current-Mode Boost Regulator

—

Integrated 18V/4.5A FET

—

Fast Transient Response to Pulsed Load

—

High Efficiency



GPM Controller with Adjustable Falling Time

—

Flicker Compensator

—

Power-on Sequence Control



Over-Temperature Protection



Over-Current Protection



Over-Voltage Protection



Under-Voltage Protection



Charge Pump for VGH Regulation



Charge Pump for VGL Regulation



TQFN-20 Exposed Pad Package



ROHS Compliant

Applications



TFT LCD for Notebook



TFT LCD for Monitor



TFT LCD for TV

C: Green

TR: Tape/Reel

Package Type

WQ: TQFN-20 (5mm x 5mm)

FP6783

□□□

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