AN024 datasheet(1/7 Pages) AIC

Part #	AN024

Description	For LCD Motherboard Power Supply Using AIC1563

PDF	7 Pages

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Manufacturer	AIC [Analog Intergrations Corporation]

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

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AN024

February, 2002

For LCD Motherboard Power Supply Using AIC1563

Introduction

The newest technology of monitor is Flat-Panel Display

(FPD). In FPD field, the widest and most grow up

application is Liquid Crystal Display (LCD). It has many

advantages, such as: light weight, less space, low

voltage operating and power saving. They are very

attractive. Certainly, on the brightness, contrast and the

activity transient despondence of display, they can’t

compare with Cathode Ray Tube (CRT) monitor.

Fig. 1 shows the structure of LCD monitor (LCDM),

there are three main parts in it: motherboard, panel

and inverter. For normal working, LCD monitor needs a

good power management to get in. This application

note focus on the power design for the motherboard of

LCD. It needs 5V; 3.3V and 2.5V output voltage, which

depend on vender’s desire. This application note will

discuss the steps of design.

‘

ADC

TMDS

Deccoder

Scaler

RGB

DVI

Video

MCU

EEPROM

OSD

PLL

Key Pads

Adaptor

LCD MB Power

LCD Panel Power

Inverter

LCD Panel

Source Driver

Fig.1 LCD structure

1

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