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Analog Circuit Design Volume Three by John Hamburger, Bob Dobkin

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Chapter 289

Versatile TFT LCD bias supply and white LED driver in a 4mm × 4mm QFN

Eddy Wells

Abstract

The LTC3524, which shrinks and simplifies the design of small to medium sized TFT LCDs by combining the LCD supply and LED driver in a single compact package, is described.

Keywords

TFT LCD display

LED driver

LTC3524

Introduction

The makers of handheld medical, industrial and consumer devices use a wide variety of high resolution, small to medium sized color TFT LCD displays. The power supply designers for these displays must contend with shrinking board area, tight schedules, and variations in display types and feature requirements. The LTC3524 simplifies the designer’s job by combining a versatile, easily programmed, TFT LCD bias ...

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