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如何实现与DS3881/DS3882 CCFL控制器的300:1调光比

资料介绍
摘要:本应用笔记介绍了如何可以变暗CCFL灯管和用户如何最大限度地利用DS3881和DS3882 CCFL控制器的CCFL逆变器的调光比。注意提供在汽车,工业和航空电子应用的实际实现的准则。

Maxim > App Notes > AUTOMOTIVE

Keywords: CCFL, LCD, Automotive, Displays, Dimming Ratio, cold cathode fluorescent lamp Feb 08, 2007

APPLICATION NOTE 3997
How to Achieve a 300:1 Dimming Ratio with the DS3881/DS3882
CCFL Controllers

Abstract: This application note describes how CCFL lamps can be dimmed and how a user can maximize the
dimming ratio of a CCFL inverter by using the DS3881 and DS3882 CCFL controllers. The note offers guidelines
for practical implementations in automotive, industrial, and avionic applications.


Introduction

The DS3881 and DS3882 are controllers for cold-cathode fluorescent lamps (CCFLs) that backlight liquid crystal
displays (LCDs) in automotive, industrial, and avionic applications. These design systems often require a wide
dimming ratio. An exa……
标签:MaximCCFLLCDAutomotiveDisplaysDimmingRatiocoldcathodefluorescentlamp
如何实现与DS3881/DS3882 CCFL控制器的300:1调光比
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