标签: ccfl

液晶显示器LCD、膝上电脑和手持式设备作为桌面电脑显示器正获得众人的认可。电的显示器需要多个大功率冷阴极荧光管(CCFLs)。灯管与其他桌面显示器相比必须具有调光范围和寿命长的特点。LT1768率CCFL控制器具有独特的多模式调光功能，可提供宽调光范围、延长灯管寿命的解决方案。advertisementHighPowerDesktopLCDBacklightControllerSupportsWideDimmingRatiosWhileMaximizingLampLifetime……

背光板之学习总结……

如何降低液晶電視的背光模組成本……

LCD电视背光照明中的设计挑战……

LCDInterface-paralleldigitalvideoisconvertedintoserialdatafortransmittingtotheTFT(ThinFilmTransistor)controllerviatheLVDS(Low-VoltageDifferentialSignaling)transmittersandreceivers.TheLCDdisplayiscontrolledbytheCCFL(Cold-CathodeFluorescentLamp)backlightandtheTFTgate/sourcedrivers.……

LED背光RGB混光设计……

HT46R14在冷阴极萤光灯变换器中的应用……

NXP的UBA2024和UBA2024A的节能荧光灯驱动AN1071318WCFLlampdesignusingUBA2024applicationdevelopmenttoolandapplicationexamplesRev.4―11February2011ApplicationnoteDocumentinformationInfoContentKeywordsUBA2024,CFL,CCFL,integratedhalf-bridgedriverandintegratedswitches,lightingAbstractApplicationnotefortheNXPUBA2024andUBA2024ACFLdriverNXPSemiconductorsAN1071318WCFLlampdesignusingUBA2024withapplicationexamplesRevisionhistoryRevDateDescription0420110211fourthissue03……

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DS3882CCFL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>AppNotes>AUTOMOTIVEKeywords:CCFL,LCD,Automotive,Displays,DimmingRatio,coldcathodefluorescentlampFeb08,2007APPLICATIONNOTE3997HowtoAchievea300:1DimmingRatiowiththeDS3881/DS3882CCFLControllersAbstract:ThisapplicationnotedescribeshowCCFLlampscanbedimmedandhowausercanmaximizethedimmingratioofaCCFLinverterbyusingtheDS3881andDS3882CCFLcontrollers.Thenoteoffersguidelinesforpracticalimplementationsinautomotive,industrial,andavionicapplications.IntroductionTheDS3881andDS3882arecontrollersforcold-cathodefluorescentlamps(CCFLs)thatbacklightliquidcrystaldisplays(LCDs)inautomotive,industrial,andavionicapplications.Thesedesignsystemsoftenrequireawidedimmingratio.Anexa……

要：本应用笔记介绍了在这两个相邻的CCFL灯管都有一个共同的，低压侧灯连接背光LCD应用。这种设计在汽车，工业和航空电子应用。本文介绍如何将DS3882的CCFL控制器可以用来驱动两个CCFL灯管，都有一个共同的返回值。Maxim>AppNotes>AUTOMOTIVEKeywords:CCFL,coldcathodefluorescentlamp,LCD,liquidcrystaldisplay,automotive,infotainment,Jan03,2008navigationAPPLICATIONNOTE4048UseaDS3882CCFLControllertoDriveaTwo-LampCommon-ReturnConfigurationAbstract:ThisapplicationnotedescribesabacklightLCDapplicationinwhichtwoadjacentCCFLlampsshareacommon,low-voltagesidelampconnection.Thisdesignisfoundinautomotive,industrial,andavionicapplications.ThearticledescribeshowaDS3882CCFLcontrollercanbeusedtodrivethetwoCCFLlampsthatshareacommonreturn.IntroductionTheDS3882isatwo-channelcontrollerforcold-cathodefluorescentlamps(CCFL)thatbacklightliquidcrystaldisplays(LCD)inautomotive,industrial,andavionicapplication……

DS3882控制器冷阴极荧光灯（CCFL）是背光的液晶显示器在汽车，工业和航空电子应用（液晶显示器）。在这些应用中，CCFL灯管可以要求高罢工电压。虽然一些系统的设计标准影响罢工电压的，一个标准很容易被修改，增加灯泡罢工电压：灯泡罢工过程中提高工作频率。Maxim>AppNotes>AUTOMOTIVEKeywords:CCFL,cold-cathodefluorescentlamps,LCD,liquidcrystaldisplays,automotiveNov02,2006APPLICATIONNOTE3941WhyandHowtoImplementaFrequencyBoostDuringaCCFLLampStrikeontheDS3881/DS3882Abstract:TheDS3881andDS3882arecontrollersforcold-cathodefluorescentlamps(CCFLs)thatbacklightliquidcrystaldisplays(LCDs)inautomotive,industrial,andavionicapplications.IntheseapplicationstheCCFLlampscanrequireahighstrikevoltage.Whileseveralsystemdesigncriteriaaffectthestrikevoltage,onecriterioniseasilymodifiedtoincreasethelampstrikevoltage:boostingtheoperatingfrequencyduringthelampstrikeprocess.ThisapplicationnotedescribestheneedforincreasingtheCCFLcontrolle……

摘要：DS3994是一个4通道冷阴极荧光灯控制器（CCFL）背光液晶显示器，在电视和电脑显示器应用（液晶显示器）。该设备采用突发调光控制灯的亮度。一个独特的功能允许为每个独立错开的四个通道的突发调光序列的开始。一套四个非易失性寄存器，允许用户编程为每个通道错开。计算器是可以帮助用户确定这些寄存器编程应有的价值。本应用笔记介绍了惊人的突发调光的优势，以及如何访问和使用计算器。Maxim>AppNotes>DISPLAYDRIVERSPOWER-SUPPLYCIRCUITSKeywords:DS3994,CCFL,burstdimming,calculator,cold-cathodefluorescentlamp,LCDSep11,2006APPLICATIONNOTE3898CalculatorSimplifiesProgrammingtheBurstDimmingStaggerontheDS3994Cold-CathodeFluorescentLamp(CCFL)ControllerAbstract:TheDS3994isa4-channelcontrollerforcold-cathodefluorescentlamps(CCFL)thatbacklightliquidcrystaldisplays(LCDs)inTVandPCmonitorapplications.Thedeviceusesburstdimmingtocontrolthebrightnessofthelamps.Auniquefeatureallowsthestartoftheburstdimmingsequenceforeachofthefourchannelstobestaggeredindependently.Asetoffournonvolatileregistersallowstheusertoprogramthestaggerforeachchannel.Ac……

摘要：DS3881和DS3882CCFL控制器，用于汽车，工业和航空电子应用背光液晶面板，需要高的调光比。这些CCFL控制器使用模拟灯电流的振幅调制和数字脉冲宽度的脉冲调光技术，以实现高的调光比。然而，数字PWM脉冲调光，可以创建可见闪烁调光在非常低的水平。本应用笔记介绍了如何消除闪烁。Maxim>AppNotes>AutomotiveDisplayDriversKeywords:CCFL,coldcathodefluorescentlamp,automotive,liquidcrystaldisplay,LCDJan28,2009APPLICATIONNOTE4092HowtoPreventFlickerCausedbyBurstDimmingAbstract:TheDS3881andDS3882CCFLcontrollersareusedinautomotive,industrial,andavionicapplicationstobacklightLCDpanelsthatrequireahighdimmingratio.TheseCCFLcontrollersusebothanaloglamp-currentamplitudemodulationanddigitalpulse-widthburst-dimmingtechniquestoachievethehighdimmingratio.ThedigitalPWMburstdimmingcan,however,createvisibleflickeratverylowdimminglevels.Thisapplicationnotedescribeshowtoeliminatetheflicker.IntroductionTheDS3881andDS3882CCFLcontrollersusebothanaloglamp-cur……

DS3984和DS3988为多通道冷阴极荧光灯(CCFL)控制器。DS3984支持四个通道，DS3988支持八个通道。这些控制器使用推挽式驱动架构，可将直流电源电压转换成驱动CCFL所需的交流高压波形。应用笔记3615介绍了每通道驱动多个CCFL灯管、每个灯管具有独立返回端的方案。本应用笔记说明在将单通道驱动多灯方案中的独立返回端更改成多灯共用返回端时所涉及到的问题。……

TheDS3984andDS3988aremulti-channelCold-CathodeFluorescentLamp(CCFL)controllers.ThekeyvariableindesigninganoptimalsystemwiththeDS3984andDS3988istheselectionofthetransformerturnsratio.ThisapplicationnotedescribeshowthetransformerturnsratiovarieswithdifferentCCFLlampsandDCsupplyvoltagesanditprovidesaquicklook-uptabletohelptheuserquicklyselectatransformerturnsratiothatwillworkwellintheirdesign.……

DS3984,DS3988,DS3881,DS3882,DS3992和DS3994为冷阴极荧光灯(CCFL)控制器，它们使用推挽结构来产生驱动荧光灯所需的高压交流波形。在推挽式驱动器中，升压变压器的寄生电感与n沟道功率MOSFET的寄生输出电容组成了一个谐振回路，能产生不期望的尖峰电压。高压尖峰会增加功率MOSFET承受的应力，同时也会增大系统产生的电磁干扰(EMI)。本应用笔记描述了如何用一个简单的电阻-电容(RC)网络来抑制该尖峰电压。……