标签: cathode

lqa20t200c_lqa20n200c200V,20ACommon-CathodeDiode.pdf

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……

摘要：LED文字显示在通信状态信息或经营方向的产品用户是有价值的。然而，7段LED显示器是不能够显示所有的字母。本应用笔记详细显示文字使用两种常见的正极，7段LED显示驱动电路。Maxim>Designsupport>Appnotes>DisplayDrivers>APP1004Keywords:LED,display,shutdown,mux,commoncathode,LEDdriverMar18,2002APPLICATIONNOTE1004MultiplexingShutdownAllowsTexttobeDisplayedBy:TedSalazar,ApplicationsEngineeringManagerAbstract:AnLEDtextdisplayisvaluableincommunicatingstatusinformationoroperatingdirectionstoaproductuser.However,7-segmentLEDdisplaysarenotcapableofdisplayingallthelettersofthealphabet.Thisapplicationnotedetailsacircuitthatdisplaystextusingtwocommon-cathode,7-segment,LED-displaydrivers.Presentingnumbersona7……

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……