支持LCD背光的三路输出LED驱动器

ByintegratingthreeindependentLEDdrivers,theLTR3496offersahighlyefficient,compactandcost-effectivesolutiontodrivemultipleLEDstrings.Allthreedrivershaveindependenton/offandPWMdimmingcontrol,andcandrivedifferentnumbersortypesofLEDs.Highsidecurrentsensingandbuilt-ingatedriversforPMOSLEDdisconnectallowtheLT3496tooperateinbuck,boost,SEPICorbuck-boostmodeswithupto3000:1TrueColorPWM™dimmingratio.TripleLEDDriverin4mm×5mmQFNSupportsLCDBacklightsinBuck,BoostorBuck-BoostModesandDelivers3000:1PWMDimmingRatioDesignNote449Hua(Walker)BaiIntroductionIntegratedPMOSDriversImprovePWMDimmingByintegratingthreeindependentLEDdrivers,theLT3496Ratioto3000:1offersahighlyefcient,compactandcost-effectiveAhighPWMdimmingratioiscriticalinmanydisplaysolutiontodrivemultipleLEDstrings.Allthreedriversapplications,especiallyinhighendLCDpanels.Beware,haveindependenton/offandPWMdimmingcontrol,