所需E币: 5
时间: 2019-12-24 20:44
大小: 85.92KB
TheISL97702representsahighefficiency,boostconverterwithintegratedboostFET,boostdiodeandinputdisconnectFET.Adualfeedbackcircuitallowssimpleswitchingbetweentwopre-definedoutputvoltagesusingasinglelogicinput.Withaninputvoltageof2.3Vto5.5VtheISL97702hasanoutputcapabilityofupto50mAat18Vusingintegrated500mAswitches.Efficienciesareupto87%.TheintegratedprotectionFETisusedtodisconnecttheboostinductorfromtheinputsupplywheneveranoutputfaultconditionisdetected,orwhenthedeviceisdisabled.Thisgives0outputcurrentinthedisabledmode,comparedtostandardboostconverterswherecurrentcanstillflowwhenthedeviceisdisabled.UsingtheISL97702OLEDDriverDemoBoardTechnicalBriefJune12,2006TB455.0IntroductionTotestthedemoboard,thefollowingproceduremustbefollowed:ThecompleteschematicoftheISL97702OLEDdriverDemoBoardisshowninFigure1.InordertousethedemoboardShuntJP1toGND.ToenableISL97702boostconverter.properly,itisnecessarytounderstandthepurposeandC……