标签: ce9908-en-11

CE9908-EN-11HIGHEFFICIENCYSTEP-UPDC/DCCONVERTERCE9908TINYPACKAGEHIGHEFFICIENCYSTEP-UPDC/DCCONVERTERCE9908Featuresvoltageat0.8VDutyratio:66/78%,built-inautoswitchingExternalparts:Coil,capacitor,diode,NMOSHighefficiency：±85%（typ.）OutputvoltageAdjustableProvidingFlexibilityforUsingExternalPowerSwitchesZeroShutdownModeSupplyCurrent6AQuiescent(Switch-off)SupplyCurrentSmallSOT23-5,SOT89-5PackageIntroductionTheCE9908isaCMOSstep-upLowvoltageoperation:OscillationstartswitchingDC/DCconverterthatmainlyconsistsofareferencevoltagesource,anoscillator,andacomparator.TheCE9908allowsthedutyratiotobeautomaticallyswitchedaccordingtotheload(lightload:66%,highoutputcurrent:78%),enablingproductswitha……