ThePW5410Bisalownoise,c***tantfrequency(1.2MHz)switchedcapacitorvoltagedoubler.Itproducesaregulatedoutputvoltagefrom1.8Vto5Vinputwithupto100mAofoutputcurrent.Lowexternalpartscount(oneflyingcapacitorandtwo***allbypasscapacitorsatVINandVOUT)makethePW5410Bideallysuitedfor***all,battery-poweredapplicati***.Thenewcharge-pumparchitecturemaintainsc***tantswitchingfrequencytonoloadandreducesbothoutputandinputripple.ThePW5410Bh***ethermalshutdowncapabilityandcansurviveacontinuousshortcircuitfromVOUTtoGND.Built-insoft-startcircuitrypreventsexcessiveinrushcurrentduringstart-up.FEATURESFixed3.3V&plu***n;4%OutputVINRange:1.8V～5VOutputCurrent:upto250mA(VIN=3V)LowNoiseC***tantFrequencyOperationShutdownCurrent:<1μAShort-CircuitProtectionSoft-startNoInductors***ailableinLowProfile6-LeadSOT-23PackageAPPLICATI***WhiteLEDBacklightingLi-IonBatteryBackupSuppliesLocal3Vto5VConversion***artCardReadersPCMCIALocal5VSupplies)