ThePW5200A/PW5200Cishighefficiencysynchronous,PWMstep-upDC/DCconvertersoptimizedtoprovideahighefficientsolutiontomediumpowersystems.Thedevicesworkwitha1.4MHzfixedfrequencyswitching.Thesefeaturesminimizeoverallsolutionfootprintbyallowingtheuseoftiny,lowprofileinductorsandceramiccapacitors.AutomaticPWM/PFMmodeswitchingatlightloads***espowerandimprovesefficiency.ThePW5200A/PW5200Ciscapableofsupplyinganoutputvoltagebetween2.5Vand5V,theinternalsynchronousswitchisdesiredtoprovidehighefficiencywithoutSchottky.FEATURESUpto94%EfficiencyShut-downCurrent:<1μALoadCurrent:upto500mAInputVoltage：PW5200A:1Vto4.4V，PW5200C:2Vto4.4VOutputVoltage:2.5Vto5V(upto5VwithSchottky)LowSwitchOnResistance***(ON),InternalSwitch:0.35Ω1.4MHzFixedFrequencySwitchingAutomaticPWM/PFMModeSwitchingLowProfileSOT-23-6LPackageAPPLICATI***DigitalcamerasandMP3Palmtopcomputers/PDAsCellularphonesWirelesshandsetsandDSLmodemsPCca***Portablemediaplayers)