HT7660 - CMOS Switched-Capacitor Voltage Converter
DescriptionTheHT72XXseriesofpositive,linearregulatorsfea-tureslowquiescentcurrent(4 Atyp.)withlowdropoutvoltage,makingthemidealforbatteryapplications.Thespace-savingSOT23packageisattractivefor Pocket HandHeld applications.Thedevicesarecapableofsupplying300mAofoutputcurrentcontinuously.Theyareavailablewithseveralfixedoutputvoltagesrangingfrom1.8Vto5.0V.Althoughdesignedprimarilyasfixedvoltageregulators,thesedevicescanbeusedwithexternalcomponentstoobtainvariablevoltagesandcurrents.TheseruggeddeviceshaveThermalShutdownandCurrentLimitingtopreventdevicefailureunderthe Worst ofoperatingconditions.BlockDiagramPinAssignmentPinDescriptionPinNo.PinNameDescriptionSOT23SOT23-5SOT89TO92 3 CEChipenablepin,highenable2533VOUTOutputpin3122VINInputpin1211GNDGroundpin 4 NCNoconnectionAbsoluteMaximumRatings*MaximumSupplyVoltage.upto8.5VStorageTemperature 50 Cto125 COperatingTemperature.. 40 Cto85 CNote:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder AbsoluteMaximumRatings maycausesubstant Features Outputvoltageranges:Fixedrangeof1.8V,2.5V,2.7V,3.0V,3.3V,5.0Vtype. Highlyaccuracy: 2% Lowvoltagedrop:240mV(typ.),VOUT=5.0Vat300mA MaximumInputVoltage:8V Guaranteedoutputcurrent:300mA Lowquiescentcurrent:4 A(typ.) Currentlimiting Over-temperatureshutdown SOT23,SOT23-5,SOT89,TO92PackagesApplicationsPortableelectronics Wirelessdevices Cordlessphones PCperipherals Batterypowereddevices ElectronicscalesGeneralDescriptionTheHT72XXseriesofpositive,linearregulatorsfea-tureslowquiescentcurrent(4 Atyp.)withlowdropoutvoltage,makingthemidealforbatteryapplications.Thespace-savingSOT23packageisattractivefor Pocket HandHeld applications.Thedevicesarecapableofsupplying300mAofoutputcurrentcontinuously.Theyareavailablewithseveralfixedoutputvoltagesrangingfrom1.8Vto5.0V.Althoughdesignedprimarilyasfixedvoltageregulators,thesedevicescanbeusedwithexternalcomponentstoobtainvariablevoltagesandcurrents.TheseruggeddeviceshaveThermalShutdownandCurrentLimitingtopreventdevicefailureunderthe Worst ofoperat specificationisnotimpliedandprolongedexposuret
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181B59, 72C90, 20E90, CTa85, 167F14, 65H130, 200C500, C/WTO92200, 160I8, 63J14, 200B170, C/WSOT89200, 110F45, 55G45, Cto85, 19G17, C/WSOT23-5500, 102D35, 47E155, Cto125
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