AP4306B-C-P1.0-071211

CONSTANTVOLTAGEANDCONSTANTCURRENTCONTROLLERAP4306PreliminaryDatasheet1Dec.2007Rev.1.0BCDSemiconductorManufacturingLimitedGeneralDescriptionTheAP4306isahighlyintegratedsolutionforacon-stantvoltage/constantcurrentmodeSMPSapplication.TheAP4306containsone1.21Vvoltagereferencewith±0.5%accuracy,onelowvoltagereferenceusedincurrentsensingcircuitandtwooperationalamplifi-ers.The1.21Vvoltagereference,combinedwithoneoperationalamplifier,makesofanidealvoltagecon-trollerforuseinadaptersandbatterychargers.Thelowvoltagereference,combinedwithanotheropera-tionalamplifier,makesofanidealcurrentlimiterforoutputlowsidecurrentsensing.TheAP4306isfullycompatiblewithAP4305infunctionalityandelectricalcharacteristicsexceptitslowerreferencevoltageforcurrentcontrolloop,thushigherpowerefficiencyinSMPSapplicationssuchaslowpowerchargercanberealizedwithAP4306comparedtoAP4305.TheAP4306isavailableinSOT-23-6package.Features·ConstantVoltageandConstantCurrentControl·PrecisionInternalVoltageReference·LowExternalComponentCount·EasyCompensation·LowSupplyCurrent:0.5mA·OperatingTemperatureRange:-40to105oC·OperatingSupplyVoltage:2.5Vto18VApplications·Adapters·BatteryChargersFigure1.PackageTypeofAP4306SOT-23-6CONSTANTVOLTAGEANDCONSTANTCURRENTCONTROLLERAP4306PreliminaryDatasheet2Dec.2007Rev.1.0BCDSemiconductorManufacturingLimitedFigure2.PinConfigurationofAP4306(TopView)PinDescriptionPinNumberPinNameFunction1VCTRLInputpinofthevoltagecontrolloop.2GNDGround.3VOUTOutputpin.Sinkingcurrentonly.4ICTRLInputpinofthecurrentcontrolloop.5VSENSEInputpinofthecurrentcontrolloop.6VCCPowersupply.PinConfiguration(SOT-23-6)KPackageVCTRLGNDVOUTVCCVSENSEICTRL213456CONSTANTVOLTAGEANDCONSTANTCURRENTCONTROLLERAP4306PreliminaryDatasheet3Dec.2007Rev.1.0BCDSemiconductorManufacturingLimitedFunctionalBlockDiagramFigure3.FunctionalBlockDiagramsofAP4306VCCVOUTGNDVSENSEICTRLCircuitTypePackageK:SOT-23-6E1:LeadFreeBlank:TinLeadAP4306-TR:TapeandReelOrderingInformationVCTRLBCDSemiconductor'sPb-freeproducts,asdesignatedwithE1suffixinthepartnumber,areRoHScompliant.PackageVersionPartNumberMarkingIDPackingTypeLeadFreeLeadFreeSOT-23-6100mVVSENSEAP4306BKTR-E1E7MTape&Reel150mVVSENSEAP4306CKTR-E1E7NTape&ReelVersionB:100mVVSENSEC:150mVVSENSE4521361.210VForB,CVersionCONSTANTVOLTAGEANDCONSTANTCURRENTCONTROLLERAP4306PreliminaryDatasheet4Dec.2007Rev.1.0BCDSemiconductorManufacturingLimitedParameterSymbolValueUnitPowerSupplyVoltageVCC20VInputVoltageVIN-0.3toVCCVJunctionTemperatureTJ150oCStorageTemperatureTSTG-65to150oCLeadTemperature(Soldering,5sec)TLEAD260oCThermalResistance(JunctiontoAmbient)ForSOT-23-6RθJA250oC/WNote1:StressesgreaterthanthoselistedunderAbsoluteMaximumRatingsmaycausepermanentdamagetothedevice.Thesearestressratingsonly,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderRecommendedOperatingConditionsisnotimplied.ExposuretoAbsoluteMaximumRatingsforextendedperiodsmayaffectdevicereliability.ParameterSymbolMinMaxUnitPowerSupplyVoltageVCC2.518VOperatingTemperatureRangeTA-40105oCRecommendedOperatingConditionsAbsoluteMaximumRatings(Note1)CONSTANTVOLTAGEANDCONSTANTCURRENTCONTROLLERAP43065Dec.2007Rev.1.0BCDSemiconductorManufacturingLimitedPreliminaryDatasheetParameterSymbolConditionsMinTypMaxUnitTOTALCURRENTCONSUMPTIONTotalSupplyCurrentNotIncludingtheOutputSinkingCurrentICCTA=25oC0.51mA-40oCTA105oC0.6VOLTAGECONTROLLOOPTransconductionGain(VCTRL).SinkCurrentOnlyGmvTA=25oC13.5mA/mV-40oCTA105oC2.5VoltageControlLoopReferenceVREFTA=25oC1.2041.211.216V-40oCTA105oC1.1861.234InputBiasCurrent(VCTRL)IIBVTA=25oC50nA-40oCTA105oC100CURRENTCONTROLLOOPTransconductionGain(ICTRL).SinkCurrentOnlyGmiTA=25oC1.57mA/mV-40oCTA105oC1.57CurrentControlLoopReferenceVSENSEBVersionTA=25oC97100103mV-40oCTA105oC94106CVersionTA=25oC147150153-40oCTA105oC143157CurrentOutofPinICTRLatVSENSEIIBIBVersionTA=25oC25µA-40oCTA105oC50CVersionTA=25oC37.5-40oCTA105oC75OUTPUTSTAGELowOutputVoltageat10mASinkingCurrentVOLTA=25oC100mV-40oCTA105oC100OutputShortCircuitCurrent.OutputtoVCC.SinkCurrentOnlyIOSTA=25oC2750mA-40oCTA105oC35(VCC=5V,TA=25oC,unlessotherwisespecified.)ElectricalCharacteristicsCONSTANTVOLTAGEANDCONSTANTCURRENTCONTROLLERAP4306PreliminaryDatasheet6Dec.2007Rev.1.0BCDSemiconductorManufacturingLimitedTypicalPerformanceCharacteristicsFigure4.AP4306VREFvs.AmbientTemperatureFigure7.AP4306IIBVvs.AmbientTemperature-40-200204060801001201.1851.1901.1951.2001.2051.2101.2151.2201.2251.2301.235VREF(V)AmbientTemperature(oC)2.5VVCC18V-40-20020406080100120145146147148149150151152153154155VSENSE(mV)AmbientTemperature(oC)VCC=2.5VVCC=5VVCC=18VFigure6.AP4306CVSENSEvs.AmbientTemperature-40-200204060801001209596979899100101102103104105VSENSE(mV)AmbientTemperature(oC)VCC=2.5VVCC=5VVCC=18VFigure5.AP4306BVSENSEvs.AmbientTemperature-40-20020406080100120020406080IBV(nA)AmbientTemperature(oC)VCC=2.5VVCC=5VVCC=18VCONSTANTVOLTAGEANDCONSTANTCURRENTCONTROLLERAP4306PreliminaryDatasheet7Dec.2007Rev.1.0BCDSemiconductorManufacturingLimitedTypicalPerformanceCharacteristics(Continued)Figure5.AP4306BIIBIvs.Ambi