AAP6030A_1p1

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AAP6030AProprietaryInformationDONOTDistribute13AWide-InputStep-DownDC-DCConverterwithCC/CVControlFEATURESWide9.5Vto40VInputVoltageRangeCapableofDelivering3AOutputCurrentHighEfficiency:Upto94%OutputVoltageAdjustableFrom1.2Vto15VProgrammableCurrentLimitFrom1.5Ato3ACV/CCControlInternalSoft-StartOutputCableCompensation220kHzSwitchingFrequencyCycle-by-CycleCurrentLimitThermalshutdownandUVLOOutputOVPAvailableinSOP-8EPPackageORDERINGINFORMATIONAPPLICATIONSCarCharger/AdaptorRechargeablePortableDevicesBatteryChargerDESCRIPTIONTheAAP6030isawide-inputvoltage,high-efficiency,DCtoDCstep-downswitchingregulatorwithconstantcurrentandconstantvoltagemodes,capableofdeliveringupto3Aofoutputcurrent.Thedeviceoperatesfromaninputvoltagerangeof9.5Vto40Vandprovidesanoutputvoltagefrom1.2Vto15V.AAP6030ishousedinaSOP-8EPPackage.OrderInformationTopMarkingAAP6030ASW8ExtensionPackageTypePinCountCodeES:SOP-8L-EPAAP6030APartNumberXJXXXXDayMonthYearWaferversioncodeAssemblyhousecodeProductioncodeTYPICALAPPLICATIONAAP6030AProprietaryInformationDONOTDistribute2PINCONFIGURATIONABSOLUTEMAXIMUMRATINGS(Note:Exceedingtheselimitsmaydamagethedevice.Exposuretoabsolutemaximumratingconditionsforlongperiodsmayaffectdevicereliability.)VINVoltage...............................–0.3Vto40VSWVoltage…………………...–1.0Vto(VIN+1)VBSTVoltage………………….….(VSW-0.3)Vto(VSW+6)VFB,EN,ISET,COMPVoltage………………………..-0.3Vto6VOperatingTemperatureRange…............–40°Cto150°CStorageTemperatureRange…………….…–55°Cto150°CESDRatingHBM(HumanBodyMode)……………………2KVMM(MachineMode)……………………200VPINDESCRIPTIONPIN#NAMEDESCRIPTION1BSTBoostpin.Connecta22nFcapacitorfromBSTpintoSWpin.Thisprovidespowersupplytotheintegratedhigh-sideNMOSFETgatedriver.2VINInput3SWInductorConnection.ConnectaninductorBetweenSWandtheregulatoroutput.4GNDGround.ConnectthispintothePCBground.5FBFeedbackInput.6COMPConnectthispintoaresistorandcapacitornetworktocompensatetheconverter.7ENEnableInput.Connectthispintoalogic-high(1.7V)orleaveunconnectedtoenabletheIC.ConnectthispintoGNDtodisabletheICandentershutdownmode.8ISETConstantCurrentSettingPin.Connectacurrent-settingresistorfromISETtoGND.Note:Connecttheexposedpadofthepackagetoalargegroundcopperarea.AAP6030AProprietaryInformationDONOTDistribute3ELECTRICALCHACRACTERISTICS(VIN=20V,unlessotherwisespecified.TypicalvaluesareatTA=25°C.)PARAMETERCONDITIONSMINTYPMAXUNITSInputVoltageRange9.540VInputUVLOVINrising9.1VInputUVLOHysteresisVINfalling1.0VInputSupplyCurrentVEN=5V,VFB=1V1.4mAVEN=5V,VOUT=5V,Noload3.0mAVINShutdownCurrentVEN=0V95120μAFBFeedbackVoltage784800816mVFBInputCurrent100nAInternalSoft-StartTime550μSErrorAmpTransconductance650μA/VErrorAmplifierDCGain8000V/VSwitchingFrequency220KhzFoldbackSwitchingFrequencyVFB=0V34KhzMaximumDutyCycle858891%MinimumOn-Time210nsCOMPtoCurrentLimitTransconductance5.5A/VCurrentLimitDuty=DMAX4.5AISETVoltage11.1ENEnableThresholdVoltageENVoltagerising1.66VENHysteresis120mVENPull-UpCurrentVEN=0V5.5μASWLeakageCurrentVEN=VSW=0V110μAHigh-SideRDSON0.15ΩOverTemperatureShutdownTemperatureRising150°COverTemperatureShutdownHysteresisTemperatureFalling20°CAAP6030AProprietaryInformationDONOTDistribute4TYPICALCHARACTERISTICS(TypicalvaluesareatTA=25°Cunlessotherwisespecified)LoadTransientSoft-StartfromENVOUTShortVOUTShortRecover6065707580859095100200700120017002200Efficiencyvs.LoadCurrentLoadCurrent(mA)Efficiency(%)Vin=12VVin=24VCCCurrentvs.InputVoltage1600180020002200240026002800300010152025303540Vin(V)CCCurrent(mA)AAP6030AProprietaryInformationDONOTDistribute5BLOCKDIAGRAMDETAILDESCRIPTIONTheAAP6030isanon-synchronouscurrent-modeDC-to-DCstep-downbuckconverterwithdual-loop(constantcurrentandconstantvoltage)control.LoopOperationWheninnormaloperation,therisingedgeoftheoscillatorclockturnsontheHigh-SidePowerSwitchstartingaswitchingcycle.SWpinnowconnectstoVINandtheinductorseesavoltageof(VIN-VOUT),thisvoltagewillrampuptheinductorcurrent.Thepeakinductorcurrentissensedbythecurrentsenseamplifierandaddedaslop-SwitchingFrequencyvs.FeedbackVoltage0501001502002500200400600800FBVoltage(mV)SwitchingFreq.(kHz)SwitchingFrequencyvs.InputVoltage10012014016018020022024010152025303540InputVoltage(V)SwitchingFreq.(kHz)AAP6030AProprietaryInformationDONOTDistribute6compensationrampvoltage.WhenthissummedvoltagereachestheCOMPpinvoltage,thePWMcomparatortriggersthelogictoturnofftheHigh-SidePowerSwitch.TheSWvoltagewillswingtowardstheGroundandwillbecaughtbythecatchingdiode(about-0.4V).Atthispoint,theinductorisappliedareversevoltageof(VOUT+0.3V)whichwillrampdowntheinductorcurrent.Theenergyisthereforetransferredtotheoutput.Thisfinishesaswitchingcycleandtheoperationcontinuestothenextcyclewhentheoscillatorclockrisingedgecomesagain.Whentheloadcurrentislessthanthecurrent-limitsetbytheISETresistor,theAAP6030willregulatetheoutputvoltageandoperatesintheconstantvoltagemode(CVmode).Iftheloadcurrentincreasedbeyondtheconstantcurrent-limitsetbytheISETpinresistor,thentheoutputvoltagewilldecreaseandtheAAP6030enterstheconstantcurrent(CCmode)operation.Theon-chiposcillatorclockswitchesat220kHznormall

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