最受欢迎升压恒流IC

400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.11FeaturesnWide5Vto32VInputVoltageRangenPositiveorNegativeOutputVoltageProgrammingwithaSingleFeedbackPinnCurrentModeControlProvidesExcellentTransientResponsen1.25VreferenceadjustableversionnFixed400KHzSwitchingFrequencynMaximum4ASwitchingCurrentnSWPINBuiltinOverVoltageProtectionnExcellentlineandloadregulationnENPINTTLshutdowncapabilitynInternalOptimizePowerMOSFETnHighefficiencyupto94%nBuiltinFrequencyCompensationnBuiltinSoft-StartFunctionnBuiltinThermalShutdownFunctionnBuiltinCurrentLimitFunctionnAvailableinTO263-5LpackageApplicationsnEPC/NotebookCarAdapternAutomotiveandIndustrialBoost/Buck-Boost/InvertingConvertersnPortableElectronicEquipmentGeneralDescriptionTheXL6009regulatorisawideinputrange,currentmode,DC/DCconverterwhichiscapableofgeneratingeitherpositiveornegativeoutputvoltages.Itcanbeconfiguredaseitheraboost,flyback,SEPICorinvertingconverter.TheXL6009builtinN-channelpowerMOSFETandfixedfrequencyoscillator,current-modearchitectureresultsinstableoperationoverawiderangeofsupplyandoutputvoltages.TheXL6009regulatorisspecialdesignforportableelectronicequipmentapplications.Figure1.PackageTypeofXL6009400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.12PinConfigurationsFigure2.PinConfigurationofXL6009(TopView)Table1PinDescriptionPinNumberPinNameDescription1GNDGroundPin.2ENEnablePin.DriveENpinlowtoturnoffthedevice,driveithightoturniton.Floatingisdefaulthigh.3SWPowerSwitchOutputPin(SW).4VINSupplyVoltageInputPin.XL6009operatesfroma5Vto32VDCvoltage.BypassVintoGNDwithasuitablylargecapacitortoeliminatenoiseontheinput.5FBFeedbackPin(FB).Throughanexternalresistordividernetwork,FBsensestheoutputvoltageandregulatesit.Thefeedbackthresholdvoltageis1.25V.400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.13FunctionBlockFigure3.FunctionBlockDiagramofXL6009TypicalApplicationCircuitFigure4.XL6009TypicalApplicationCircuit(BoostConverter)400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.14OrderingInformationPartNumberMarkingIDLeadFreeLeadFreePackingTypeXL6009E1XL6009E1TubePackageTemperatureRangeXL6009TRE1XL6009E1Tape&ReelXLSEMIPb-freeproducts,asdesignatedwith“E1”suffixintheparnumber,areRoHScompliant.AbsoluteMaximumRatings（Note1）ParameterSymbolValueUnitInputVoltageVin-0.3to36VFeedbackPinVoltageVFB-0.3toVinVENPinVoltageVEN-0.3toVinVOutputSwitchPinVoltageVOutput-0.3to60VPowerDissipationPDInternallylimitedmWThermalResistance(TO263-5L)(JunctiontoAmbient,NoHeatsink,FreeAir)RJA30ºC/WOperatingJunctionTemperatureTJ-40to125ºCStorageTemperatureTSTG-65to150ºCLeadTemperature(Soldering,10sec)TLEAD260ºCESD(HBM)2000VNote1:StressesgreaterthanthoselistedunderMaximumRatingsmaycausepermanentdamagetothedevice.Thisisastressratingonlyandfunctionaloperationofthedeviceattheseoranyotherconditionsabovethoseindicatedintheoperationisnotimplied.Exposuretoabsolutemaximumratingconditionsforextendedperiodsmayaffectreliability.400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.15XL6009ElectricalCharacteristicsTa=25℃;unlessotherwisespecified.SymbolParameterTestConditionMin.Typ.Max.UnitSystemparameterstestcircuitfigure4VFBFeedbackVoltageVin=12Vto16V,Vout=18VIload=0.1Ato2A1.2131.251.287VEfficiencyŋVin=12V,Vout=18.5VIout=2A-92-%ElectricalCharacteristics(DCParameters)Vin=12V,GND=0V,Vin&GNDparallelconnecta220uf/50Vcapacitor;Iout=0.5A,Ta=25℃;theothersfloatingunlessotherwisespecified.ParametersSymbolTestConditionMin.Typ.Max.UnitInputoperationvoltageVin532VShutdownSupplyCurrentISTBYVEN=0V70100uAQuiescentSupplyCurrentIqVEN=2V,VFB=Vin2.55mAOscillatorFrequencyFosc320400480KhzSwitchCurrentLimitILVFB=04AOutputPowerNMOSRdsonVin=12V,ISW=4A110120mohmENPinThresholdVENHigh(RegulatorON)Low(RegulatorOFF)1.40.8VIHVEN=2V(ON)310uAENPinInputLeakageCurrentILVEN=0V(OFF)310uAMax.DutyCycleDMAXVFB=0V90%XL6009400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.16SchottkyDiodeSelectionTableCurrentSurfaceMountThroughHoleVR(Thesameassystemmaximuminputvoltage)20V30V40V50V60V1A√1N58171N58181N5819√1N58201N58211N5822√MBR320MBR330MBR340MBR350MBR360√SK32SK33SK34SK35SK36√30WQ0330WQ0430WQ05√31DQ0331DQ0431DQ053A√SR302SR303SR304SR305SR306√1N58231N58241N5825√SR502SR503SR504SR505SR506√SB520SB530SB540SB550SB5605A√50WQ0350WQ0450WQ05TypicalSystemApplicationforEPC/NotebookCarAdapter–Boost(Output18.5V/2.5A)Figure5.XL6009TypicalSystemApplication(BoostConverter)XL6009400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.17TypicalSystemApplicationforPortableNotebookCarAdapter–SEPICBuck-BoostTopology(Input10V~30V,Output12V/2A)Figure6.XL6009TypicalSystemApplication(SEPICBuck-BoostConverter)TypicalSystemApplicationforInvertingConverter–SEPICInvertingTopology(Input10V~30V,Output+-12V/1A)Figure7.XL6009TypicalSystemApplication(SEPICInvertingConverter)XL6009400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterRev1.18PackageInformationTO263-5L400KHz60V4ASwitchingCurrentBoost/Buck-Boost/InvertingDC/DCConverterFeatu