L7805CD2T中文资料

L7800SERIESPOSITIVEVOLTAGEREGULATORSJanuary1997nOUTPUTCURRENTUPTO1.5AnOUTPUTVOLTAGESOF5;5.2;6;8;8.5;9;12;15;18;24VnTHERMALOVERLOADPROTECTIONnSHORTCIRCUITPROTECTIONnOUTPUTTRANSITIONSOAPROTECTIONDESCRIPTIONTheL7800seriesofthree-terminalpositiveregulatorsisavailableinTO-220ISOWATT220TO-3andD2PAKpackagesandseveralfixedoutputvoltages,makingitusefulinawiderangeofapplications.Theseregulatorscanprovidelocalon-cardregulation,eliminatingthedistributionproblemsassociatedwithsinglepointregulation.Eachtypeemploysinternalcurrentlimiting,thermalshut-downandsafeareaprotection,makingitessentiallyindestructible.Ifadequateheatsinkingisprovided,theycandeliverover1Aoutputcurrent.Althoughdesignedprimarilyasfixedvoltageregulators,thesedevicescanbeusedwithexternalcomponentstoobtainadjustablevoltagesandcurrents.12TO-3123TO-220ISOWATT22012313D2PAKBLOCKDIAGRAM1/25CONNECTIONDIAGRAMANDORDERINGNUMBERS(topview)TO-220&ISOWATT220TO-3D2PAKTHERMALDATASymbolParameterD2PAKTO-220ISOWATT220TO-3UnitRthj-caseRthj-ambThermalResistanceJunction-caseMaxThermalResistanceJunction-ambientMax362.5350460435oC/WoC/WTypeTO-220D2PAK(*)ISOWATT220TO-3OutputVoltageL7805L7805CL7852CL7806L7806CL7808L7808CL7885CL7809CL7812L7812CL7815L7815CL7818L7818CL7820L7820CL7824L7824CL7805CVL7852CVL7806CVL7808CVL7885CVL7809CVL7812CVL7815CVL7818CVL7820CVL7824CVL7805CD2TL7852CD2TL7806CD2TL7808CD2TL7885CD2TL7809CD2TL7812CD2TL7815CD2TL7818CD2TL7820CD2TL7824CD2TL7805CPL7852CPL7806CPL7808CPL7885CPL7809CPL7812CPL7815CPL7818CPL7820CPL7824CPL7805TL7805CTL7852CTL7806TL7806CTL7808TL7808CTL7885CTL7809CTL7812TL7812CTL7815TL7815CTL7818TL7818CTL7820TL7820CTL7824TL7824CT5V5V5.2V6V6V8V8V8.5V9V12V12V15V15V18V18V20V20V24V24V(*)AVAILABLEINTAPEANDREELWITH”-TR”SUFFIXABSOLUTEMAXIMUMRATINGSSymbolParameterValueUnitViDCInputVoltage(forVO=5to18V)(forVO=20,24V)3540VVIoOutputCurrentInternallylimitedPtotPowerDissipationInternallylimitedTopOperatingJunctionTemperatureRange(forL7800)(forL7800C)-55to1250to150oCoCTstgStorageTemperatureRange-40to150oCL78002/25APPLICATIONCIRCUITSCHEMATICDIAGRAML78003/25TESTCIRCUITSFigure3:RippleRejection.Figure2:LoadRegulation.Figure1:DCParameterL78004/25ELECTRICALCHARACTERISTICSFORL7806(refertothetestcircuits,Tj=-55to150oC,Vi=15V,Io=500mA,Ci=0.33μF,Co=0.1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC5.7566.25VVoOutputVoltageIo=5mAto1APo≤15WVi=9to21V5.6566.35VΔVo*LineRegulationVi=8to25VTj=25oCVi=9to13VTj=25oC6030mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC10030mVmVIdQuiescentCurrentTj=25oC6mAΔIdQuiescentCurrentChangeIo=5to1000mA0.5mAΔIdQuiescentCurrentChangeVi=9to25V0.8mAΔVoΔTOutputVoltageDriftIo=5mA0.7mV/oCeNOutputNoiseVoltageB=10Hzto100KHzTj=25oC40μV/VOSVRSupplyVoltageRejectionVi=9to19Vf=120Hz65dBVdDropoutVoltageIo=1ATj=25oC22.5VRoOutputResistancef=1KHz19mΩIscShortCircuitCurrentVi=35VTj=25oC0.751.2AIscpShortCircuitPeakCurrentTj=25oC1.32.23.3AELECTRICALCHARACTERISTICSFORL7805(refertothetestcircuits,Tj=-55to150oC,Vi=10V,Io=500mA,Ci=0.33μF,Co=0.1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC4.855.2VVoOutputVoltageIo=5mAto1APo≤15WVi=8to20V4.6555.35VΔVo*LineRegulationVi=7to25VTj=25oCVi=8to12VTj=25oC315025mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC10025mVmVIdQuiescentCurrentTj=25oC6mAΔIdQuiescentCurrentChangeIo=5to1000mA0.5mAΔIdQuiescentCurrentChangeVi=8to25V0.8mAΔVoΔTOutputVoltageDriftIo=5mA0.6mV/oCeNOutputNoiseVoltageB=10Hzto100KHzTj=25oC40μV/VOSVRSupplyVoltageRejectionVi=8to18Vf=120Hz68dBVdDropoutVoltageIo=1ATj=25oC22.5VRoOutputResistancef=1KHz17mΩIscShortCircuitCurrentVi=35VTj=25oC0.751.2AIscpShortCircuitPeakCurrentTj=25oC1.32.23.3A*Loadandlineregulationarespecifiedatconstantjunctiontemperature.ChangesinVoduetoheatingeffectsmustbetakenintoaccountseparately.Pulcetestingwithlowdutycycleisused.L78005/25ELECTRICALCHARACTERISTICSFORL7812(refertothetestcircuits,Tj=-55to150oC,Vi=19V,Io=500mA,Ci=0.33μF,Co=0.1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC11.51212.5VVoOutputVoltageIo=5mAto1APo≤15WVi=15.5to27V11.41212.6VΔVo*LineRegulationVi=14.5to30VTj=25oCVi=16to22VTj=25oC12060mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC10060mVmVIdQuiescentCurrentTj=25oC6mAΔIdQuiescentCurrentChangeIo=5to1000mA0.5mAΔIdQuiescentCurrentChangeVi=15to30V0.8mAΔVoΔTOutputVoltageDriftIo=5mA1.5mV/oCeNOutputNoiseVoltageB=10Hzto100KHzTj=25oC40μV/VOSVRSupplyVoltageRejectionVi=15to25Vf=120Hz61dBVdDropoutVoltageIo=1ATj=25oC22.5VRoOutputResistancef=1KHz18mΩIscShortCircuitCurrentVi=35VTj=25oC0.751.2AIscpShortCircuitPeakCurrentTj=25oC1.32.23.3AELECTRICALCHARACTERISTICSFORL7808(refertothetestcircuits,Tj=-55to150oC,Vi=14V,Io=500mA,Ci=0.33μF,Co=0.1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC7.788.3VVoOutputVoltageIo=5mAto1APo≤15WVi=11.5to23V7.688.4VΔVo*LineRegulationVi=10.5to25VTj=25oCVi=11to17VTj=25oC8040mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC10040mVmVIdQuiescen