L7915C中文资料

L7900SERIESNEGATIVEVOLTAGEREGULATORSNovember1999nOUTPUTCURRENTUPTO1.5AnOUTPUTVOLTAGESOF-5;-5.2;-6;-8;-9;-12;-15;-18;-20;-22;-24VnTHERMALOVERLOADPROTECTIONnSHORTCIRCUITPROTECTIONnOUTPUTTRANSITIONSOAPROTECTIONDESCRIPTIONTheL7900seriesofthree-terminalnegativeregulatorsisavailableinTO-220,ISOWATT220TO-3andD2PAKpackagesandseveralfixedoutputvoltages,makingitusefulinawiderangeofapplications.Theseregulatorscanprovidelocalon-cardregulation,eliminatingthedistributionproblemsassociatedwithsinglepointregulation;furthermore,havingthesamevoltageoptionastheL7800positivestandardseries,theyareparticularlysuitedforsplitpowersupplies.Inaddition,the-5.2VisalsoavailableforECLsystem.Ifadequateheatsinkingisprovided,theycandeliverover1.5Aoutputcurrent.Althoughdesignedprimarilyasfixedvoltageregulators,thesedevicescanbeusedwithexternalcomponentstoobtainadjustablevoltagesandcurrents.12TO-3TO-220ISOWATT22012313D2PAKSCHEMATICDIAGRAM1/13CONNECTIONDIAGRAMANDORDERINGNUMBERS(topview)TO-220&ISOWATT220TO-3D2PAKTHERMALDATASymbolParameterD2PAKTO-220ISOWATT220TO-3UnitRthj-caseRthj-ambThermalResistanceJunction-caseMaxThermalResistanceJunction-ambientMax362.5350460435oC/WoC/WTypeTO-220D2PAK(*)ISOWATT220TO-3OutputVoltageL7905CL7952CL7906CL7908CL7912CL7915CL7918CL7920CL7922CL7924CL7905CVL7952CVL7906CVL7908CVL7912CVL7915CVL7918CVL7920CVL7922CVL7924CVL7905CD2TL7952CD2TL7906CD2TL7908CD2TL7912CD2TL7915CD2TL7918CD2TL7920CD2TL7922CD2TL7924CD2TL7905CPL7906CPL7908CPL7912CPL7915CPL7918CPL7920CPL7924CPL7905CTL7952CTL7906CTL7908CTL7912CTL7915CTL7918CTL7920CTL7922CTL7924CT-5V-5.2V-6V-8V-12V-15V-18V-20V-22V-24V(*)AVAILABLEINTAPEANDREELWITH”-TR”SUFFIXABSOLUTEMAXIMUMRATINGSSymbolParameterValueUnitViDCInputVoltage(forVO=5to18V)(forVO=20,24V)-35-40VVIoOutputCurrentInternallylimitedPtotPowerDissipationInternallylimitedTopOperatingJunctionTemperatureRange0to150oCTstgStorageTemperatureRange-65to150oCAPPLICATIONCIRCUITL79002/13*Loadandlineregulationarespecifiedatconstantjunctiontemperature.ChangesinVoduetoheatingeffectsmustbetakenintoaccountseparately.Pulcetestingwithlowdutycycleisused.ELECTRICALCHARACTERISTICSFORL7905C(refertothetestcircuits,Tj=0to150oC,Vi=-10V,Io=500mA,Ci=2.2μF,Co=1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC-4.8-5-5.2VVoOutputVoltageIo=-5mAto-1APo≤15WVi=8to20V-4.75-5-5.25VΔVo*LineRegulationVi=-7to-25VTj=25oCVi=-8to-12VTj=25oC10050mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC10050mVmVIdQuiescentCurrentTj=25oC3mAΔIdQuiescentCurrentChangeIo=5to1000mA0.5mAΔIdQuiescentCurrentChangeVi=-8to-25V1.3mAΔVoΔTOutputVoltageDriftIo=5mA-0.4mV/oCeNOutputNoiseVoltageB=10Hzto100KHzTj=25oC100μVSVRSupplyVoltageRejectionΔVi=10Vf=120Hz5460dBVdDropoutVoltageIo=1ATj=25oCΔVO=100mV1.4VIscShortCircuitCurrent2.1AIscpShortCircuitPeakCurrentTj=25oC2.5AELECTRICALCHARACTERISTICSFORL7952C(refertothetestcircuits,Tj=0to150oC,Vi=-10V,Io=500mA,Ci=2.2μF,Co=1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC-5.0-5.2-5.4VVoOutputVoltageIo=-5mAto-1APo≤15WVi=-9to-21V-4.95-5.2-5.45VΔVo*LineRegulationVi=-8to-25VTj=25oCVi=-9to-12VTj=25oC10552mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC10552mVmVIdQuiescentCurrentTj=25oC3mAΔIdQuiescentCurrentChangeIo=5to1000mA0.5mAΔIdQuiescentCurrentChangeVi=-9to-25V1.3mAΔVoΔTOutputVoltageDriftIo=5mA-0.5mV/oCeNOutputNoiseVoltageB=10Hzto100KHzTj=25oC125μVSVRSupplyVoltageRejectionΔVi=10Vf=120Hz5460dBVdDropoutVoltageIo=1ATj=25oCΔVO=100mV1.4VIscShortCircuitCurrent2AIscpShortCircuitPeakCurrentTj=25oC2.5AL79003/13*Loadandlineregulationarespecifiedatconstantjunctiontemperature.ChangesinVoduetoheatingeffectsmustbetakenintoaccountseparately.Pulcetestingwithlowdutycycleisused.ELECTRICALCHARACTERISTICSFORL7906C(refertothetestcircuits,Tj=0to150oC,Vi=-11V,Io=500mA,Ci=2.2μF,Co=1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC-5.75-6-6.25VVoOutputVoltageIo=-5mAto-1APo≤15WVi=-9.5to-21.5V-5.7-6-6.3VΔVo*LineRegulationVi=-8.5to-25VTj=25oCVi=-9to-15VTj=25oC12060mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC12060mVmVIdQuiescentCurrentTj=25oC3mAΔIdQuiescentCurrentChangeIo=5to1000mA0.5mAΔIdQuiescentCurrentChangeVi=-9.5to-25V1.3mAΔVoΔTOutputVoltageDriftIo=5mA-0.6mV/oCeNOutputNoiseVoltageB=10Hzto100KHzTj=25oC144μVSVRSupplyVoltageRejectionΔVi=10Vf=120Hz5460dBVdDropoutVoltageIo=1ATj=25oCΔVO=100mV1.4VIscShortCircuitCurrent2AIscpShortCircuitPeakCurrentTj=25oC2.5AELECTRICALCHARACTERISTICSFORL7908C(refertothetestcircuits,Tj=0to150oC,Vi=-14V,Io=500mA,Ci=2.2μF,Co=1μFunlessotherwisespecified)SymbolParameterTestConditionsMin.Typ.Max.UnitVoOutputVoltageTj=25oC-7.7-8-8.3VVoOutputVoltageIo=-5mAto-1APo≤15WVi=-11.5to-23V-7.6-8-8.4VΔVo*LineRegulationVi=-10.5to-25VTj=25oCVi=-11to-17VTj=25oC16080mVmVΔVo*LoadRegulationIo=5to1500mATj=25oCIo=250to750mATj=25oC16080mVmVIdQuiescentCurrentTj=25oC3mAΔIdQuiescentCurrentChangeIo=5to1000mA0.5mAΔIdQuiescentCurrentChangeVi=-11.5to-25V1.3mAΔVoΔTOutputVoltageDriftIo=5mA-0.6mV/oCeNOutp