LM1117

LM1117800mALow-DropoutLinearRegulatorGeneralDescriptionTheLM1117isaseriesoflowdropoutvoltageregulatorswithadropoutof1.2Vat800mAofloadcurrent.Ithasthesamepin-outasNationalSemiconductor’sindustrystandardLM317.TheLM1117isavailableinanadjustableversion,whichcansettheoutputvoltagefrom1.25Vto13.8Vwithonlytwoex-ternalresistors.Inaddition,itisalsoavailableinthreefixedvoltages,2.85V,3.3V,and5V.TheLM1117offerscurrentlimitingandthermalshutdown.Itscircuitincludesazenertrimmedbandgapreferencetoas-sureoutputvoltageaccuracytowithin±1%.TheLM1117seriesisavailableinSOT-223,TO-220,andTO-252D-PAKpackages.Aminimumof10μFtantalumca-pacitorisrequiredattheoutputtoimprovethetransientre-sponseandstability.FeaturesnAvailablein2.85V,3.3V,5V,andAdjustableVersionsnSpaceSavingSOT-223PackagenCurrentLimitingandThermalProtectionnOutputCurrent800mAnTemperatureRange0˚Cto125˚CnLineRegulation0.2%(Max)nLoadRegulation0.4%(Max)Applicationsn2.85VModelforSCSI-2ActiveTerminationnPostRegulatorforSwitchingDC/DCConverternHighEfficiencyLinearRegulatorsnBatteryChargernBatteryPoweredInstrumentationTypicalApplicationActiveTerminatorforSCSI-2BusDS100919-5FixedOutputRegulatorDS100919-28February1999LM1117800mALow-DropoutLinearRegulator©1999NationalSemiconductorCorporationDS100919˚Cto+125˚C3-leadSOT-223LM1117MPX-ADJN03ATapeandReelMA04ALM1117MPX-2.85N04ATapeandReelLM1117MPX-3.3N05ATapeandReelLM1117MPX-5.0N06ATapeandReel3-leadTO-220LM1117T-ADJLM1117T-ADJRailsT03BLM1117T-2.85LM1117T-2.85RailsLM1117T-3.3LM1117T-3.3RailsLM1117T-5.0LM1117T-5.0Rails3-leadTO-252LM1117DTX-ADJLM1117DT-ADJTapeandReelTD03BLM1117DTX-2.85LM1117DT-2.85TapeandReelLM1117DTX-3.3LM1117DT-3.3TapeandReelLM1117DTX-5.0LM1117DT-5.0TapeandReelBlockDiagramDS100919-1(Note1)IfMilitary/Aerospacespecifieddevicesarerequired,pleasecontacttheNationalSemiconductorSalesOffice/Distributorsforavailabilityandspecifications.MaximumInputVoltage(VINtoGND)LM1117-ADJ,LM1117-3.3,LM1117-5.020VPowerDissipation(Note2)InternallyLimitedJunctionTemperature(TJ)(Note2)150˚CStorageTemperatureRange-65˚Cto150˚CLeadTemperatureTO-220(T)Package260˚C,10secSOT-223(IMP)Package260˚C,4secESDTolerance(Note3)2000VOperatingRatings(Note1)InputVoltage(VINtoGND)LM1117-ADJ,LM1117-3.3,LM1117-5.015VLM1117-2.8510VJunctionTemperatureRange(TJ)(Note2)0˚Cto125˚CElectricalCharacteristicsTypicalsandlimitsappearinginnormaltypeapplyforTJ=25˚C.LimitsappearinginBoldfacetypeapplyovertheentirejunc-tiontemperaturerangeforoperation,0˚Cto125˚C.SymbolParameterConditionsMin(Note5)Typ(Note4)Max(Note5)UnitsVREFReferenceVoltageLM1117-ADJIOUT=10mA,VIN-VOUT=2V,TJ=25˚C10mA≤IOUT≤800mA,1.4V≤VIN-VOUT≤10V1.2381.2251.2501.2501.2621.270VVVOUTOutputVoltageLM1117-2.85IOUT=10mA,VIN=4.85V,TJ=25˚CO≤IOUT≤800mA,4.25V≤VIN≤10VO≤IOUT≤500mA,VIN=4.10V2.8202.7902.7902.8502.8502.8502.8802.9102.910VVVLM1117-3.3IOUT=10mA,VIN=5VTJ=25˚CO≤IOUT≤800mA,4.75V≤VIN≤10V3.2673.2353.3003.3003.3333.365VVLM1117-5.0IOUT=10mA,VIN=7V,TJ=25˚CO≤IOUT≤800mA,6.5V≤VIN≤12V4.9504.9005.0005.0005.0505.100VVΔVOUTLineRegulation(Note6)LM1117-ADJIOUT=10mA,1.5V≤VIN-VOUT≤13.75V0.0350.2%LM1117-2.85IOUT=0mA,4.25V≤VIN≤10V16mVLM1117-3.3IOUT=0mA,4.75V≤VIN≤15V16mVLM1117-5.0IOUT=0mA,6.5V≤VIN≤15V110mVΔVOUTLoadRegulation(Note6)LM1117-ADJVIN-VOUT=3V,10≤IOUT≤800mA0.20.4%LM1117-2.85VIN=4.25V,0≤IOUT≤800mA110mVLM1117-3.3VIN=4.75V,0≤IOUT≤800mA110mVLM1117-5.0VIN=6.5V,0≤IOUT≤800mA115mVVIN-VOUTDropoutVoltage(Note7)IOUT=100mA1.101.20VIOUT=500mA1.151.25VIOUT=800mA1.201.30VILIMITCurrentLimitVIN-VOUT=5V,TJ=25˚C80012001500mAMinimumLoadCurrent(Note8)LM1117-ADJVIN=15V1.75mA(Continued)TypicalsandlimitsappearinginnormaltypeapplyforTJ=25˚C.LimitsappearinginBoldfacetypeapplyovertheentirejunc-tiontemperaturerangeforoperation,0˚Cto125˚C.SymbolParameterConditionsMin(Note5)Typ(Note4)Max(Note5)UnitsQuiescentCurrentLM1117-2.85VIN≤10V510mALM1117-3.3VIN≤15V510mALM1117-5.0VIN≤15V510mAThermalRegulationTA=25˚C,30msPulse0.010.1%/WRippleRegulationfRIPPLE=120Hz,VIN-VOUT=3VVRIPPLE=1VPP6075dBAdjustPinCurrent60120μAAdjustPinCurrentChange10≤IOUT≤800mA,1.4V≤VIN-VOUT≤10V0.25μATemperatureStability0.5%LongTermStabilityTA=125˚C,1000Hrs0.3%RMSOutputNoise(%ofVOUT),10Hz≤f≤10kHz0.003%ThermalResistanceJunction-to-Case3-LeadSOT-2233-LeadTO-2203-LeadTO-25215.03.010˚C/W˚C/W˚C/WThermalResistanceJunction-to-Ambient(Noheatsink;Noairflow)3-LeadSOT-2233-LeadTO-2203-LeadTO-252(Note9)1367992˚C/W˚C/W˚C/WNote1:AbsoluteMaximumRatingsindicatelimitsbeyondwhichdamagetothedevicemayoccur.OperatingRatingsindicateconditionsforwhichthedeviceisin-tendedtobefunctional,butspecificperformanceisnotguaranteed.Forguaranteedspecificationsandthetestconditions,seetheElectricalCharacteristics.Note2:ThemaximumpowerdissipationisafunctionofTJ(max),θJA,andTA.ThemaximumallowablepowerdissipationatanyambienttemperatureisPD=(TJ-(max)–TA)/θJA