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首页 RC1117S33T+.pdf

RC1117S33T+.pdf

RC1117S33T+.pdf

上传者: 银杏树 2012-07-17 评分 0 0 0 0 0 0 暂无简介 简介 举报

简介:本文档为《RC1117S33T+pdf》,可适用于IT/计算机领域,主题内容包含wwwfairchildsemicomREVFeatures•Lowdropoutvoltage•Loadregulation:typical•Tr符等。

wwwfairchildsemicomREVFeatures•Lowdropoutvoltage•Loadregulation:typical•Trimmedcurrentlimit•Onchipthermallimiting•StandardSOT,TO,andTOpackages•ThreeterminaladjustableorfixedV,V,V,VApplications•ActiveSCSIterminators•Highefficiencylinearregulators•Postregulatorsforswitchingsupplies•Batterychargers•VtoVlinearregulators•MotherboardclocksuppliesDescriptionTheRCandRC,,andarelowdropoutthreeterminalregulatorswithAoutputcurrentcapabilityThesedeviceshavebeenoptimizedforlowvoltagewheretransientresponseandminimuminputvoltagearecriticalTheVversionisdesignedspecificallytobeusedinActiveTerminatorsforSCSIbusCurrentlimitistrimmedtoensurespecifiedoutputcurrentandcontrolledshortcircuitcurrentOnchipthermallimitingprovidesprotectionagainstanycombinationofoverloadandambienttemperaturesthatwouldcreateexcessivejunctiontemperaturesUnlikePNPtyperegulatorswhereuptooftheoutputcurrentiswastedasquiescentcurrent,thequiescentcurrentoftheRCflowsintotheload,increasingefficiencyTheRCseriesregulatorsareavailableintheindustrystandardSOT,TO(DPAK),andTO(DPAK)powerpackagesTypicalApplicationsVIN=VVINVOUTADJVatARCµFµFRΩRΩVIN=VVINVOUTGNDVatARCµFµFVOUT=VREF(RR)IAdj•RRCAAdjustableFixedLowDropoutLinearRegulatorPRODUCTSPECIFICATIONRCREVPinAssignments*Withpackagesolderedtosquareinchcopperareaoverbacksidegroundplaneorinternalpowerplane,ΘJAcanvaryfromCWtomorethanCWOthermountingtechniquesmayprovidebetterthermalresistancethanCWAbsoluteMaximumRatingsParameterMinMaxUnitVINVOperatingJunctionTemperatureRangeCStorageTemperatureRangeCLeadTemperature(Soldering,sec)CFrontViewLeadPlasticSOTΘJC=CW*LeadPlasticTOΘJC=CW*TabisVOUTTabisVOUTADJGNDINLeadPlasticTOΘJC=CW*TabisVOUTADJGNDINOUTINOUTADJGNDRCPRODUCTSPECIFICATIONREVElectricalCharacteristicsOperatingConditions:VINV,TJ=CunlessotherwisespecifiedThe•denotesspecificationswhichapplyoverthespecifiedoperatingtemperaturerangeNotes:SeethermalregulationspecificationsforchangesinoutputvoltageduetoheatingeffectsLoadandlineregulationaremeasuredataconstantjunctiontemperaturebylowdutycyclepulsetestingLineandloadregulationareguaranteeduptothemaximumpowerdissipation(W)PowerdissipationisdeterminedbyinputoutputdifferentialandtheoutputcurrentGuaranteedmaximumoutputpowerwillnotbeavailableoverthefullinputoutputvoltagerangeRConlyParameterConditionsMinTypMaxUnitsReferenceVoltage,VREFV(VINVOUT)V,mAIOUTA•()()VOutputVoltagemAIOUTARC,VVINVRC,VVINVRC,VVINVRC,VVINV••••VVVVLineRegulation,(VOUTV)VINV,IOUT=mA•LoadRegulation,(VIN–VOUT)=V,mAIOUTA•DropoutVoltageVREF=,IOUT=A•VCurrentLimit(VIN–VOUT)=V•AAdjustPinCurrent,IAdj•µAAdjustPinCurrentChangeV(VIN–VOUT),mAIOUTA•µAMinimumLoadCurrentV(VIN–VOUT)•mAQuiescentCurrentVIN=VOUTV•mARippleRejectionf=Hz,COUT=µFTantalum,(VIN–VOUT)=V,IOUT=AdBThermalRegulationTA=C,mspulseWTemperatureStability•LongTermStabilityTA=C,hrsRMSOutputNoise(ofVOUT)TA=C,HzfkHzThermalResistance,JunctiontoCaseSOTCWTO,TOCWThermalShutdownJunctionTemperatureCThermalShutdownHysteresisCPRODUCTSPECIFICATIONRCREVTypicalPerformanceCharacteristicsOUTPUTCURRENT(A)JUNCTIONTEMPERATURE(C)JUNCTIONTEMPERATURE(C)JUNCTIONTEMPERATURE(C)DROPOUTVOLTAGE(V)REFERENCEVOLTAGE(V)REFERENCEVOLTAGE(V)ADJUSTPINCURRENT(µA)MINIMUMLOADCURRENT(mA)DROPOUTVOLTAGEDEVIATION()JUNCTIONTEMPERATURE(C)JUNCTIONTEMPERATURE(C)TJ=CTJ=CTJ=CI=AVOUT=VVOUTSETWITHRESISTORSVOUT=VNote:RCOnlyNote:RCOnlyFigureDropoutVoltagevsOutputCurrentFigureLoadRegulationvsTemperatureFigureReferenceVoltagevsTemperatureFigureOutputVoltagevsTemperatureFigureMinimumLoadCurrentvsTemperatureFigureAdjustPinCurrentvsTemperatureRCPRODUCTSPECIFICATIONREVTypicalPerformanceCharacteristics(continued)SHORTCIRCUITCURRENT(A)JUNCTIONTEMPERATURE(C)POWER(W)CASETEMPERATURE(C)SOTRIPPLEREJECTION(dB)FREQUENCY(Hz)KKK(VINVOUT)=V<VRIPPLE<VIOUT=ATOTOFigureShortCircuitCurrentvsTemperatureFigureRippleRejectionvsFrequencyFigureMaximumPowerDissipationPRODUCTSPECIFICATIONRCREVMechanicalDimensionsLeadSOTPackageASymbolInchesMinMaxMinMaxMillimetersNotesABcEeHFFIJDKLMNADeEcHABIJKLMNRCPRODUCTSPECIFICATIONREVMechanicalDimensionsLeadTOPackageDDGAGEPLANENOTES:UNLESSOTHERWISESPECIFIEDA)ALLDIMENSIONSAREINMILLIMETERSB)THISPACKAGECONFORMSTOJEDEC,TO,ISSUECVARIATIONAAAB,DATEDNOVC)DIMENSIONINGANDTOLERANCINGPERASMEY–D)HEATSINKTOPEDGECOULDBEINCHAMFEREDCORNERSOREDGEPROTRUSIONE)DIMENSIONSL,D,EDTABLE:OPTIONAAOPTIONAB––––MINMINMINLDEDMINSEATINGPLANEDETAILA()MAX(ROTATED–SCALEXELMINMINBSEEDETAILAMINMINLANDPATTERNRECOMMENDATIONSEENOTED()ACMMCABPRODUCTSPECIFICATIONRCREVMechanicalDimensionsLeadTOPackageASymbolInchesMinMaxMinMaxMillimetersNotesbbcDBSCEeLαLLRNotes:DimensionsareexclusiveofmoldflashandmetalburrsStandoffheightismeasuredfromleadtipwithreftoDatumBFootlengthismeasuredwithreftoDatumAwithleadsurface(atinnerR)DimensiuonexclusiveofdambarprotrusionorintrusionFormedleadstobeplanarwithrespecttooneanotheratseatingplaceCBSCEPKGHEATSINKDLACLcLR(PLCS)ABEPINbbePRODUCTSPECIFICATIONRCLIFESUPPORTPOLICYFAIRCHILD’SPRODUCTSARENOTAUTHORIZEDFORUSEASCRITICALCOMPONENTSINLIFESUPPORTDEVICESORSYSTEMSWITHOUTTHEEXPRESSWRITTENAPPROVALOFTHEPRESIDENTOFFAIRCHILDSEMICONDUCTORCORPORATIONAsusedherein:Lifesupportdevicesorsystemsaredevicesorsystemswhich,(a)areintendedforsurgicalimplantintothebody,or(b)supportorsustainlife,and(c)whosefailuretoperformwhenproperlyusedinaccordancewithinstructionsforuseprovidedinthelabeling,canbereasonablyexpectedtoresultinasignificantinjuryoftheuserAcriticalcomponentinanycomponentofalifesupportdeviceorsystemwhosefailuretoperformcanbereasonablyexpectedtocausethefailureofthelifesupportdeviceorsystem,ortoaffectitssafetyoreffectivenesswwwfairchildsemicommStock#DSFairchildSemiconductorCorporationDISCLAIMERFAIRCHILDSEMICONDUCTORRESERVESTHERIGHTTOMAKECHANGESWITHOUTFURTHERNOTICETOANYPRODUCTSHEREINTOIMPROVERELIABILITY,FUNCTIONORDESIGNFAIRCHILDDOESNOTASSUMEANYLIABILITYARISINGOUTOFTHEAPPLICATIONORUSEOFANYPRODUCTORCIRCUITDESCRIBEDHEREINNEITHERDOESITCONVEYANYLICENSEUNDERITSPATENTRIGHTS,NORTHERIGHTSOFOTHERSOrderingInformationProductNumberOutputPackageRCDTAdjustableTOintapeandreelRCMAdjustableTORCMTAdjustableTOintapeandreelRCSTAdjustableSOTintapeandreelRCDTvoltTOintapeandreelRCMvoltTORCMTvoltTOintapeandreelRCSTvoltSOTintapeandreelRCMvoltTORCMTvoltTOintapeandreelRCSTvoltSOTintapeandreelRCDTvoltTOintapeandreelRCMvoltTORCMTvoltTOintapeandreelRCSTvoltSOTintapeandreelRCDTvoltTOintapeandreelRCMvoltTORCMTvoltTOintapeandreelRCSTvoltSOTintapeandreel

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