TL431datasheet.pdf
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- 上传时间:2022-11-20
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TL431datasheet.pdf
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SLVS543JAUGUST2004REVISEDDECEMBER20051POSTOFFICEBOX655303DALLAS,TEXAS75265?
OperationFrom40Cto125C?
ReferenceVoltageToleranceat25C0.5%.BGrade1%.AGrade2%.StandardGrade?
TypicalTemperatureDrift(TL431B)6mV(CTemp)14mV(ITemp,QTemp)?
LowOutputNoise?
0.2-TypicalOutputImpedance?
Sink-CurrentCapability.1mAto100mA?
AdjustableOutputVoltage.Vrefto36V12348765CATHODEANODEANODENCREFANODEANODENCTL431,TL431A,TL431B.D(SOIC)PACKAGE(TOPVIEW)12348765CATHODENCNCNCREFNCANODENCTL431,TL431A,TL431B.P(PDIP),PS(SOP),ORPW(TSSOP)PACKAGE(TOPVIEW)NCNointernalconnectionTL431,TL431A,TL431B.DBV(SOT-23-5)PACKAGE(TOPVIEW)12354NCCATHODEANODEREFTL431,TL431A,TL431B.PK(SOT-89)PACKAGE(TOPVIEW)REFANODECATHODEPin2isattachedtoSubstrateandmustbeconnectedtoANODEorleftopen.NCNointernalconnectionTL432,TL432A,TL432B.DBV(SOT-23-5)PACKAGE(TOPVIEW)12354NCANODENCREFCATHODENCNointernalconnectionTL431,TL431A,TL431B.DBZ(SOT-23-3)PACKAGE(TOPVIEW)TL432,TL432A,TL432B.DBZ(SOT-23-3)PACKAGE(TOPVIEW)NCNointernalconnection123REFCATHODEANODE123CATHODEREFANODEANODETL432,TL432A,TL432B.PK(SOT-89)PACKAGE(TOPVIEW)REFANODECATHODEANODECopyright2005,TexasInstrumentsIncorporatedPleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.PowerFLEXisatrademarkofTexasInstruments.?
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SLVS543JAUGUST2004REVISEDDECEMBER20052POSTOFFICEBOX655303DALLAS,TEXAS75265CATHODEANODEREFTL431.KTP(PowerFLEX?
/TO-252)PACKAGE(TOPVIEW)ANODETL431A,TL431B.DCK(SC-70)PACKAGE(TOPVIEW)123654CATHODENCREFANODENCNCNCNointernalconnectionTL431,TL431A,TL431B.LP(TO-92/TO-226)PACKAGE(TOPVIEW)CATHODEANODEREFdescription/orderinginformationTheTL431andTL432arethree-terminaladjustableshuntregulators,withspecifiedthermalstabilityoverapplicableautomotive,commercial,andmilitarytemperatureranges.TheoutputvoltagecanbesettoanyvaluebetweenVref(approximately2.5V)and36V,withtwoexternalresistors(seeFigure17).Thesedeviceshaveatypicaloutputimpedanceof0.2.Activeoutputcircuitryprovidesaverysharpturn-oncharacteristic,makingthesedevicesexcellentreplacementsforZenerdiodesinmanyapplications,suchasonboardregulation,adjustablepowersupplies,andswitchingpowersupplies.TheTL432hasexactlythesamefunctionalityandelectricalspecificationsastheTL431,buthasdifferentpinoutsfortheDBV,DBZ,andPKpackages.BoththeTL431andTL432devicesareofferedinthreegrades,withinitialtolerances(at25C)of0.5%,1%,and2%,fortheB,A,andstandardgrade,respectively.Inaddition,lowoutputdriftvstemperatureensuresgoodstabilityovertheentiretemperaturerange.TheTL43xxCdevicesarecharacterizedforoperationfrom0Cto70C,theTL43xxIdevicesarecharacterizedforoperationfrom40Cto85C,andtheTL43xxQdevicesarecharacterizedforoperationfrom40Cto125C.PREVIEW?
SLVS543JAUGUST2004REVISEDDECEMBER20053POSTOFFICEBOX655303DALLAS,TEXAS75265VrefTOLERANCE(25C)=2%TL431,TL432ORDERINGINFORMATIONTAPACKAGEORDERABLEPARTNUMBERTOP-SIDEMARKINGPDIP(P)Tubeof50TL431CPTL431CPSOIC(D)Tubeof75TL431CDTL431CSOIC(D)Reelof2500TL431CDRTL431CSOP(PS)Reelof2000TL431CPSRT431Reelof3000TL431CDBVRT3C_SOT-23-5(DBV)Reelof250TL431CDBVTT3C_SOT-23-5(DBV)Reelof3000TL432CDBVRT4C_Reelof250TL432CDBVTT4C_Reelof3000TL431CDBZRT3C_SOT-23-3(DBZ)Reelof250TL431CDBZTT3C_0Cto70CSOT-23-3(DBZ)Reelof3000TL432CDBZRT4C_0Cto70CReelof250TL432CDBZTT4C_SOT-89(PK)Reelof1000TL431CPK43SOT-89(PK)Reelof1000TL432CPK2ABulkof1000,straightleadTL431CLPTO-226/TO-92(LP)Ammoof2000,formedleadTL431CLPMTL431CReelof2000,formedleadTL431CLPRTSSOP(PW)Tubeof150TL431CPWT431TSSOP(PW)Reelof2000TL431CPWRT431PDIP(P)Tubeof50TL431IPTL431IPSOIC(D)Tubeof75TL431IDTL431ISOIC(D)Reelof2500TL431IDRTL431IReelof3000TL431IDBVRT3I_SOT-23-5(DBV)Reelof250TL431IDBVTT3I_SOT-23-5(DBV)Reelof3000TL432IDBVRT4I_Reelof250TL432IDBVTT4I_Reelof3000TL431IDBZRT3I_40Cto85CSOT-23-3(DBZ)Reelof250TL431IDBZTT3I_40Cto85CSOT-23-3(DBZ)Reelof3000TL432IDBZRT4I_Reelof250TL432IDBZTT4I_SOT-89(PK)Reelof1000TL431IPK3ISOT-89(PK)Reelof1000TL432IPK2BBulkof1000,straightleadTL431ILPTO-226/TO-92(LP)Ammoof2000,formedleadTL431ILPMTL431IReelof2000,formedleadTL431ILPRPackagedrawings,standardpackingquantities,thermaldata,symbolization,andPCBdesignguidelinesareavailableatactualtop-sidemarkinghasoneadditionalcharacterthatdesignatestheassembly/testsite.?
SLVS543JAUGUST2004REVISEDDECEMBER20054POSTOFFICEBOX655303DALLAS,TEXAS75265VrefTOLERANCE(25C)=2%TL431,TL432ORDERINGINFORMATION(CONTINUED)TAPACKAGEORDERABLEPARTNUMBERTOP-SIDEMARKINGReelof3000TL431QDBVRT3Q_SOT-23-5(DBV)Reelof250TL431QDBVTT3Q_SOT-23-5(DBV)Reelof3000TL432QDBVRT4Q_Reelof250TL432QDBVTT4Q_R
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