TLV.pdf

TLV.pdf

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SLVS139RJULY1996REVISEDSEPTEMBER20051POSTOFFICEBOX655303DALLAS,TEXAS75265?

Low-VoltageOperation.VREF=1.24V?

AdjustableOutputVoltage,VO=VREFto6V?

ReferenceVoltageTolerancesat25?

C0.5%forTLV431B1%forTLV431A1.5%forTLV431?

TypicalTemperatureDrift4mV（0?

Cto70?

C）6mV（40?

Cto85?

C）11mV（40?

Cto125?

C）?

LowOperationalCathodeCurrent.80ATyp?

0.25-TypicalOutputImpedance?

Ultra-SmallSC-70PackageOffers40%SmallerFootprintThanSOT-23-3?

SeeTLVH431andTLVH432forWiderVKA（1.24Vto18V）andIK（80mA）AdditionalSOT-89PackageMultiplePinoutsforSOT-23-3andSOT-89PackagesREFANODECATHODELP（TO-92/TO-226）PACKAGE（TOPVIEW）NCNointernalconnection*ForTLV431,TLV431A:

NCNointernalconnection*ForTLV431B:

LeaveopenorconnecttoANODEDBV（SOT-23-5）PACKAGE（TOPVIEW）12354NC*CATHODEANODEREFDBZ（SOT-23-3）PACKAGE（TOPVIEW）123REFCATHODEANODED（SOIC）PACKAGE（TOPVIEW）12348765REFANODEANODENCCATHODEANODEANODENCDCK（SC-70）PACKAGE（TOPVIEW）123654CATHODENCREFANODENCNCNC-NointernalconnectionrPK（SOT-89）PACKAGE（TOPVIEW）132REFCATHODEANODEANODEdescription/orderinginformationTheTLV431isalow-voltage3-terminaladjustablevoltagereferencewithspecifiedthermalstabilityoverapplicableindustrialandcommercialtemperatureranges.OutputvoltagecanbesettoanyvaluebetweenVREF（1.24V）and6Vwithtwoexternalresistors（seeFigure2）.Thesedevicesoperatefromalowervoltage（1.24V）thanthewidelyusedTL431andTL1431shunt-regulatorreferences.Whenusedwithanoptocoupler,theTLV431isanidealvoltagereferenceinisolatedfeedbackcircuitsfor3-Vto3.3-Vswitching-modepowersupplies.Thesedeviceshaveatypicaloutputimpedanceof0.25.Activeoutputcircuitryprovidesaverysharpturn-oncharacteristic,makingthemexcellentreplacementsforlow-voltageZenerdiodesinmanyapplications,includingon-boardregulationandadjustablepowersupplies.Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsofTexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.Copyright2005,TexasInstrumentsIncorporated?

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SLVS139RJULY1996REVISEDSEPTEMBER20052POSTOFFICEBOX655303DALLAS,TEXAS75265ORDERINGINFORMATIONTJ25?

CVREFTOLERANCEPACKAGEORDERABLEPARTNUMBERTOP-SIDEMARKINGSC-70（DCK）Reelof3000TLV431BCDCKRYE_SC-70（DCK）Reelof250TLV431BCDCKTYE_SOT-23-5（DBV）Reelof3000TLV431BCDBVRY3GUSOT-23-5（DBV）Reelof250TLV431BCDBVTY3GU0.5%SOT-23-3（DBZ）Reelof3000TLV431BCDBZRY3GU0.5%SOT-23-3（DBZ）Reelof250TLV431BCDBZTY3GUSOT-89（PK）Reelof1000TLV431BCPKVETO-92（LP）Bulkof1000TLV431BCLPTV431BTO-92（LP）Reelof2000TLV431BCLPRTV431B0Cto70CSOT-23-5（DBV）Reelof3000TLV431ACDBVRVAHC,YAC_0Cto70CSOT-23-5（DBV）Reelof250TLV431ACDBVTVAHC,YAC_1%SOT-23-3（DBZ）Reelof3000TLV431ACDBZRYAC_1%TO-92（LP）Bulkof1000TLV431ACLPV431ACTO-92（LP）Reelof2000TLV431ACLPRV431ACSOT-23-5（DBV）Reelof3000TLV431CDBVRVAII,Y3I_SOT-23-5（DBV）Reelof250TLV431CDBVTVAII,Y3I_1.5%SOT-23-3（DBZ）Reelof3000TLV431CDBZRY3I_1.5%TO-92（LP）Bulkof1000TLV431CLPV431CTO-92（LP）Reelof2000TLV431CLPRV431CPackagedrawings,standardpackingquantities,thermaldata,symbolization,andPCBdesignguidelinesareavailabletop-sidemarkingonunitspriortoAugust16,2004DBV/DBZ/DCK:

Theactualtop-sidemarkinghasoneadditionalcharacterthatdesignatestheassembly/testsite.?

SLVS139RJULY1996REVISEDSEPTEMBER20053POSTOFFICEBOX655303DALLAS,TEXAS75265ORDERINGINFORMATION（continued）TJ25?

CVREFTOLERANCEPACKAGEORDERABLEPARTNUMBERTOP-SIDEMARKINGSC-70（DCK）Reelof3000TLV431BIDCKRYF_SC-70（DCK）Reelof250TLV431BIDCKTYF_SOT-23-5（DBV）Reelof3000TLV431BIDBVRY3FU0.5%SOT-23-5（DBV）Reelof250TLV431BIDBVTY3FU0.5%SOT-23-3（DBZ）Reelof3000TLV431BIDBZRY3FUSOT-23-3（DBZ）Reelof250TLV431BIDBZTY3FUTO-92（LP）Bulkof1000TLV431BILPTY431BTO-92（LP）Reelof2000TLV431BILPRTY431BSOIC（D）Tubeof75TLV431AIDTY431ASOIC（D）Reelof2500TLV431AIDRTY431ASOT-23-5（DBV）Reelof3000TLV431AIDBVRVAHI,YAI_40Cto85CSOT-23-5（DBV）Reelof250TLV431AIDBVTVAHI,YAI_40Cto85C1%SOT-23-3（DBZ）Reelof3000TLV431AIDBZRYAI_1%SOT-89（PK）Reelof1000TLV431BIPKVFBulkof1000TLV431AILPTO-92（LP）Ammoof2000TLV431AILPMV431AITO-92（LP）Reelof2000TLV431AILPRV431AISOT-23-5（DBV）Reelof3000TLV431IDBVRVAII,Y3I_SOT-23-5（DBV）Reelof250TLV431IDBVTVAII,Y3I_1.5%SOT-23-3（DBZ）Reelof3000TLV431IDBZRY3I_1.5%TO-92（LP）Bulkof1000TLV431ILPV431ITO-92（LP）Reelof2000TLV431ILPRV431ISC-70（DCK）Reelof3000TLV431BQDCKRYG_SC-70（DCK）Reelof250TLV431BQDCKTYG_SOT-23-5（DBV）Reelof3000TLV431BQDBVRY3HUSOT-23-5（DBV）Reelof250TLV431BQDBVTY3HU0.5%SOT-23-3（DBZ）Reelof3000TLV431BQDBZRY3HU40Cto125C0.5%SOT-23-3（DBZ）Reelof250TLV431BQDBZTY3HU40Cto125CSOT-89（PK）Reelof1000TLV431BQPKV6TO-92（LP）Bulkof1000TLV431BQLPTQ431BTO-92（LP）Reelof2000TLV431BQLPRTQ431B1%SOT-89（PK）Reelof1000TLV431AQPKVA1.5%SOT-89（PK）Reelof1000TLV431