TLV.pdf
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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
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