Adjustable Precision Shunt Regulator

The TL431 and TL432 are three-terminal adjustable Shunt Regulators with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage CAN be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors. These devices have a typical output impedance of 0.2 . Active output circuitry provides a very sharp turn-on characteristic, making these devices excellent replacements for Zener Diodes in many applications, such as onboard regulation, adjustable power supplies, and switching power supplies. The TL432 has exactly the same functionality and electrical specifications as the TL431 but has different pinouts for the DBV, DBZ, and PK packages.
Both the TL431 and TL432 devies are offered in three grades, with initial tolerances (at 25C) of 0.5%, 1%, and 2%, for the B, A, and standard grade, respectively. In addition, low output drift vs temperature ensures good stability over the entire temperature range.
The TL43xxC devices are characterized for operation from 0C to 70C, the TL43xxI devices are characterized for operation from ?40C to 85C, and the TL43xxQ devices are characterized for operation from ?40C to 125C.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
TL431IDE4 Texas Instruments 2% Accuracy Adjustable Precision Shunt Regulator 8-SOIC -40 to 85
TL431AIDE4 Texas Instruments 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495V, PDSO8, GREEN, PLASTIC, MS-012AA, SOIC-8
TL431ICDR Texas Instruments 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495V, PDSO8, PLASTIC, SOIC-8
TL431CPS Texas Instruments 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495V, PDSO8, PLASTIC, SO-8
TL431CPKR Texas Instruments 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.495V, PSSO3, GREEN, PLASTIC, SOT-89, 3 PIN
TL431AIDRE4 Texas Instruments 1% Accuracy Adjustable Precision Shunt Regulator 8-SOIC -40 to 85
TL431MFK Texas Instruments 1-OUTPUT TWO TERM VOLTAGE REFERENCE, CQCC20
TL431IDRE4 Texas Instruments Adjustable precision shunt regulator 8-SOIC -40 to 85
TL431ICD Texas Instruments 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495V, PDSO8, PLASTIC, SOIC-8
TL431Y Texas Instruments 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.495V, UUC, DIE
TL431 's PackagesTL431 's pdf datasheet
TL431CD SOIC
TL431CDBVR SOT-23
TL431CDBVRE4 SOT-23
TL431CDBVRG4 SOT-23
TL431CDBVT SOT-23
TL431CDBVTE4 SOT-23
TL431CDBVTG4 SOT-23
TL431CDBZR SOT-23
TL431CDBZRG4 SOT-23
TL431CDBZT SOT-23
TL431CDBZTG4 SOT-23
TL431CDG4 SOIC
TL431CDR SOIC
TL431CDRG4 SOIC
TL431CKTPR
TL431CLP TO-92
TL431CLPB-TDJ TO-92
TL431CLPM TO-92
TL431CLPR TO-92
TL431CP PDIP
TL431CPE4 PDIP
TL431CPK SOT-89
TL431CPKG3 SOT-89
TL431CPSLE SO
TL431CPSR SO
TL431CPSRG4 SO
TL431CPW TSSOP
TL431CPWE4 TSSOP
TL431CPWG4 TSSOP
TL431CPWLE TSSOP
TL431CPWR TSSOP
TL431CPWRE4 TSSOP
TL431CPWRG4 TSSOP
TL431ID SOIC
TL431IDBVR SOT-23
TL431IDBVRE4 SOT-23
TL431IDBVRG4 SOT-23
TL431IDBVT SOT-23
TL431IDBVTE4 SOT-23
TL431IDBVTG4 SOT-23
TL431IDBZR SOT-23
TL431IDBZRG4 SOT-23
TL431IDBZT SOT-23
TL431IDBZTG4 SOT-23
TL431IDG4 SOIC
TL431IDR SOIC
TL431IDRG4 SOIC
TL431ILP TO-92
TL431ILPM TO-92
TL431ILPR TO-92
TL431IP PDIP
TL431IPE4 PDIP
TL431IPK SOT-89
TL431IPKG3 SOT-89
TL431MFKB LCCC
TL431MJG DIP
TL431MJGB DIP
TL431QD SOIC
TL431QDBVR SOT-23
TL431QDBVRE4 SOT-23
TL431QDBVRG4 SOT-23
TL431QDBVT SOT-23
TL431QDBVTE4 SOT-23
TL431QDBVTG4 SOT-23
TL431QDBZR SOT-23
TL431QDBZRG4 SOT-23
TL431QDBZT SOT-23
TL431QDBZTG4 SOT-23
TL431QDCKR SC-70
TL431QDCKRE4 SC-70
TL431QDCKRG4 SC-70
TL431QDCKT SC-70
TL431QDCKTE4 SC-70
TL431QDCKTG4 SC-70
TL431QDE4 SOIC
TL431QDG4 SOIC
TL431QDR SOIC
TL431QDRG4 SOIC
TL431QPK SOT-89
TL431QPKG3 SOT-89




TL431 Pinout, Pinouts
TL431 pinout,Pin out
This is one package pinout of TL431,If you need more pinouts please download TL431's pdf datasheet.

TL431 Application circuits
TL431 circuits
This is one application circuit of TL431,If you need more circuits,please download TL431's pdf datasheet.


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