TL431A
(ACTIVE) Adjustable Precision Shunt Regulator

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Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
Not Available
TL431ACD ACTIVE 0 to 70 0.14 | 1ku SOIC (D) | 8 View 75 | TUBE >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431ACDBVR ACTIVE 0 to 70 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
TL431ACDBVRE4 ACTIVE 0 to 70 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
TL431ACDBVRG4 ACTIVE 0 to 70 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
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TL431ACDBVT ACTIVE 0 to 70 0.39 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431ACDBVTE4 ACTIVE 0 to 70 0.39 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R 1K - 5K 1k quantity lead time: In stock
Not Available Contact Distributor TL431ACDBVTG4 ACTIVE 0 to 70 Contact Distributor SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Contact TI Distributor or Sales Office
TL431ACDBZR ACTIVE 0 to 70 0.13 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431ACDBZRG4 ACTIVE 0 to 70 0.13 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available
TL431ACDBZT ACTIVE 0 to 70 0.40 | 1ku SOT-23 (DBZ) | 3 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available
TL431ACDBZTG4 ACTIVE 0 to 70 0.40 | 1ku SOT-23 (DBZ) | 3 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
TL431ACDCKR ACTIVE 0 to 70 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor TL431ACDCKRE4 ACTIVE 0 to 70 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Contact Distributor TL431ACDCKRG4 ACTIVE 0 to 70 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
TL431ACDG4 ACTIVE 0 to 70 0.14 | 1ku SOIC (D) | 8 View 75 | TUBE >5K 1k quantity lead time: In stock
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TL431ACDR ACTIVE 0 to 70 0.12 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
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TL431ACDRG4 ACTIVE 0 to 70 0.12 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431ACLP ACTIVE 0 to 70 0.15 | 1ku TO-92 (LP) | 3 View 1000 | BULK >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431ACLPE3 ACTIVE 0 to 70 0.15 | 1ku TO-92 (LP) | 3 View 1000 | BULK >5K 1k quantity lead time: In stock
Not Available
TL431ACLPM ACTIVE 0 to 70 0.12 | 1ku TO-92 (LP) | 3 View 2000 | AMMO >5K 1k quantity lead time: In stock
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TL431ACLPR ACTIVE 0 to 70 0.13 | 1ku TO-92 (LP) | 3 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
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TL431ACP ACTIVE 0 to 70 0.13 | 1ku PDIP (P) | 8 View 50 | TUBE >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office Contact Distributor TL431ACPE4 ACTIVE 0 to 70 0.13 | 1ku PDIP (P) | 8 View 50 | TUBE No Stock Typical lead time for 1k quantity: 4 to 8 weeks
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TL431ACPK ACTIVE 0 to 70 0.16 | 1ku SOT-89 (PK) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431ACPKG3 ACTIVE 0 to 70 0.16 | 1ku SOT-89 (PK) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431ACPSR ACTIVE 0 to 70 0.13 | 1ku SO (PS) | 8 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office Contact Distributor TL431ACPSRE4 ACTIVE 0 to 70 0.13 | 1ku SO (PS) | 8 View 2000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Contact TI Distributor or Sales Office Contact Distributor TL431ACPSRG4 ACTIVE 0 to 70 0.13 | 1ku SO (PS) | 8 View 2000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
TL431ACPW ACTIVE 0 to 70 0.14 | 1ku TSSOP (PW) | 8 View 150 | TUBE >5K 1k quantity lead time: In stock
Not Available Contact Distributor TL431ACPWE4 ACTIVE 0 to 70 0.14 | 1ku TSSOP (PW) | 8 View 150 | TUBE No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor TL431ACPWG4 ACTIVE 0 to 70 0.14 | 1ku TSSOP (PW) | 8 View 150 | TUBE No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Contact TI Distributor or Sales Office
TL431ACPWR ACTIVE 0 to 70 0.12 | 1ku TSSOP (PW) | 8 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office Contact Distributor TL431ACPWRE4 ACTIVE 0 to 70 0.12 | 1ku TSSOP (PW) | 8 View 2000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Contact TI Distributor or Sales Office Contact Distributor TL431ACPWRG4 ACTIVE 0 to 70 0.12 | 1ku TSSOP (PW) | 8 View 2000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
TL431AID ACTIVE -40 to 85 0.13 | 1ku SOIC (D) | 8 View 75 | TUBE >5K 1k quantity lead time: In stock
Not Available
TL431AIDBVR ACTIVE -40 to 85 0.11 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
TL431AIDBVRE4 ACTIVE -40 to 85 0.11 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available Contact Distributor TL431AIDBVRG4 ACTIVE -40 to 85 Contact Distributor SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Contact TI Distributor or Sales Office
TL431AIDBVT ACTIVE -40 to 85 0.38 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIDBVTE4 ACTIVE -40 to 85 0.38 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R 1K - 5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIDBVTG4 ACTIVE -40 to 85 0.38 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R 1K - 5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIDBZR ACTIVE -40 to 85 0.12 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIDBZRG4 ACTIVE -40 to 85 0.12 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
TL431AIDBZT ACTIVE -40 to 85 0.39 | 1ku SOT-23 (DBZ) | 3 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available
TL431AIDBZTG4 ACTIVE -40 to 85 0.39 | 1ku SOT-23 (DBZ) | 3 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
TL431AIDCKR ACTIVE -40 to 85 0.12 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor TL431AIDCKRE4 ACTIVE -40 to 85 0.12 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
TL431AIDCKRG4 ACTIVE -40 to 85 0.12 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor TL431AIDCKT ACTIVE -40 to 85 0.39 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor TL431AIDCKTE4 ACTIVE -40 to 85 0.39 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
TL431AIDCKTG4 ACTIVE -40 to 85 0.39 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available
TL431AIDG4 ACTIVE -40 to 85 0.13 | 1ku SOIC (D) | 8 View 75 | TUBE >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIDR ACTIVE -40 to 85 0.11 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIDRG4 ACTIVE -40 to 85 0.11 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
TL431AILP ACTIVE -40 to 85 0.14 | 1ku TO-92 (LP) | 3 View 1000 | BULK >5K 1k quantity lead time: In stock
Not Available
TL431AILPM ACTIVE -40 to 85 0.11 | 1ku TO-92 (LP) | 3 View 2000 | AMMO >5K 1k quantity lead time: In stock
Not Available
TL431AILPME3 ACTIVE -40 to 85 0.11 | 1ku TO-92 (LP) | 3 View 2000 | AMMO >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AILPR ACTIVE -40 to 85 0.12 | 1ku TO-92 (LP) | 3 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIP ACTIVE -40 to 85 0.12 | 1ku PDIP (P) | 8 View 50 | TUBE >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIPE4 ACTIVE -40 to 85 0.12 | 1ku PDIP (P) | 8 View 50 | TUBE >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIPK ACTIVE -40 to 85 0.15 | 1ku SOT-89 (PK) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AIPKG3 ACTIVE -40 to 85 0.15 | 1ku SOT-89 (PK) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AQDBVR ACTIVE -40 to 125 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor TL431AQDBVRE4 ACTIVE -40 to 125 Contact Distributor SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor TL431AQDBVRG4 ACTIVE -40 to 125 Contact Distributor SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
TL431AQDBVT ACTIVE -40 to 125 0.39 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor TL431AQDBVTE4 ACTIVE -40 to 125 Contact Distributor SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor TL431AQDBVTG4 ACTIVE -40 to 125 Contact Distributor SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
TL431AQDBZR ACTIVE -40 to 125 0.13 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
TL431AQDBZRG4 ACTIVE -40 to 125 0.13 | 1ku SOT-23 (DBZ) | 3 View 3000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available
TL431AQDBZT ACTIVE -40 to 125 0.40 | 1ku SOT-23 (DBZ) | 3 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available
TL431AQDBZTG4 ACTIVE -40 to 125 0.40 | 1ku SOT-23 (DBZ) | 3 View 250 | SMALL T&R 305 For lead times contact TI Authorized Distributor or local TI sales office
TL431AQDCKR ACTIVE -40 to 125 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor TL431AQDCKRE4 ACTIVE -40 to 125 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Contact Distributor TL431AQDCKRG4 ACTIVE -40 to 125 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available
TL431AQDCKT ACTIVE -40 to 125 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor TL431AQDCKTE4 ACTIVE -40 to 125 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor TL431AQDCKTG4 ACTIVE -40 to 125 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
TL431AQPK ACTIVE -40 to 125 0.17 | 1ku SOT-89 (PK) | 3 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact Distributor TL431AQPKG3 ACTIVE -40 to 125 0.17 | 1ku SOT-89 (PK) | 3 View 1000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 2070 22 Jan 2014

User Guides (1)

Title Type Size (KB) Date Views
PDF 1932 03 Nov 2010 1,278

Selection & Solution Guides (2)

Title Type Size (KB) Date Views
PDF 6000 11 Jul 2013 29,142
PDF 9707 08 Jan 2013 5,328

Models (5)

Title Category Type Size (KB) Date Views
HSPICE Model of TL431 HSpice Model ZIP 0 KB 15 Jun 2005 1,261 views
TL431 Family PSpice Transient and AC Model (Rev. A) PSpice Model ZIP 255 KB 14 Dec 2009 2,294 views
TL431x, TL432x TINA-TI AC Reference Design TINA-TI Reference Design TSC 65 KB 31 Mar 2011 587 views
TL431x, TL432x TINA-TI Transient Reference Design TINA-TI Reference Design TSC 82 KB 31 Mar 2011 239 views
TL431x, TL432x TINA-TI Transient & AC Spice Model TINA-TI Spice Model ZIP 4 KB 31 Mar 2011 1,410 views

Reference Designs

Description Part Number Company Tool Type
150W 51.5V Bus Voltage Generator PMP5687 Texas Instruments Reference Designs
18V to 60Vin to +/-12V, 13W PMP5666.1 Texas Instruments Reference Designs
24V@2A, 5V@0.6A PFC Flyback PMP5688.2 Texas Instruments Reference Designs
36Vdc-75Vdc Input, 12V/10A Active Clamp Forward, 8th Brick PMP7451 Texas Instruments Reference Designs
380VDC Input, 24V/170W Active Clamp Forward PMP7391 Texas Instruments Reference Designs
400VDCin, 12V@460W, LLC with Synchronous Rectifiers PMP5967 Texas Instruments Reference Designs
40V-60V Input 12V/5A 95% Efficient Active Clamp Forward PMP3026 Texas Instruments Reference Designs
85-265VACin, 24V/0.7A, 5V/0.25A PMP5536 Texas Instruments Reference Designs
90VAC-400VAC Input, 12V/3W Quasi-Resonant Flyback PMP4242 Texas Instruments Reference Designs
Class 3- Low Cost 12V/1A Flyback Converter for PoE Applications PMP8803 Texas Instruments Reference Designs
Flyback Converter (54V@1.1A) for PoEPower Sourcing (PSE) PMP4068 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (-5V @ 10mA) PMP2187.6 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (2.5 @ 2mA) PMP2187.5 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (3.3V @ 220mA) PMP2187.4 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (4V @ 250mA) PMP2187.7 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (5.5V @ 500mA) PMP2187.1 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (5V @ 440mA) PMP2187.2 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (5V @ 50mA) PMP2187.3 Texas Instruments Reference Designs
Negative Output Flyback, 5V Input to -150V at 130mA using the UCC3813 PMP2796 Texas Instruments Reference Designs
Non-Standard (>25.5W) PoE - High Efficiency Forward Converter (12V@5A) PMP7499 Texas Instruments Reference Designs
Quasi Resonant Flyback, 80-440V AC, 48V@1A using UCC28600 up to 91% efficiency PMP7019.1 Texas Instruments Reference Designs
Quasi-Resonant Isolated Flyback 85-265VACin, 18V/830mA PMP4717 Texas Instruments Reference Designs
TPS92560 High Power 20W Boost LED Driver Reference Design PMP8020 Texas Instruments Reference Designs
Universal Supply Source - 12VAC / 12VDC to 300mA Boost Converter for MR16 / AR111 (7 LEDs / 21V) Ap PMP8022 Texas Instruments Reference Designs
Universal supply source - 12VAC / 12VDC to 300mA SEPIC converter for MR16 / AR111 (3&4 LEDs / 10V ~1 PMP8021 Texas Instruments Reference Designs
Flyback, Linear Regulator for Medical Pack (5.75V @ 10mA) PMP2187.8 Tessolve Reference Designs



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