TL431A
(ACTIVE) Adjustable Precision Shunt Regulator

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Adjustable Precision Shunt Regulator - TL431A

Datasheet


Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Top Side 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 Contact Distributor TL431ACDBVRE4 ACTIVE 0 to 70 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
TL431ACDBVRG4 ACTIVE 0 to 70 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
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 Contact Distributor TL431ACDBVTE4 ACTIVE 0 to 70 0.39 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Contact TI Distributor or Sales Office Contact Distributor TL431ACDBVTG4 ACTIVE 0 to 70 0.39 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
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 For lead times contact TI Authorized Distributor or local TI sales office
Contact Distributor TL431ACDCKRG4 ACTIVE 0 to 70 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor TL431ACDCKT ACTIVE 0 to 70 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor TL431ACDCKTE4 ACTIVE 0 to 70 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor TL431ACDCKTG4 ACTIVE 0 to 70 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
TL431ACDG4 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
TL431ACDR 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
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
Contact TI Distributor or Sales Office
TL431ACLPR ACTIVE 0 to 70 0.13 | 1ku TO-92 (LP) | 3 View 2000 | LARGE T&R >5K 1k quantity lead time: In stock
Contact TI Distributor or Sales Office
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 Typical lead time for 1k quantity: 4 to 8 weeks
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 Typical lead time for 1k quantity: 4 to 8 weeks
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
TL431AIDBVRG4 ACTIVE -40 to 85 0.11 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
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 Contact Distributor TL431AIDBVTE4 ACTIVE -40 to 85 0.38 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Contact TI Distributor or Sales Office Contact Distributor TL431AIDBVTG4 ACTIVE -40 to 85 0.38 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
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 1K - 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 1K - 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 1K - 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
Contact TI Distributor or Sales Office Contact Distributor TL431AQDBVRE4 ACTIVE -40 to 125 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | 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 TL431AQDBVRG4 ACTIVE -40 to 125 0.12 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R 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 0.39 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
Not Available Contact Distributor TL431AQDBVTG4 ACTIVE -40 to 125 0.39 | 1ku SOT-23 (DBV) | 5 View 250 | SMALL T&R No Stock Typical lead time for 1k quantity: 4 to 8 weeks
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 >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 1K - 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 1K - 5K 1k quantity lead time: In stock
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 For lead times contact TI Authorized Distributor or local TI sales office
Contact Distributor TL431AQDCKRG4 ACTIVE -40 to 125 0.13 | 1ku SC70 (DCK) | 6 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
TL431AQDCKT ACTIVE -40 to 125 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R 1K - 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 For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor TL431AQDCKTG4 ACTIVE -40 to 125 0.40 | 1ku SC70 (DCK) | 6 View 250 | SMALL T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
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.

Related Products

Part # Name Product Family Comments
TLV431   Low-Voltage Adjustable Precision Shunt Regulator   VOLTAGE REFERENCE - SHUNT VOLTAGE REFERENCE    Vout (12V max) and Iz (80mA max), as well as different pinouts for SOT23-3 & SOT-89 packages, Vref=1.24, 2% trim accuracy  
TL431   Adjustable Precision Shunt Regulator   VOLTAGE REFERENCE - SHUNT VOLTAGE REFERENCE    Wider range for Vout (36V max) and Iz (80mA max), as well as different pinouts for SOT23-3 & SOT-89 packages, Vref=2.495, 2% trim accuracy  
TLVH431   Low-Voltage Adjustable Precision Shunt Regulator   VOLTAGE REFERENCE - SHUNT VOLTAGE REFERENCE    Wider range for Vout (18V max) and Iz (80mA max), as well as different pinouts for SOT23-3 & SOT-89 packages  
TLVH432   Low-Voltage Adjustable Precision Shunt Regulator   VOLTAGE REFERENCE - SHUNT VOLTAGE REFERENCE    Wider range for Vout (18V max) and Iz (80mA max), as well as different pinouts for SOT23-3 & SOT-89 packages.  
LM317   3/4 Pin 1.5A Adjustable Positive Voltage Regulator   LINEAR REGULATOR (LDO) - SINGLE CHANNEL LDO    1.5A adjustable positive voltage regulator  
TLV1117   Single Output LDO, 800mA, Fixed and Adj., Internal Current limit, Thermal Overload Protection   LINEAR REGULATOR (LDO) - SINGLE CHANNEL LDO    Single output LDO, 800mA internal current limit thermal overload protection  
UA7805   3 Pin 1.5A Fixed 5V Positive Voltage Regulator   LINEAR REGULATOR (LDO) - SINGLE CHANNEL LDO    1.5A Fixed 5V positive voltage regulator  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 2126 12 Jul 2012

User Guides (1)

Title Type Size (KB) Date Views
PDF 1932 03 Nov 2010 1,730

Selection & Solution Guides (2)

Title Type Size (KB) Date Views
PDF 9707 08 Jan 2013 19,951
PDF 8842 28 Jan 2011 13,155

Tools & Software

Models (5)

Title Category Type Size (KB) Date Views
HSPICE Model of TL431 HSpice Model ZIP 0 KB 15 Jun 2005 823 views
TL431 Family PSpice Transient and AC Model (Rev. A) PSpice Model ZIP 255 KB 14 Dec 2009 1,593 views
TL431x, TL432x TINA-TI AC Reference Design TINA-TI Reference Design TSC 65 KB 31 Mar 2011 645 views
TL431x, TL432x TINA-TI Transient Reference Design TINA-TI Reference Design TSC 82 KB 31 Mar 2011 249 views
TL431x, TL432x TINA-TI Transient & AC Spice Model TINA-TI Spice Model ZIP 4 KB 31 Mar 2011 403 views

Development Tools (1)

Name Part# Type
Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation

Reference Designs (18)

Description Part # Company
12V/5A/60W Output High Power PoE Converter PMP7499 Texas Instruments
150W 51.5V Bus Voltage Generator PMP5687 Texas Instruments
18V to 60Vin to +/-12V, 13W PMP5666.1 Texas Instruments
24V@2A, 5V@0.6A PFC Flyback PMP5688.2 Texas Instruments
36Vdc-75Vdc Input, 12V/10A Active Clamp Forward, 8th Brick PMP7451 Texas Instruments
380VDC Input, 24V/170W Active Clamp Forward PMP7391 Texas Instruments
400VDCin, 12V@460W, LLC with Synchronous Rectifiers PMP5967 Texas Instruments
40V-60V Input 12V/5A 95% Efficient Active Clamp Forward PMP3026 Texas Instruments
85-265VACin, 24V/0.7A, 5V/0.25A PMP5536 Texas Instruments
90VAC-400VAC Input, 12V/3W Quasi-Resonant Flyback PMP4242 Texas Instruments
Flyback for Line Card -150V@0.13A PMP2796 Texas Instruments
Flyback, Linear Regulator for Medical Pack (5.5V @ 500mA) PMP2187.1 Texas Instruments
Isolated Flyback for Power Sourcing Equipment (PSE) 54V@1.1A PMP4068 Texas Instruments
Low Cost 12V/1A Flyback Converter for PoE Applications PMP8803 Texas Instruments
Quasi Resonant Flyback, 80-440V AC, 48V@1A using UCC28600 up to 91% efficiency PMP7019.1 Texas Instruments
Quasi-Resonant Isolated Flyback 85-265VACin, 18V/830mA PMP4717 Texas Instruments
Universal Supply Source - 12VAC / 12VDC to 300mA Boost Converter for MR16 / AR111 (7 LEDs / 21V) Ap PMP8022 Texas Instruments
Universal supply source - 12VAC / 12VDC to 300mA SEPIC converter for MR16 / AR111 (3&4 LEDs / 10V ~1 PMP8021 Texas Instruments

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Training & Events

Name Type Available During
Multi-Day PFC Design Workshop (Analog & Digital) sponsored by Biricha Digital Power Ltd. In-Person   15 Mar 2014  -  22 Mar 2014  
In-depth PFC Design Workshop In-Person   12 Nov 2013  -  14 Nov 2013  
Digital Power Multi-Day Workshop In-Person   05 Nov 2013  -  07 Nov 2013  
Optimizing Efficiency of Switching Mode Chargers Recorded Content   On Demand  
Single Cell Gauging 101 - Part 2: Classic Fuel Gauging Approaches Recorded Content   On Demand  


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