Product overview
Description
The TL431 and TL432 are adjustable shunt voltage references with guaranteed temperature stability over the entire operating temperature range. The device temperature range is extended for the automotive version from -40 °C up to +125 °C. The output voltage can be set to any value between 2.5 and 36 V with two external resistors. The TL431 and TL432 operate with a wide current range from 1 to 100 mA with a typical dynamic impedance of 0.22 Ω.
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All features
- AEC-Q100 qualified
- Adjustable output voltage: 2.5 to 36 V
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- 0.5% voltage precision only on the TL431B version
- 1% and 2% voltage precision
- Automotive temp. range - 40 °C to +125 °C
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Part number Status Description Type Supplier Worldwide,Asia,Europe,Africa,North America,South America,Oceania,Afghanistan,Bahrain,Bangladesh,Bhutan,Brunei,Burma (Myanmar),Cambodia,China,East Timor,India,Indonesia,Iraq,Japan,Jordan,Kazakhstan,Kuwait,Kyrgyzstan,Laos,Malaysia,Maldives,Mongolia,Nepal,Oman,Pakistan,Philippines,Qatar,Russian Federation,Saudi Arabia,Singapore,South Korea,Sri Lanka,Taiwan,Tajikistan,Thailand,Turkmenistan,United Arab Emirates,Uzbekistan,Vietnam,Yemen,Albania,Andorra,Armenia,Austria,Azerbaijan,Belarus,Belgium,Bosnia and Herzegovina,Bulgaria,Croatia,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Georgia,Germany,Greece,Hungary,Iceland,Ireland,Israel,Italy,Latvia,Liechtenstein,Lithuania,Luxembourg,Macedonia,Malta,Moldova,Monaco,Montenegro,Netherlands,Norway,Poland,Portugal,Romania,San Marino,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,Turkey,Ukraine,United Kingdom,Vatican City,Algeria,Angola,Benin,Botswana,Burkina,Burundi,Cameroon,Cape Verde,Central African Republic,Chad,Comoros,Democratic Republic of Congo,Djibouti,Egypt,Equatorial Guinea,Eritrea,Ethiopia,Gabon,Gambia,Ghana,Guinea,Guinea-Bissau,Ivory Coast,Kenya,Lesotho,Liberia,Libya,Madagascar,Malawi,Mali,Mauritania,Mauritius,Morocco,Mozambique,Namibia,Niger,Nigeria,Rwanda,Sao Tome and Principe,Senegal,Seychelles,Sierra Leone,Somalia,South Africa,Swaziland,Tanzania,Togo,Tunisia,Uganda,Zambia,Zimbabwe,Antigua and Barbuda,Bahamas,Barbados,Belize,Canada,Costa Rica,Dominica,Dominican Republic,El Salvador,Grenada,Guatemala,Haiti,Honduras,Jamaica,Mexico,Nicaragua,Panama,Saint Kitts and Nevis,Saint Lucia,Saint Vincent and the Grenadines,Trinidad and Tobago,United States,Argentina,Bolivia,Brazil,Chile,Colombia,Ecuador,Guyana,Paraguay,Peru,Suriname,Uruguay,Venezuela,Australia,Fiji,Kiribati,Marshall Islands,Micronesia,Nauru,New Zealand,Palau,Papua New Guinea,Samoa,Solomon Islands,Tonga,Tuvalu,Vanuatu ActiveIsobuck-boost converter with four selectable dual voltages
Power supplies and converters ST
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All resources
| Resource title | Version | Latest update |
|---|
Product Specifications (1)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 17.0 | 07 Sep 2022 | 07 Sep 2022 |
Application Notes (3)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 1.3 | 20 May 2024 | 20 May 2024 | ||
| 1.1 | 23 Apr 2013 | 23 Apr 2013 | ||
| 1.3 | 13 Sep 2018 | 13 Sep 2018 |
Brochures (2)
| Resource title | Version | Latest update | ||
|---|---|---|---|---|
| 3.0 | 27 Jul 2022 | 27 Jul 2022 | ||
| 12.2024 | 09 Jan 2025 | 09 Jan 2025 |
EDA Symbols, Footprints and 3D Models
STMicroelectronics - TL431
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Please select one model supplier :
Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Longevity Commitment | Longevity Starting Date | Material Declaration** |
|---|---|---|---|---|---|---|---|
| TL431ACCT | Active | SOT323-6L | Industrial | Ecopack2 | - | - | |
| TL431ACDT | Active | SO-8 | Industrial | Ecopack3 | - | - | |
| TL431ACL3T | Active | SOT23 | Industrial | Ecopack3 | - | - | |
| TL431ACL5T | Active | SOT23-5L | Industrial | Ecopack2 | - | - | |
| TL431ACZ | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431ACZ-AP | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431ACZT | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431AICT | Active | SOT323-6L | Industrial | Ecopack2 | - | - | |
| TL431AIDT | Active | SO-8 | Industrial | Ecopack3 | - | - | |
| TL431AIL3T | Active | SOT23 | Industrial | Ecopack3 | - | - | |
| TL431AIL5T | Active | SOT23-5L | Industrial | Ecopack2 | - | - | |
| TL431AIYDT | Active | SO-8 | Automotive | Ecopack2 | - | - | |
| TL431AIZ | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431AIZ-AP | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431AIZT | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431BL3T | Active | SOT23 | Industrial | Ecopack2 | - | - | |
| TL431CCT | Active | SOT323-6L | Industrial | Ecopack2 | - | - | |
| TL431CDT | Active | SO-8 | Industrial | Ecopack3 | - | - | |
| TL431CL3T | Active | SOT23 | Industrial | Ecopack3 | - | - | |
| TL431CL5T | Active | SOT23-5L | Industrial | Ecopack3 | - | - | |
| TL431CZ | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431CZ-AP | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431CZT | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431ICT | Active | SOT323-6L | Industrial | Ecopack2 | - | - | |
| TL431IDT | Active | SO-8 | Industrial | Ecopack3 | - | - | |
| TL431IL3T | Active | SOT23 | Industrial | Ecopack3 | - | - | |
| TL431IL5T | Active | SOT23-5L | Industrial | Ecopack2 | - | - | |
| TL431IYDT | Active | SO-8 | Automotive | Ecopack2 | - | - | |
| TL431IZ | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431IZ-AP | Active | TO-92 | Industrial | Ecopack2 | - | - | |
| TL431IZT | Active | TO-92 | Industrial | Ecopack2 | - | - |
Marketing Status
Package
SOT323-6L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23-5L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SOT323-6L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23-5L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Automotive
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SOT323-6L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23-5L
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SOT323-6L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23
Grade
Industrial
RoHS Compliance Grade
Ecopack3
Marketing Status
Package
SOT23-5L
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
SO-8
Grade
Automotive
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
Marketing Status
Package
TO-92
Grade
Industrial
RoHS Compliance Grade
Ecopack2
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Marketing Status | Budgetary Price (US$)*/Qty | Order from ST | Order from distributors | Package | Packing Type | RoHS | Country of Origin | ECCN (US) | ECCN (EU) | Operating temperature (°C) | Operating Temperature (°C) (max) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | ||||||||||||||||||||||
| TL431IZT | | | Available at distributors Distributor availability of TL431IZT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AIZ-AP | | | Available at distributors Distributor availability of TL431AIZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ACZ-AP | | | Available at distributors Distributor availability of TL431ACZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431IL5T | | | Available at distributors Distributor availability of TL431IL5T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431CDT | | | Available at distributors Distributor availability of TL431CDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AICT | | | Available at distributors Distributor availability of TL431AICT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ICT | | | Available at distributors Distributor availability of TL431ICT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431CL5T | | | Available at distributors Distributor availability of TL431CL5T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AIZT | | | Available at distributors Distributor availability of TL431AIZT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431CZT | | | Available at distributors Distributor availability of TL431CZT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ACDT | | | Available at distributors Distributor availability of TL431ACDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431IL3T | | | Available at distributors Distributor availability of TL431IL3T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ACL3T | | | Available at distributors Distributor availability of TL431ACL3T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431CCT | | | Available at distributors Distributor availability of TL431CCT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AIDT | | | Available at distributors Distributor availability of TL431AIDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431BL3T | | | Available at distributors Distributor availability of TL431BL3T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431IDT | | | Available at distributors Distributor availability of TL431IDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431IYDT | | | Available at distributors Distributor availability of TL431IYDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ACZT | | | Available at distributors Distributor availability of TL431ACZT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AIZ | | | Available at distributors Distributor availability of TL431AIZ
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431CZ-AP | | | Available at distributors Distributor availability of TL431CZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AIL5T | | | Available at distributors Distributor availability of TL431AIL5T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431IZ-AP | | | Available at distributors Distributor availability of TL431IZ-AP
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431CL3T | | | Available at distributors Distributor availability of TL431CL3T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ACZ | | | Available at distributors Distributor availability of TL431ACZ
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431CZ | | | Available at distributors Distributor availability of TL431CZ
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ACCT | | | Available at distributors Distributor availability of TL431ACCT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AIYDT | | | Available at distributors Distributor availability of TL431AIYDT
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431IZ | | | Available at distributors Distributor availability of TL431IZ
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431AIL3T | | | Available at distributors Distributor availability of TL431AIL3T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
| TL431ACL5T | | | Available at distributors Distributor availability of TL431ACL5T
Distributor reported inventory date: | | | | Buy from Distributor | | |||||||||||||||
TL431IZT Active
Part Number:
TL431IZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AIZ-AP Active
Part Number:
TL431AIZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ACZ-AP Active
Part Number:
TL431ACZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431IL5T Active
Part Number:
TL431IL5T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431CDT Active
Part Number:
TL431CDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AICT Active
Part Number:
TL431AICT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ICT Active
Part Number:
TL431ICT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431CL5T Active
Part Number:
TL431CL5T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AIZT Active
Part Number:
TL431AIZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431CZT Active
Part Number:
TL431CZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ACDT Active
Part Number:
TL431ACDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431IL3T Active
Part Number:
TL431IL3T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ACL3T Active
Part Number:
TL431ACL3T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431CCT Active
Part Number:
TL431CCT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AIDT Active
Part Number:
TL431AIDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431BL3T Active
Part Number:
TL431BL3T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431IDT Active
Part Number:
TL431IDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431IYDT Active
Part Number:
TL431IYDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ACZT Active
Part Number:
TL431ACZT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AIZ Active
Part Number:
TL431AIZ
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431CZ-AP Active
Part Number:
TL431CZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AIL5T Active
Part Number:
TL431AIL5T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431IZ-AP Active
Part Number:
TL431IZ-AP
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431CL3T Active
Part Number:
TL431CL3T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ACZ Active
Part Number:
TL431ACZ
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431CZ Active
Part Number:
TL431CZ
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ACCT Active
Part Number:
TL431ACCT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AIYDT Active
Part Number:
TL431AIYDT
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431IZ Active
Part Number:
TL431IZ
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431AIL3T Active
Part Number:
TL431AIL3T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
TL431ACL5T Active
Part Number:
TL431ACL5T
Operating Temperature (°C)
Min:
Max:
Distributor reported inventory date:
Stock
Min.Order
(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors