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The TL1431 is a adjustable shunt voltage reference with guaranteed temperature stability over the entire operating temperature range.
The output voltage may be set to any value between 2.5 V and 36 V with two external resistors.
The TL1431 operates with a wide current range from 1 to 100 mA with a typical dynamic impedance of 0.2 Ω.Key Features
- Adjustable output voltage: VREF to 36 V
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- 0.4% and 0.25% voltage precision
- Automotive temp. range - 40 °C to +125 °C
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| TL1431ACCT | Active | SOT323-6L | Industrial | Ecopack2 | |
| TL1431ACDT | Active | SO-8 | Industrial | Ecopack2 (**) | |
| TL1431ACL3T | Active | SOT23 | Industrial | Ecopack2 | |
| TL1431ACL5T | Active | SOT23-5L | Industrial | Ecopack2 | |
| TL1431ACZ | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431ACZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431ACZT | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431AIDT | Active | SO-8 | Industrial | Ecopack3 | |
| TL1431AIYDT | Active | SO-8 | Automotive | Ecopack1 (*) | |
| TL1431AIZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431AIZT | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431CCT | Active | SOT323-6L | Industrial | Ecopack2 | |
| TL1431CDT | Active | SO-8 | Industrial | Ecopack3 | |
| TL1431CL3T | Active | SOT23 | Industrial | Ecopack2 | |
| TL1431CL5T | Active | SOT23-5L | Industrial | Ecopack2 | |
| TL1431CZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431CZT | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431IDT | Active | SO-8 | Industrial | Ecopack3 | |
| TL1431IYDT | Active | SO-8 | Automotive | Ecopack3 | |
| TL1431IZ | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431IZ-AP | Active | TO-92 | Industrial | Ecopack2 | |
| TL1431IZT | Active | TO-92 | Industrial | Ecopack2 |
TL1431ACCT
Package:
SOT323-6LMaterial Declaration**:
TL1431ACDT
Package:
SO-8Material Declaration**:
TL1431CCT
Package:
SOT323-6LMaterial Declaration**:
TL1431IDT
Package:
SO-8Material Declaration**:
(**) 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 | Order from Distributors | Order from ST | Package | Packing Type | Marketing Status | ECCN (US) | Country of Origin | Budgetary Price (US$)*/Qty | |
|---|---|---|---|---|---|---|---|---|---|
| TL1431ACZ | 3 distributors | Buy now | TO-92 | Poly Bag | Active | EAR99 | CHINA | 0.233 / 1k | |
| TL1431IZ | 4 distributors | Buy now | TO-92 | Poly Bag | Active | EAR99 | CHINA | 0.233 / 1k | |
| TL1431ACZT | 3 distributors | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.233 / 1k | |
| TL1431AIZ-AP | No availability of distributors reported, please contact our sales office | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.257 / 1k | |
| TL1431IYDT | 1 distributors | Buy now | SO-8 | Tape And Reel | Active | EAR99 | MOROCCO | 0.24 / 1k | |
| TL1431IZ-AP | 1 distributors | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.233 / 1k | |
| TL1431ACCT | 2 distributors | Buy now | SOT323-6L | Tape And Reel | Active | EAR99 | MALAYSIA | 0.249 / 1k | |
| TL1431AIYDT | 2 distributors | Buy now | SO-8 | Tape And Reel | Active | EAR99 | MOROCCO | 0.272 / 1k | |
| TL1431CL5T | 1 distributors | Buy now | SOT23-5L | Tape And Reel | Active | EAR99 | MALAYSIA | 0.249 / 1k | |
| TL1431CL3T | 1 distributors | Buy now | SOT23 | Tape And Reel | Active | EAR99 | MALAYSIA | 0.249 / 1k | |
| TL1431CZT | 1 distributors | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.18 / 1k | |
| TL1431ACZ-AP | 3 distributors | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.233 / 1k | |
| TL1431ACDT | 4 distributors | Buy now | SO-8 | Tape And Reel | Active | EAR99 | MOROCCO | 0.233 / 1k | |
| TL1431IDT | 6 distributors | Buy now | SO-8 | Tape And Reel | Active | EAR99 | MOROCCO | 0.162 / 1k | |
| TL1431CDT | 5 distributors | Buy now | SO-8 | Tape And Reel | Active | EAR99 | MOROCCO | 0.18 / 1k | |
| TL1431AIDT | 7 distributors | Buy now | SO-8 | Tape And Reel | Active | EAR99 | MOROCCO | 0.269 / 1k | |
| TL1431CCT | 1 distributors | Buy now | SOT323-6L | Tape And Reel | Active | EAR99 | MALAYSIA | 0.249 / 1k | |
| TL1431CZ-AP | 2 distributors | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.18 / 1k | |
| TL1431AIZT | 5 distributors | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.269 / 1k | |
| TL1431ACL3T | 2 distributors | Buy now | SOT23 | Tape And Reel | Active | EAR99 | MALAYSIA | 0.249 / 1k | |
| TL1431ACL5T | 1 distributors | Buy now | SOT23-5L | Tape And Reel | Active | EAR99 | MALAYSIA | 0.249 / 1k | |
| TL1431IZT | 1 distributors | Buy now | TO-92 | Tape And Reel | Active | EAR99 | CHINA | 0.233 / 1k |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
