The TL1431 device is a precision programmable reference with specified thermal stability over automotive, commercial, and military temperature ranges. The output voltage can be set to any value between VI(ref) (approximately 2.5 V) and 36 V with two external resistors. This device has a typical output impedance of 0.2 Ω. Active output circuitry provides a sharp turnon characteristic, making the device an excellent replacement for Zener diodes and other types of references in applications such as onboard regulation, adjustable power supplies, and switching power supplies.
The TL1431C is characterized for operation over the commercial temperature range of 0°C to 70°C. The TL1431Q is characterized for operation over the full automotive temperature range of –40°C to 125°C. The TL1431M is characterized for operation over the full military temperature range of –55°C to 125°C.
| Typ | Titel | Datum | ||
|---|---|---|---|---|
| * | Data sheet | TL1431 Precision Programmable Reference datasheet (Rev. N) | PDF | HTML | 04 Okt 2016 |
| E-book | Voltage Supervisor and Reset ICs: Tips, Tricks and Basics | 28 Jun 2019 | ||
| Application note | Setting the shunt voltage on an adjustable shunt regulator | 01 Sep 2011 |
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The TL431CALC spreadsheet calculates all component parameters for any desired output voltage for the TL43x, TLV43x and TL1431. The spreadsheet includes limits for each device. Resistor values are calculated to the nearest 1% value.
| Gehäuse | Pins | Herunterladen |
|---|---|---|
| SOIC (D) | 8 | Optionen anzeigen |
| TO-92 (LP) | 3 | Optionen anzeigen |
| TSSOP (PW) | 8 | Optionen anzeigen |
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