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TL431 Voltage Reference
TL431
Texas Instrumentsic reference
The TL431 is an adjustable precision shunt voltage reference with a 2.5V reference. An external resistor divider programs its output from 2.5V up to 36V, commonly used for regulation and feedback.
In stock
Specifications
8- Reference Voltage
- 2.5 V
- Output Voltage Range
- 2.5 to 36 V
- Cathode Current Range
- 1 to 100 mA
- Reference Input Current
- 2 uA
- Dynamic Impedance
- 0.2 ohm
- Initial Accuracy
- 0.5 %
- Operating Temperature Range
- -40 to 125 C
- Package Types
- SOT-23-3, SOT-23-5, SOT-89, SOIC-8, PDIP-8, SOP-8, TSSOP-8, TO-92
Pinout
3| Pin | Name | Functions | Notes |
|---|---|---|---|
| 1 | CATHODE | GPIO | Shunt current/voltage input (cathode) |
| 2 | ANODE | GND | Common pin, normally connected to ground |
| 3 | REF | GPIO | Reference threshold input relative to anode |
Interactive pinout
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TL431
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