SPX2431L Precision Adjustable Shunt Regulator is a 3-terminal adjustable shunt voltage regulator providing a highly accurate bandgap reference (0.5%) and extremely low operating current (100µA).
The SPX2431L is a 3‑terminal precision adjustable shunt voltage regulator with a 2.5 V bandgap reference and very low operating current. It offers a wide operating current range, low temperature coefficient, and an extended temperature range, making it suitable for battery‑operated equipment, switching power supplies, and error‑amplifier applications.
The device is offered in TO‑92, SOIC‑8, and SOT‑23‑3 packages. The datasheet includes absolute maximum ratings, electrical characteristics, typical thermal resistances, performance graphs, test circuits, and ordering information for the various part numbers.
| Bandgap reference accuracy | 0.5 % |
|---|---|
| Operating current range | 160 µA to 100 mA |
| Operating temperature range | -40 °C to 125 °C |
| Available packages | TO‑92, SOIC‑8, SOT‑23‑3 |
| Maximum cathode voltage | 20 V |
| Cathode current (typical) | 10 mA |
It operates from –40 °C up to 125 °C.
The device is offered in TO‑92, SOIC‑8, and SOT‑23‑3 packages.
The maximum cathode‑anode voltage is 20 V.