This document describes the technical information and features of TLE 4274 / 3.3V;2.5V. The product is a voltage regulator with an output voltage of 3.3V/2.5V, ±4% accuracy, and a maximum output current of 400 mA. It features low current consumption, short-circuit protection, and reverse polarity protection, making it suitable for automotive electronics.
The TLE 4274 is a low‑dropout voltage regulator offered in SOT‑223 and TO‑252 packages. It accepts an input voltage up to 40 V and delivers a selectable 3.3 V or 2.5 V output with a typical accuracy of ±4 %. The device includes short‑circuit, overload, over‑temperature and reverse‑polarity protection, making it suitable for automotive electronics.
The datasheet details pin definitions, absolute maximum ratings, operating ranges, and typical performance curves. External component recommendations for input and output capacitors are provided to ensure stability across the specified temperature range.
| Output voltage | 3.3 V / 2.5 V ±4 % |
|---|---|
| Maximum output current | 400 mA |
| Input voltage range | 4.7 V to 40 V |
| Operating temperature range | -40 °C to 150 °C |
| Protection features | Short‑circuit, overload, over‑temperature, reverse polarity |
The regulator can be configured for either 3.3 V or 2.5 V output.
The device can supply up to 400 mA of output current.
It operates with an input voltage between 4.7 V and 40 V.
Yes, the regulator includes reverse‑polarity protection.