The L4941 is a three terminal 5V positive regulator with low dropout voltage and quiescent current, suitable for industrial and consumer applications.
The L4941 is a three‑terminal 5 V positive regulator offered in TO‑220, TO‑220FP and DPAK packages. It features very low dropout voltage, low quiescent current, and built‑in protections such as thermal shutdown, short‑circuit and reverse‑polarity protection, making it suitable for battery‑powered equipment.
The datasheet provides absolute maximum ratings, thermal data, electrical characteristics, ordering codes, and mechanical dimensions, along with test circuit diagrams and typical performance graphs.
| Forward Input Voltage (Vi) | 30 V |
|---|---|
| Reverse Input Voltage (Vir) | -15 V |
| Storage Temperature Range | -40 °C to +150 °C |
| Operating Junction Temperature Range | -40 °C to +150 °C |
The maximum forward input voltage is 30 V.
It includes internal current limiting, thermal shutdown, short‑circuit protection, reverse‑polarity protection, and safe‑area protection.
The ordering code for the TO‑220 package is L4941BV.