The Unisonic Technologies LM317 datasheet details specifications, ratings, and application circuits for the adjustable 1 A linear voltage regulator.
The LM317 is an adjustable three‑terminal positive voltage regulator that supplies up to 1 A with an output voltage range of 1.3 V to 37 V. It includes internal short‑circuit and over‑temperature protection as well as output transistor safe‑area compensation.
The document provides ordering information, package markings, absolute maximum ratings, thermal data, electrical characteristics, and example application circuits. It also lists typical performance curves and a disclaimer regarding usage limits.
| Output voltage range | 1.3 V – 37 V |
|---|---|
| Maximum output current | >1 A |
| Maximum VIN‑VOUT difference | 40 V |
| Maximum junction temperature (TJ) | +150 °C |
| Operating temperature range | -40 °C to +125 °C |
The LM317 can be adjusted from 1.3 V up to 37 V.
The device is rated for a maximum VIN‑VOUT difference of 40 V.
It includes internal short‑circuit protection, internal over‑temperature protection, and output transistor safe‑area compensation.