This document describes the features and characteristics of the INCHANGE SEMICONDUTOR Adjustable Voltage Regulator LM317T, including TO-220 package, output voltage range of 1.2V to 37V, output current in excess of 1.5A, etc.
The LM317T is an adjustable voltage regulator supplied in a TO‑220 package. It offers an output voltage range of 1.2 V to 37 V and can deliver up to 1.5 A of output current. The device features line regulation of 0.05 %/V and load regulation of 1.0 %.
Key electrical specifications include a maximum input‑output differential of 40 V, operating junction temperature from 0 °C to +125 °C, and storage temperature from –65 °C to +125 °C. The adjustment pin current ranges from 40 mA to 500 mA, and ripple rejection is 66 dB at 100 Hz with a 10 pF capacitor.
| Output voltage range | 1.2 V to 37 V |
|---|---|
| Maximum output current | 1.5 A |
| Input‑output voltage differential (Vi‑Vo) | 40 V |
| Operating junction temperature | 0 °C to +125 °C |
| Storage temperature | -65 °C to +125 °C |
| Line regulation | 0.05 %/V |
| Load regulation | 1.0 % |
| Adjustment pin current | 40 mA to 500 mA |
| Ripple rejection (100 Hz, 10 pF) | 66 dB |
The LM317T can be set to output voltages from 1.2 V up to 37 V.
It can deliver up to 1.5 A of output current.
The device provides 66 dB ripple rejection at 100 Hz with a 10 pF capacitor.