The LM317 is an adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V. This voltage regulator is exceptionally easy to use and requires only two external resistors to set the output voltage. Further, it employs internal current limiting, thermal shutdown and safe area compensation, making it essentially blow-out proof.
The LM317 is an adjustable 3-terminal positive voltage regulator capable of supplying in excess of 1.5 A over an output voltage range of 1.2 V to 37 V. It requires only two external resistors to set the output voltage and employs internal current limiting, thermal shutdown, and safe area compensation.
| Output Current | 1.5 A |
|---|---|
| Output Voltage Range | 1.2 V to 37 V |
| Reference Voltage | 1.25 V |
| Maximum Input-Output Voltage Differential | 40 V |
| Operating Junction Temperature Range | -40 to +125 °C |
| Maximum Power Dissipation | 20 W |
The LM317 develops and maintains a nominal 1.25 V reference (Vref) between its output and adjustment terminals.
Yes, it requires only two external resistors to set the output voltage.
The device employs internal current limiting, thermal shutdown, and safe area compensation.