LM317
Representative LM317 image (package may vary by manufacturer)
Overview
The LM317 is an adjustable three-pin, positive-voltage regulator capable of supplying more than 1.5A over an output voltage range of 1.25V to 37V. The device requires only two external resistors to set the output voltage.
- Output voltage range: - Adjustable: 1.25V to 37V
- Output current: 1.5A
- Line regulation: 0.01%/V (typ)
- Load regulation: 0.1% (typ)
- Internal short-circuit current limiting
- Thermal overload protection
- Output safe-area compensation (new chip)
- PSRR: 80dB at 120Hz for CADJ = 10μF (new chip)
- Packages: - 4-pin, SOT-223 (DCY) - 3-pin, TO-263 (KTT) - 3-pin, TO-220 (KCS, KCT), legacy chip