SMAKN&reg; LM317 DC-DC Linear Converter Buck Step Down Low Ripple Power Supply Module Output Current: 1.5A (min), 2.2A (type) Input-output voltage differential (VI-VO): 40Vdc (max) Adjustable output voltage range: 1.2 ~ 37V Operating temperature: -55C to +150C Current output: 1.5A