2PCS DC Linear Converter Buck Step Down LM317 Low Ripple Module Power Supply Adjustable Linear Regulator Module Name: Adjustable Linear Regulator Output Current: 1.5A (min), 2.2A (typ) Input-output voltage differential (VI-VO): 40Vdc (max) Adjustable output voltage range: 1.2 ~ 37V Operating temperature: -55 C to +150 C Current output: 1.5A Voltage Input: 4.2 ~ 40 V Operating temperature: 0 C ~ 125 C Characteristic frequency: 100 (MHz) Module size: 35.6 (mm) x16.8 (mm) Input Method: VIN input is level, GND Input Negative Output: VOUT output positive stage, GND output negative Package Included: 2 X Module