Check the listing for details. 10pcs LM317 DC-DC Converter Adjustable Linear Regulator Step Down Circuit Board. Condition: New. Listed at 12.58 USD. The LM317 DC-DC converter module is a versatile and reliable device that is designed to convert a DC voltage to a different DC voltage. This compact and easy-to-use module is perfect for use in a wide range of applications, including solar panels, wind turbines, and other renewable energy systems. One of the key features of the LM317 DC-DC converter module is its ability to adjust the output voltage from 1.25V to 37V, making it a highly versatile and flexible device. This allows it to be used in a wide range of applications, including powering microcontrollers, sensors, and other electronic devices. In addition to its adjustable output voltage, the LM317 DC-DC converter module also has a high-efficiency switch mode design, which helps to reduce power loss and improve overall efficiency. This makes it a highly efficient and reliable choice for use in a variety of applications. Overall, the LM317 DC-DC converter module is a versatile and reliable device that is perfect for use in any application that requires the conversion of a DC voltage to a different DC voltage. Its adjustable output voltage and high-efficiency design make it an excellent choice for anyone looking to power a wide range of electronic devices. Input-output voltage difference (VI-VO): 40Vdc ( max ) Adjustable output voltage range : 1.2 ~ 37V Working 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 mode : VIN input positive level >GND input negative Package Included: 10pcs LM317 DC-DC Converter Adjustable Linear Regulator Step Down Circuit Board