The LM317T-DG from STMicroelectronics is a Linear, adjustable voltage regulator with a wide adjustable output voltage range from 1.2V to 37V, and a maximum output current of 1.5A. It comes in a TO-220 package, which is a three-pin, through hole mount plastic package suitable for use in relatively high power surface mounted applications. The device features short circuit protection and thermal overload protection. It can be used in a wide range of applications such as power supplies, battery chargers, and DC to DC converters. The LM317T-DG is an ideal choice for applications requiring adjustable output voltage and current precision.