The LD1117AL-AD-TA3-A-T is a positive, adjustable, low-dropout regulator (LDO) manufactured by Unisonic. It is a 3-pin TO-220-3 package, and has a maximum power dissipation of 1.3V @ 1A with a maximum input voltage of 15V. The output voltage range is adjustable from 1.25V to 1A. Additionally, this LDO meets the RoHS standards for desoldering heat, lead-free components, and component use in hazardous applications.