The AMS1117-5.0 with 1A 70dB@(120Hz) Fixed 5V~5V Positive 20V SOT-223 Linear Voltage Regulators (LDO) ROHS manufactured by WPMtek is a low dropout voltage regulator designed for portable devices. It has an output current of 1A, a maximum input voltage of 20V, a nominal output voltage of 5V, and a guaranteed dropout voltage of 1.2V. It also features a fixed 70dB@(120Hz) power supply noise rejection ratio, low quiescent current, and ESR of 0.4O. The SOT-223 package is RoHS (Restriction of Hazardous Substances) compliant and made of Lead (Pb)-Free material, making it environmentally friendly. The AMS1117-5.0 is an ideal choice for devices requiring high efficiency and low noise power solutions.