?The AMS1117-1.8 Low Dropout Regulator (LDO) with SOT-223 RoHS by Youtai is a simple 3-pin voltage regulator. It is designed to provide a stable 1.8V output voltage in the presence of a wide input voltage range, from 2.0V to 5.5V. The device is short-circuit protected and features a maximum output current of 1.0A and low dropout voltage of 0.9V. It also features a temperature range of -40°C to +125°C, making it suitable for use in industrial applications and in high temperature environments. The SOT-223 package makes it convenient to use in a wide variety of applications.