The HT7321-1 with Low Dropout Regulators (LDO) manufactured by Holtek is an adjustable voltage regulator in a SOT-89 (surface mount) package designed for space-sensitive applications. Its RoHS compliant construction is built with a wide operating range and features low noise operation and low output voltage ripple. The LDO regulator can output up to 1.2A of current with a low dropout voltage of just 150mV at full-load conditions. Furthermore, it provides short-circuit and thermal protection from potential damage. Its adjustable output range is from 1.235V to 28V, with potentiometer for adjustment, the device features an excellent line and load regulation. The HT7321-1 is suitable for use in 5V, 3.3V, ±5V systems, batteries, mobile phones, portable electronic equipment, and other applications.