The XC6223A3019R-G is an IC voltage regulator from Torex Semiconductor that is a linear, fixed low drop out (LDO) regulator with a 3V output voltage, a maximum output current of 300mA, and a USPQ-4B03 surface mount package. The device is designed to help improve system reliability and efficiency by regulation of the voltage, and it provides superior protection to ensure stable operation in various voltage conditions. It has a wide input voltage range of 2.2V to 6.0V, low dropout voltage, and low quiescent current. Additionally, the device features short-circuit protection, thermal shutdown, and reverse current protection.