The XC6237A1819R-G is a 1.8V, 150mA linear fixed positive voltage regulator from Torex Semiconductor in USPQ-4B05 package. It is an integrated circuit (IC) specifically designed to regulate and stabilize the output voltage. Its applications include battery-operated or automotive devices, LCD displays, modems, LED lights, and microcontrollers for various applications. Its advanced process technology and optimized circuit design result in excellent line, load, and temperature regulation. Additionally, this LDO (Low Drop Out) IC features thermal-shutdown, current-limited, and over-voltage protection providing reliable long-term operation.