The IMP1117AS18X/T is a positive fixed low dropout regulator (LDO) manufactured by Daily Silver Imp. It has an input voltage range of 18V and a fixed output voltage of 1.25V at 1A. The package is a RoHS compliant SOT-223, making it a small and versatile solution that can be easily implemented into a wide range of applications. This particular regulator features a low quiescent current, low dropout voltage, low output noise, and high efficiency. It also has short-circuit protection and temperature protection features, ensuring that your system is protected against surges, shorting, and overheating. This LDO is ideal for powering sensitive circuits, such as cell phone baseband processors, Bluetooth radios, USB peripherals and embedded microprocessors.