The XC6216B422PR-G is a low dropout (LDO), voltage regulator manufactured by Torex Semiconductor. It has a 28V input voltage and is capable of providing a fixed voltage between 1.5V to 4V. The XC6216B422PR-G is designed for use in battery-powered electronic products, such as TVs, game consoles, and other portable electronics. It features a high ripple rejection performance of 80dB, making it perfect for audio applications. The device also has a built-in thermal shutdown, overcurrent protection, and current foldback functions, ensuring reliable operation in the unlikely event of an overload.