The XC6221D251GR-G is a low drop-out (LDO) voltage regulator manufactured by Torex Semiconductor. This device is a high-precision, low current consumption LDO voltage regulator designed for battery-power applications. It has a voltage output range from 2.5V to 3.3V, with an adjustable output voltage between 1.2V and 3.3V. The device offers current limit protection, over-temperature protection, and output short-circuit protection, making it suitable for a wide variety of applications. The XC6221D251GR-G also has an extended input voltage range from 2.0V to 6.5V, making it suitable for use in various battery-powered systems. Additionally, the device features low ripple noise, allowing for a low-noise operation. This product comes in a compact XSOT package which is RoHS compliant.