The XCL101C201ER-G is a switching voltage regulator with a built-in step-up microDCDC converter, manufactured by Torex Semiconductor. This part has a 100mA inductor and can convert lower DC input voltage into higher DC output voltage, enabling it to be used as a power source for multiple kinds of devices. It has a number of features, such as small package, wide operating input voltage range, low ripple/noise, high efficiency, and high reliable operation at ambient temperatures between -40°C to 85°C. This part is ideal for use in a variety of applications, such as battery powered portable systems, automotive, automotive engine control, telecommunications, AC/DC converters, and consumer electronics.