The XC9140A331MR-G is an adjustable output step-up dcdc switching voltage converter, manufactured by Torex Semiconductor. It is designed with a voltage regulator and PFM (Pulse Frequency Modulation) control technology to provide a range of output voltages. The converter has an adjustable output current of up to 3A, with a max input voltage of 8V and a max output voltage of 33V. It is designed to be used in mobile and automotive systems, and is capable of operating with a wide input voltage range from 4.5V to 33V. The converter is equipped with over current, over voltage, and short-circuit protection. It can be used in areas where noise sensitivity is a concern, as it offers low noise emission with low EMI and low output ripple. Overall, it is an ideal solution for efficient mobile and automotive systems.