The Torex XCL210B191GR-G is a switching voltage regulators 50mA inductor built-in PFM step-down microDCDC converter integrated circuit (IC) that enables efficient, low noise and small footprint power supply designs for applications such as smart devices, consumer electronics, mobile communications and automotive applications. The IC features a high-efficiency PFM step-down micro DCDC converter with a synchronous rectifier. It offers a wide operation range from 1.8V to 5.5V input and up to 1.7V output, a maximum output current of 50mA, and a low quiescent current of only 45µA. Additionally, the integrated inductor ensures reliable power conversion, and helps reduce the size of the power supply design. This IC helps reduce external components and provides a highly-flexible, efficient and compact power solution.