The ATDC1934 is a wide input range, high-efficiency, and high frequency DC-to-DC step-down switching regulator. It is powered by a DC voltage between 4V to 38V and output current can go up to 0.7A, with a fixed switching frequency of 660kHz. This evaluation board, ATDC1934EV1, is designed for evaluating the step-down DC/DC converter ATDC1934 conveniently. It is recommended to read this application note with the converter datasheet which provides more detail information about the specifications and application guidance for the converter.