The SD-25A-12 is a 25.2W single-output DC-DC converter designed to provide a stable 12V DC output. It operates over a 2:1 wide input voltage range of 9.2V to 18V DC and delivers a rated current of 2.1A with a typical efficiency of 75%. Key features include a low ripple and noise of 120mVp-p, an adjustable output voltage range from 11V to 16V, and a fixed switching frequency of 83KHz. The converter is equipped with protections for short circuit, overload, and over-voltage, and features 1500VAC I/O isolation, making it a reliable and cost-effective power solution for various industrial and electronic applications.