The XP Power JCA0412D03 is a DC/DC converter that is designed to convert 12V input voltage to 3.3V output voltage with up to 4.2A of current. It features ULTRA compact industry standard quarter brick size, wide 4:1 input range, a very high efficiency of up to 91%, over-temperature protection, remote sense compensation, adjustable output voltage, and an IEC950 approved component. The JCA0412D03 is an ideal power solution for distributed power architectures and applications such as telecom, industrial, medical, and other high-performance applications.