As the name implies, these power converters accept a direct current (DC) input and convert it to a direct current (DC) output. Why bother?  Usually it is because the voltages are different, but it could also be because of isolation requirements, electromagnetic interference (EMI) requirements, or some kind of command and control function is needed between the input and the output.

While many of our supplies are designed with standard input ranges such as specified in various military and industry specifications, sometimes we've developed products for other input ranges.  Key parameters to think about are the range of the DC input, the range of the DC output, the amount of power to be converted, and any package and environmental requirements for the application.