Informatica Cheap DC-DC and AC-DC Converters Automated Efficiency Measurement Method 31 Dicembre 2015 admin Well, the thing is – now you can easily buy DC-DC converter chips for less than $0.2 in relatively small quantities. And because of that, and because different voltages required by microcontrollers and other chips – you can find yourself putting two or even more DC-DC converters on a single board.