PQME3-M 3W Isolated DC/DC Converters CUI Inc PQME3-M 3W Isolated DC/DC Converters provide up to 3W continuous power in an ultra-compact, 14-pin, surface-mount package. PQME3-M DC/DC converters offer a 4:1 input range and no-load power consumption under 0.1W. These DC/DC converters from CUI Inc operate over a -40°C to +85°C temperature and deliver efficiencies up to 84%.