Open frame DC/DC converters

Two open frame isolated DC/DC converter families have been unveiled by CUI. The PRD15 and PRD25 series provide 15W and 25W respectively, have a typical efficiency said to approach 91% and measure 28 x 24 x 8mm.

The PRD15 series features a 4:1 input voltage range of 9 to 36 or 18 to 75V dc, while the PRD25 series provides a 2:1 input voltage range from 36 to 75V dc. Both versions are available in through-hole and surface mount versions.

Industry standard pin outs are said to make them suitable replacements for 1 x 2in modules. For advanced systems, the output voltage of the PRD series delivers fast transient response performance and very low ripple and noise. Additionally, high efficiency and an operating temperature range from -40 to 85°C makes them suitable for convection cooled equipment.

Target applications for the PRD15 and PRD25 series include MCUs, datacom, telecom, remote sensor systems and portable electronics.

The PRD15 series is available with single regulated outputs of 3.3, 5, 12 and 15V dc, while the PRD25 offers outputs of 3.3, 5 and 12V dc. Over voltage, over current, under voltage, over temperature and short circuit protections are included and all units hold UL/cUL safety approvals.