CUI expands open frame power supply family up to 150W

The single-output supplies are higher-power additions to their recently released series of second generation open frame power supplies, designed to provide a number of improvements over the company’s previous offering, including higher efficiencies, improved no-load performance, and a boost in power.

The power supplies can accommodate a wide universal input voltage of 90~277Vac at 47-63Hz input, offering global compatibility for OEM manufacturers. They have been created to provide an industry leading combination of efficiency and competitive pricing, making the series ideally suited for use in a wide range of ITE, industrial, and consumer electronics applications.

The 100, 120 and 150W versions offer output voltage options of 5, 12, 15, 24, 36 and 48Vdc depending on the series. All models include output voltage adjustment of +/-5 percent via an onboard potentiometer.

The VOF-100 is rated for operation at 100 percent load with 6.7 CFM of forced air cooling from -20°C to 50°C, de-rating to 50 percent load at 60°C. VOF-120 and VOF-150 models operate under convection cooling conditions at 100 percent load from -20°C to 40°C, also de-rating to 50 percent load at 60°C.

All models are packaged in industry standard footprints.  The 100 W VOF series measures just 101.6 x 50.75 x 33.6mm, while the 120 W and 150 W VOF models measure 127 x 76.2 x 33.1mm.

Reaching efficiencies of up to 90 percent and no-load power consumption as low as 0.25W, the VOF Series also carries UL/cUL and TUV 60950-1 safety certifications and are qualified for the CE mark, EN 55022 Class B, and FCC Class B EMI standards.

Protections for over-voltage, over-current and short-circuit are included, as well as primary-to-secondary isolation voltage of 3kVac. The VOF-150 series also comes with active power factor correction.