Open frame AC/DC power supplies are compact for space-constrained applications

Compact, AC/DC power supplies from CUI are supplied in an open frame, system in package (SIP) format. The 3.0 and 5.0W configurations of the PBO series measure as small as 35 x 11 x 18mm (1.38 x 0.43 x 0.71inches), to occupy less board real-estate than other power solutions, says the company. The 3.0W models are also available in low-profile, right-angle versions measuring 35 x 18 x 11mm (1.38 x 0.43 x 0.71inches), for applications where vertical board space is at a premium.

Available with typical efficiencies up to 80 per cent, the high density supplies offer an input voltage range of 85 to 264V AC or 70 to 400V DC for high voltage DC/DC systems. Single output voltages of 3.3, 5.0, 9.0, 12, 15 and 24V DC are available.

For use in challenging environments, the 3.0W models offer a wide operating temperature range of -40 to +85 degree C while the 5.0W models provide a range from -25 to +85 degree C. All models are designed to provide 3,000V AC input to output isolation.

The PBO series also meets UL60950-1/EN 60950-1 standards, complies with EN55022 Class B limits for conducted and radiated emissions and includes over current and short circuit protections. The compact models are suited for a variety of applications including industrial systems, automation equipment, security, telecommunications and smart home devices.


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