AC-DC converter with PFC
2 February 2011
Power Electronics / Power Management
Vicor has introduced the new PFM VI Brick module, an isolated AC-DC converter with power factor correction (PFC). With its adaptive cell architecture enabling consistently high efficiency over worldwide AC mains, the converter delivers 330 W at 48 V SELV (safety extra low voltage) in a 9,5 mm profile.
Unlike low-frequency AC-DC front ends using a PFC boost stage and a DC-DC down-converter, the PFM converter provides isolation, voltage transformation and PFC regulation in a single stage using advanced, high-frequency soft switching technology. Its small size, coupled with secondary-side energy storage at 48 V, allows flexibility and creativity to design slim products with competitive advantages. Its modular, scalable power component functionality supports efficient, cost-effective power systems with N+1 redundancy.
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