Expansion of the Factorized Power Architecture Product Line

November 13, 2012
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VI Chip PRM Non-Isolated Voltage RegulatorsToday we introduced a new, higher power version of our VI Chip® PRM® non-isolated voltage regulators.

What’s the signficance of these new products?

As discussed in a recent post, Vicor’s Factorized Power Architecture (FPA®) separates, or ‘factorizes’, regulation and voltage transformation functions into flexible, high performance building blocks. PRM modules accept an unregulated input voltage and produce a regulated output; VI Chip VTM®Current Multipliers provide isolation and voltage and current transformation. Used together, they offer the industry’s highest density and efficiency in converting an unregulated 48V bus to the low voltages – as low as 0.5 VDC – required by contemporary electronics.

Vicor’s VI Chip 48V PRM Regulators The new PRMs – in full-chip (3.25 x 2.2 x 0.67 cm) and half-chip packages (1.63 x 2.2 x 0.67 cm ) – deliver up to 500 Watts, significantly improving the density available for DC-DC regulation.  In fact, one of them achieves a density of up to 1,700 W/in3 (103 W/cm3).

 

What else do you need to know?

  • 97.5 % efficiency at full load, significantly simplifying thermal management
  • Input voltage ranges of both 36-75V and 38-55V
  • Can generate an isolated 0.5 V to 55 VDC output when used with VTM current multipliers
  • Integrated features in one package: adaptive loop, local loop and remote sense
  • May be paralleled to achieve increased output power

How do we achieve these levels of power density, efficiency and design flexibility? The products incorporate an advanced version of Vicor’s proprietary high frequency ZVS buck-boost technology. Look out for a post in the near future with information on this technology.

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Expansion of the Factorized Power Architecture Product Line

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