100 A in a standard quarter-brick package

26 January 2005 Power Electronics / Power Management Surveillance

New high performance DC-DC converters that conform to the industry-standard quarter-brick footprint and pin outs, have been announced by Vicor. Said to leapfrog existing ¼-brick offerings in the areas of power density, efficiency, transient response, and cost, the superior performance of the new VICBricks is enabled by the company's V·I Chip technology.

Each VICBrick consists of two V·I Chips: a 36-75 V d.c. input pre-regulator module (PRM) that is paired with an appropriate voltage transformation module (VTM) chosen to provide the desired output voltage. While the ultra-low profile package conforms to industry-standard ¼-brick footprint (36,8 x 57,9 mm), it stands only 6,4 mm high and achieves 100 A of output current.

Efficiency at 86% for a 1,2 V_out model enables higher output currents for the same airflows and ambient temperatures. With a switching frequency of over 3 MHz, the already low level of output noise is easily filtered to negligible levels - and the transient response inherent in the VTM makes the VICBrick one of the fastest DC-DC converters in the industry.

Available standard outputs include 1,0 and 1,2 V at 100 A, 1,5 V and 1,8 V at 80 A, 2,5 V at 60 A, 3,0 and 3,3 V at 45 A, and 5 V at 30 A.

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