Technical Articles

Defense Power Market Trends

February 24, 2012
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Defense Power Market Trends

Vicor’s Kai Johnstad recently sat down with John McHale, editor of Military Embedded magazine, to discuss trends in the defense power market.  His observations, along with those of other power players, have just been published online in the feature article: Military Embedded Systems: Power electronics designs trending smaller and more efficient.

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How to Ensure DC-DC Converter Stability

February 6, 2012
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Most power system designers are aware that the impedance of their power input source should be small compared to the input impedance of their switch-mode DC-DC converter to ensure its stable operation. Also, many designers connect a large electrolytic capacitor across their DC-DC converter input to further increase stability. This article explains why these factors are important and offers designers advice on how to comply with them. Read full PDF article: How to ensure DC-DC converter stability

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Why Choose Active ORing Instead of a Traditional Diode?

December 1, 2011
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Why Choose Active ORing Instead of a Traditional Diode?

An interview with Chester Firek, Senior Product Marketing Manager for the Vicor Cool-ORing family of Active ORing  power management solutions. The discussion covers the advantages and challenges of Active ORing over traditional diode solutions. There’s also a white paper and Cool-ORing family product matrix at the end of the post.

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Background to Factorized Power Architecture

November 25, 2011
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Background to Factorized Power Architecture

Supplying power to early electronics systems was relatively straightforward and could typically be accomplished with a single silver box AC-DC supply. However as system performance, power density and load voltage proliferation steadily increased, more sophisticated power systems architectures became necessary. This article looks at this evolution and introduces Factorized Power Architecture, which allows designers to meet the challenges of today’s high-performance electronics. Some History and Some Problems In the beginning, there was 5 V, and it was good. In the mid Eighties you could build a 19” VMEbus system with several MC68000 processor boards,...

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