Military & Aerospace Electronics

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MOSFET chip set enables efficient 336-watt converters

International Rectifier in El Segundo, Calif., is offering the DirectFET chipset that makes the most of DC bus-converter efficiency when used with the company’s IR2086S full-bridge bus-converter integrated circuit. The chip set enables a bus-converter solution capable of delivering 336 watts with 97 percent efficiency in a footprint 29 percent smaller than a “quarter-brick” converter. The IRF6646 and IRF6635 are optimized for 48-volt regulated and 36-volt to 60-volt input bridge topologies in isolated DC-DC bus converters, synchronous buck non-isolated DC-DC topologies, 18-volt to 36-volt input forward and push-pull converters for mobile communication, and secondary-side synchronous rectification in regulated output-isolated DC-DC applications. For more information contact International Rectifier online at www.irf.com.

Military & Aerospace Electronics September, 2005



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