Application of GaAs power devices to very - high - frequency and high - efficiency DC to DC power converters

Ajram, S. ; Kozlowski, Romain ; Van de Velde, Jean Claude ; Salmer, Georges (1996) Application of GaAs power devices to very - high - frequency and high - efficiency DC to DC power converters. In: Gallium Arsenide Applications Symposium. GAAS 1996, 5-6 June 1996, Paris, France.

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Abstract

In this paper a novel possibility to obtain dc-to-dc converters with high efficiency using GaAs MESFET switches is provided. A comparison with standard MOSFET is presented and solutions for reactive element, diode, and driver are proposed. Finally we give an experimental result for hybrid prototype 5V/10V-100MHz converter with an output power of 5W and a power efficiency of 76%.

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