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Performance Evaluation of GaN-Based Synchronous Boost Converter under Various Output Voltage, Load Current, and Switching Frequency Operations
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  • Journal title : Journal of Power Electronics
  • Volume 15, Issue 6,  2015, pp.1489-1498
  • Publisher : The Korean Institute of Power Electronics
  • DOI : 10.6113/JPE.2015.15.6.1489
 Title & Authors
Performance Evaluation of GaN-Based Synchronous Boost Converter under Various Output Voltage, Load Current, and Switching Frequency Operations
Han, Di; Sarlioglu, Bulent;
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Gallium nitride (GaN)-based power switching devices, such as high-electron-mobility transistors (HEMT), provide significant performance improvements in terms of faster switching speed, zero reverse recovery, and lower on-state resistance compared with conventional silicon (Si) metal-oxide-semiconductor field-effect transistors (MOSFET). These benefits of GaN HEMTs further lead to low loss, high switching frequency, and high power density converters. Through simulation and experimentation, this research thoroughly contributes to the understanding of performance characterization including the efficiency, loss distribution, and thermal behavior of a 160-W GaN-based synchronous boost converter under various output voltage, load current, and switching frequency operations, as compared with the state-of-the-art Si technology. Original suggestions on design considerations to optimize the GaN converter performance are also provided.
Gallium nitride;Semiconductor loss;Synchronous boost converter;
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