Trench-based power rectifiers with optimized electrical performance are presented in this letter in order to cover high-temperature applications and high-voltage capabilities ranging from 70 to 100 V. A three-step epitaxial layer substantially improves forward, reverse, and dynamic recovery characteristics up to 200 • C, exhibiting considerable advantages over conventional planar rectifiers.Index Terms-High temperature, power diode, power rectifier, recovery speed.
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