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This work reports on a 600 V GaN-on-Si power transistor with monolithic integrated gate driver. The circuit is based on Schottky-gate depletion-mode technology and fabricated on a 2×3 mm2 chip. The push-pull gate driver stage implements a quasi-normally-off pull-up transistor, fabricated with monolithic integrated series-connected Schottky diodes for positive voltage-level shifting in the source path...
AlGaN/GaN HEMTs show low on-state resistance and small gate capacitances, which makes them good candidates for switching applications. Up to now, their exploitations in dc/dc converters have been largely investigated in high power electronics but with switching frequencies under 1 MHz. In this brief, the potentialities of GaN HEMTs are investigated for high-speed dc/dc converters. To this aim, a 10-MHz...
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