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Zero-voltage-switching DC-DC converters with synchronous rectifiers
Zero-voltage-switching DC-DC converters with synchronous rectifiers
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机译:带有同步整流器的零电压开关DC-DC转换器
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摘要
A DC-DC converter includes an inductor, a synchronous rectifier (SR) connected to the inductor, and an active switch connected to the inductor and the SR. An active resonant tank (ART) cell is connected to the SR or a transformer in parallel such that a resonant capacitor of the ART cell is charged through the active switch and discharged through the synchronous rectifier so that during a switch transition period energy is pumped out of the resonant capacitor by activating the ART cell to eliminate reverse recovery switching loss and achieve Zero Voltage Switching (ZVS).
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