衣服175和xl尺码对照表
2023-10-27 14:06:36
移相全桥电路详解
移相全桥简介
移相全桥(Phase-ShiftingFull-BridgeConverter,简称PSFB),利用功率器件的结电容与变压器的漏感作为谐振元件,使全桥电源的4个开关管依次在零电压下导通(ZerovoltageSwitching,简称ZVS),来实现恒频软开关,提升电源的整体效率与EMI性能,当然还可以提高电源的功率密度。
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