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准谐振反激的原理、应用及参数计算

作者：时间：2010-09-07 来源：网络

　　当副边绕组中的能量释放完毕之后(即变压器磁通完全复位)，在开关管的漏极出现正弦波振荡电压，振荡频率由LP、CP决定，衰减因子由RP决定。

　　对于传统的反激式变换器，其工作频率是固定的，因此开关管再次导通有可能出现在振荡电压的任何位置(包括峰顶和谷底)。

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关键词：计算参数应用原理谐振

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