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开关模式电源(Switch Mode Power Supply,简称SMPS)
现代开关模式电源(SMPS)使用固态开关将未调节的直流输入电压转换为不同电压水平的稳定且平滑的直流输出电压。输入电源可以是来自电池或太阳能电池板的真正直流电压,也可以是使用二极管桥和一些额外电容滤波的交流电源整流后的直流电压。
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