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理解输出电压纹波和噪声:来源与抑制
因此,要降低输出电压纹波可以通过降低电感电流纹波或者降低输出电容阻抗。当输入输出电压和负载一定时,电感电流的纹波跟开关频率和电感量成反比。增加电感量或者开关频率可以有效降低输出电压的纹波,但开关频率和电感往往受到电路效率和体积等的限制。
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