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TPA3118 demo版本上面用到2.2UH输出电感.输出电容要用多大的.
我查了一下, 如果是官方的 EVM, 官网的手册提供原理图, 上面所有的器件都有标注.
不知道你是哪里来的 DEMO 板. 我想你也可以参考一下 EVM 的器件.
>> L = 2.2*10^(-6);
考虑到电感Q值对频响曲线在转折频率出存在尖峰，取转折频率fc = 3.5KHz,C = 10UF.>> Wc = 2*pi*35000;>> C= (1/Wc/sqrt(L))^2
C =
9.3990e-06
