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LM25122-Q1这款芯片的参考设计TIDA-01610,适用于音频放大器的汽车跟踪电源参考设计中输出LC滤波电路的参数是怎么计算的,这中结果的LC滤波是不是称之为Π型滤波,是根据电路的开关频率来计算还是,还有就是为什么要多个4.7uF的电容并在一起,这有什么作用。电路图如下