Other Parts Discussed in Thread: TPS54540
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输出电压为 18VDC,加载电源工作正常,电路和电感都是根据TI的WEBENCH选择的
纹波本身的幅度并不是很大,关键是周期不对,2ms,频率是500HZ
你好,这款芯片在轻载条件下会进入Eco-mode以提高轻载效率,所以这是正常情况,可以参见数据手册的图42