Other Parts Discussed in Thread: LM3478
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Hi
使用较大的电感会导致较小的纹波电流给输出电容充电,而当输出电容非常大的时候,容易造成较大的输出纹波,你可以测试看看?
按照你400kHz的频率设计,可以选择较小的电感,较小的非常低的ESR输出电容应可以达到非常低纹波的效果,避免闪烁。