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LM5146: LM5146使用Webench生成的设计,12V/5.5A带载2.5R电感啸叫,电流只有3A,请问是环路问题,还是功率回路布局问题?

Part Number: LM5146

LM5146使用Webench生成的设计,12V/5.5A带载2.5R电感啸叫,电流只有3A,请问是环路问题,还是功率回路布局问题?