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TAS5612LA做的功放,在待机时芯片就很烫,输出电感更烫,怎么改善?

如题,完全按PDF文档推荐的电路做出来的,到处都这么烫,本来数字功放高效节能,只需很小的散热片,甚至有的可以不用,为什么会这样,请教各位专家。