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DLPA2000的led驱动一路存在器件啸叫

Other Parts Discussed in Thread: DLPA2000

我现在DLPA2000是用5V供电,但是5V上面还有VLED上面的纹波都比较大,导致这两路上面的22uf电容存在啸叫。问下有没有办法能够消除此啸叫?