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TPS65217C DCDC2输出纹波大



使用am335x+tps65217c,使用中发现轻载时,65217的DCDC2输出纹波较小,10mv左右,重载时,其纹波增大,约为20mv,此时会出现死机现象,目前是通过软件提高DCDC2的输出电压值,但是如果DCDC2输出电压长时间较高的话,CPU可能无法承受,问下各位有什么方法减小纹波吗?