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DLPA3000的DCDC的电感选型

您好:

DPLA3000的参考设计上,PWR1/PWR2的电感使用的是3.3uh,vishy的一颗功率电感。在这个位置上的电感值选型有何要求么?是否我可以更换成,4.7uH的,这个电感的电流要求是多少?