BUCK模式下电感啸叫,而且发热,啸叫频率随负载变大而提高;
BOOST模式下电感工作正常,请问这是什么原因导致的?
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Hi
首先用webench在线仿真确认一下电路。
其次测试一下buck模式下的驱动是否异常?
最后就是按照datasheet layout要求确认一下.