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LMZ14203H: Switching frequency

Cedrick
Expert 8270 points
Part Number: LMZ14203H

Hi,

Good day.

Our customer used the LMZ14203H in their device. 28V input and 15V output. The load current is only 100ma.
When the load is 100ma the LMZ14203H switching frequency is 17K
When the load is 200ma the switching frequency is 35K
Their circuit is designed according to the reference

Does light load work have anything to do with this?

Thank you.


Regards,

Cedrick