Notification 175 - Post filter resonant frequency is too high

CATEGORY

ISSUE / RESULT

FIX / REFERENCE(S)

Information

The selected post filter inductance and capacitance form a low pass filter with a cut-off frequency that is too high.

The post filter can interfere with the feedback circuit or give poor switching frequency filtering performance.

• Reduce inductance and/or the capacitance of the post filter to reduce the filter cut-off frequency to ensure correct operation.