Step-down converters’ switch-node voltage waveform defines the electromagnetic compatibility (EMC) behavior for automotive CISPR 25 Class 5 measurements. The ringing frequency in the switch-node ...
Wurth has a handy EMC filter kit which includes: common-mode chokes, X capacitors, Y capacitors, ten prototyping PCBs and even discharge resistors for the X capacitors. There might be several types of ...