Are PCB Ground Planes Placed Under Inductors in Switching Regulators?
We love answering questions from our readers and YouTube viewers, and one of the recent questions we received relates to EMI from switching elements in a switching regulator:
Should a cutout be placed below the inductor in a switching regulator circuit?
This is another one of those “it depends” questions as it relates to the type of inductor being used in the PCB design, the coil orientation, and whether magnetic flux leakage from the...