hi,
in case of dc-dc converters what is the main difference between switching freq , bandwidth and cross over frequency.
is the cross over frequency is almost equal to bandwidth ?
thanks
Crossover frequency is just the frequency at which the total loop gain is 0dB. I don't think "bandwidth" has a specific meaning with regards to smps. Could possibly refer to the -3dB point of the converter's transfer function, or the -3dB point of the closed loop transfer function.