The power converter has {HEAD ~ at least one switch} that is operated at a switching frequency that results in {TAIL ~ switch current} flows through the switch 
The power converter has { HEAD ~ at least one switch } that is operated at a switching frequency that results in { TAIL ~ switch current } flows through the switch
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH