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