{HEAD ~ The power converter} 14, wherein {TAIL ~ the at least one secondary side controller} comprises a plurality of secondary side controllers, and the at least one switch comprises a plurality of switches 
wherein
{ HEAD ~ The power converter } 14 , wherein { TAIL ~ the at least one secondary side controller } comprises a plurality of secondary side controllers , and the at least one switch comprises a plurality of switches
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL 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