{HEAD ~ A comparator circuit} outputs {TAIL ~ a signal} corresponding to a difference between a control voltage output from one of the synchronous rectifier circuits and a reference voltage 
outputs
{ HEAD ~ A comparator circuit } outputs { TAIL ~ a signal } corresponding to a difference between a control voltage output from one of the synchronous rectifier circuits and a reference voltage
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH