{HEAD ~ A second FET switch}, operating out of {TAIL ~ phase} with the first switch, allows the storage capacitor to discharge through an inductor back to the unregulated input source 
operating out of
{ HEAD ~ A second FET switch } , operating out of { TAIL ~ phase } with the first switch , allows the storage capacitor to discharge through an inductor back to the unregulated input source
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL 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