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