{HEAD ~ A shunt diode} between the inductor and the second FET switch provides a path for {TAIL ~ the inductor} to discharge through when the second switch opens the path between the storage capacitor and the inductor 
{ HEAD ~ A shunt diode } between the inductor and the second FET switch provides a path for { TAIL ~ the inductor } to discharge through when the second switch opens the path between the storage capacitor and the inductor
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH