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