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