Referring now to FIG 6, there is illustrated the conversion of the buck boost converter 302 from {TAIL ~ the boost mode} of {HEAD ~ operation} to the buck mode of operation 
Referring now to FIG 6 , there is illustrated the conversion of the buck boost converter 302 from { TAIL ~ the boost mode } of { HEAD ~ operation } to the buck mode of operation
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH