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