As the input voltage VIN 602 increases, the switching duty cycles are increasing because {TAIL ~ the buck boost converter} 302 is in the valley control mode of {HEAD ~ operation} 
As the input voltage VIN 602 increases , the switching duty cycles are increasing because { TAIL ~ the buck boost converter } 302 is in the valley control mode of { HEAD ~ operation }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD