Thus, {TAIL ~ the buck mode} of operation may be pulling too much energy to {HEAD ~ the load} and the output voltage VOUT 604 decreases 
Thus , { TAIL ~ the buck mode } of operation may be pulling too much energy to { HEAD ~ the load } and the output voltage VOUT 604 decreases
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH