As the input voltage {HEAD ~ VIN} 602 increases to a certain level that {TAIL ~ the duty cycle} reaches a maximum threshold level , the maximum duty cycle detection logic 340, which comprises a digital comparator, responds to this condition and sets the signal MAX D to a logical “high” level 
As the input voltage { HEAD ~ VIN } 602 increases to a certain level that { TAIL ~ the duty cycle } reaches a maximum threshold level , the maximum duty cycle detection logic 340 , which comprises a digital comparator , responds to this condition and sets the signal MAX D to a logical “ high ” level
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH