control logic, having a pair of inputs each coupled to an output of a respective voltage monitor, and having an output coupled to {HEAD ~ the control input} of {TAIL ~ the voltage regulator} 
of
control logic , having a pair of inputs each coupled to an output of a respective voltage monitor , and having an output coupled to { HEAD ~ the control input } of { TAIL ~ the voltage regulator }
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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL