The feedback circuit responds to the sensing circuit to generate {HEAD ~ a first input signal} that is indicative of {TAIL ~ the desired level} of current through the load 
is indicative of
The feedback circuit responds to the sensing circuit to generate { HEAD ~ a first input signal } that is indicative of { TAIL ~ the desired level } of current through the load
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH