Since {HEAD ~ a reference voltage source}, error amplifier, and other devices are integrated into the regulator, {TAIL ~ the withstand voltage} is limited to 40 V or so 
Since { HEAD ~ a reference voltage source } , error amplifier , and other devices are integrated into the regulator , { TAIL ~ the withstand voltage } is limited to 40 V or so
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH