a sixth and a seventh NMOS device forming a current mirror, wherein both sources are connected to an output voltage of the boost converter, both gates and {HEAD ~ a drain} of the fifth NMOS device are connected to {TAIL ~ a first terminal} of a second capacitive means and to an anode of a second rectifying means, and the drain of the seventh transistor is connected to a first terminal of a current source and to a first terminal of a flip flop 
connected to
a sixth and a seventh NMOS device forming a current mirror , wherein both sources are connected to an output voltage of the boost converter , both gates and { HEAD ~ a drain } of the fifth NMOS device are connected to { TAIL ~ a first terminal } of a second capacitive means and to an anode of a second rectifying means , and the drain of the seventh transistor is connected to a first terminal of a current source and to a first terminal of a flip flop
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 HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL 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 OTH OTH OTH OTH