a sixth and {HEAD ~ a seventh NMOS device} forming {TAIL ~ a current mirror}, wherein both sources are connected to an output voltage of the boost converter, both gates and a drain of the fifth NMOS device are connected to 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 
forming
a sixth and { HEAD ~ a seventh NMOS device } forming { TAIL ~ a current mirror } , wherein both sources are connected to an output voltage of the boost converter , both gates and a drain of the fifth NMOS device are connected to 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 HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 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