The circuit disclosed comprises, firstly, a boost converter comprising: a port for an input voltage, {HEAD ~ an inductor} connected between a first terminal of the port for the input voltage and {TAIL ~ a node LX}, wherein a high voltage coil switch circuit is shorting the inductor when a current through the inductor reaches zero during DCM mode, and said high voltage switch circuit being controlled by a boot strap circuit 
The circuit disclosed comprises , firstly , a boost converter comprising : a port for an input voltage , { HEAD ~ an inductor } connected between a first terminal of the port for the input voltage and { TAIL ~ a node LX } , wherein a high voltage coil switch circuit is shorting the inductor when a current through the inductor reaches zero during DCM mode , and said high voltage switch circuit being controlled by a boot strap circuit
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