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Proposes a buck converter operating at constant switching frequency, whose active switches and recovery diode commutate at zero-voltage-switching (ZVS), with zero capacitive turn-on losses. Use of parasitic capacitances of the switches; When the resonant stage takes place.

Presents an electronics study which proposes a switched-capacitor-based (SC) step-up dc (direct current) converter for the aeronautical industry. Small size and light weight switched-mode power supplies required by the aeronautical industry; Use of two switched-capacitor circuits to control the energy flow from an unregulated voltage source to a regulated output.