Switched-mode power supply device

摘要

The invention relates to a switched-mode power supply device for generating a plurality of secondary voltages, having a controllable switch in series with a primary winding of a transformer, having at least one first forward-converter circuit with a first secondary winding in series with a first winding, connected to a regulator, of a half-cycle transductor and having at least one other forward-converter circuit having a further secondary winding. The intention is to produce a plurality of secondary voltages stably, while simplifying the switching means and simultaneously saving space and reducing costs. It is proposed for at least one of the additional forward-converter circuits to have another winding of the half-cycle transductor. Power supply devices.