Switched-mode power supply with a damping network

Details Switched-mode power supply with a damping network Switched-mode power supply with a damping network

2006-03-28

2006-03-28

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S125000, C363S047000

Reexamination Certificate

active

07019994

ABSTRACT:
The switched-mode power supply contains a transformer, a switching transistor in series with the primary winding of the transformer, and a damping network on the secondary side, which has a connection for a further secondary winding via which energy is transferred from this damping network, by way of example, to a charge-storage capacitor which is coupled to this secondary winding. The connection is advantageously produced via a rectifying element, for example a diode, which is coupled after the rectifying diode (D5) for the second secondary winding. In a further exemplary embodiment, the diode in the series circuit, which is connected in parallel with the rectifier diode for the first secondary winding, is not coupled to the charge-storage capacitor for the first secondary winding, but is likewise coupled to the charge-storage capacitor for the second secondary winding.

REFERENCES:
patent: 5278748 (1994-01-01), Kitajima
patent: 5898581 (1999-04-01), Liu
patent: 40 29 221 (1992-03-01), None
patent: 0 695 023 (1996-01-01), None
patent: 10248254 (1998-09-01), None
See copy of International Search Report attached to PCT Publication.

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