Half-bridge flyback power converter

Details Half-bridge flyback power converter Half-bridge flyback power converter

2006-06-13

2006-06-13

Han, Jessica (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

C363S017000, C363S132000, C363S040000

Reexamination Certificate

active

07061776

ABSTRACT:
A half-bridge flyback power converter is provided. The half-bridge flyback power converter comprises a high-side switch and a low-side switch periodically conducting an input voltage to a primary winding of a transformer. When the high-side switch and the low-side switch are switched off, energy stored in the transformer is transmitted to a secondary circuit and serves to charge a bulk capacitor. A forward diode facilitates to combine the input voltage with a voltage across the bulk capacitor for powering the secondary circuit. Therefore, the power consumption of the leakage inductance is reduced and circuit topology is simplified.

REFERENCES:
patent: 5621623 (1997-04-01), Kuriyama et al.
patent: 6031748 (2000-02-01), Hong
patent: 6507500 (2003-01-01), Liang
patent: 6538906 (2003-03-01), Ke et al.
patent: 6717827 (2004-04-01), Ota
patent: 6952354 (2005-10-01), Yang et al.

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