Boost device for voltage boosting

Details Boost device for voltage boosting Boost device for voltage boosting

2009-02-19

2011-10-11

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

Reexamination Certificate

active

08035361

ABSTRACT:
A boost device boosts an input voltage to an output voltage across an output capacitor, and includes first and second output diodes coupled to the output capacitor, and a transformer coupled to first and second switches, first and second switching circuits, and to the first and second output diodes, and receiving the input voltage. The first and second switches are operated alternately in an ON-state, and have overlapping duty cycles. The first and second switching circuits are operable to suppress conduction losses for the first and second switches. The transformer has a bi-directional magnetic circuit. Electric energy is transformed through induced currents of the transformer, and a small amount of energy attributed to an exciting current of the transformer is used for voltage boosting, thereby attaining a relatively high output power.

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patent: 4683529 (1987-07-01), Bucher, II
patent: 7298118 (2007-11-01), Chandrasekaran
patent: 7382113 (2008-06-01), Wai et al.
patent: 2007/0096700 (2007-05-01), Weng et al.

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