Power supply with feed forward circuit

Details Power supply with feed forward circuit Power supply with feed forward circuit

2005-08-02

2005-08-02

Vu, Bao Q. (Department: 2838)

Electricity: power supply or regulation systems

Input level responsive

C323S284000, C323S301000

Reexamination Certificate

active

06924634

ABSTRACT:
In those conventional arts, a power supply with a voltage holdup circuit generates a peak voltage in output voltage when a switching operation is occurred, and so the quality of the output voltage is decreased and a risk of operating fault in a load apparatus. The present invention employs a feed forward circuit to immediately generate a forward feedback signal when a switching operation is occurred. Hence, the output voltage can be faster corrected to a accurate output voltage and so the peak voltage can be reduced.

REFERENCES:
patent: 5477112 (1995-12-01), Lesea
patent: 6529354 (2003-03-01), Shteynberg et al.
patent: 6538419 (2003-03-01), Allen et al.
patent: 6653824 (2003-11-01), Whitlock
patent: 6654261 (2003-11-01), Welches et al.
patent: 6828762 (2004-12-01), Brkovic

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