Cross regulation and methods for controlling boost converter

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

Reexamination Certificate

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Reexamination Certificate

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06937000

ABSTRACT:
A cross regulation controller and the methods for controlling a boost converter are proposed. The boost converter includes the first and second switch elements, and the first and second output capacitors. The cross regulation controller includes a first feedback control circuit for processing the second voltage, a sampling of the voltage across the second output capacitor, with a reference voltage to produce a third voltage and to transform the third voltage to generate a first pulse signal to drive the first switch element, and a second feedback control circuit for processing the first voltage, a sampling of the voltage across the first output capacitor, with a reference voltage to produce a fourth voltage and to transform the fourth voltage to generate a second pulse signal to drive the second switch element so as to achieve a balancing status between the first voltage and the second voltage.

REFERENCES:
patent: 5912549 (1999-06-01), Farrington et al.
patent: 6366070 (2002-04-01), Cooke et al.
patent: 6469917 (2002-10-01), Ben-Yaakov
patent: 6861830 (2005-03-01), Tzeng et al.

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