Controlling a switching regulator mode determined by an...

Electricity: power supply or regulation systems – Output level responsive – Using a transformer or inductor as the final control device

Reexamination Certificate

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C323S225000, C323S299000

Reexamination Certificate

active

07884586

ABSTRACT:
This disclosure relates to a voltage regulator system where duty cycle value of an input voltage is measured, where the input voltage is supplied to a regulator circuit that provides a regulated output voltage. Based on a calculated ideal duty cycle, which is derived from the measure duty cycle, a determination is made as to whether the regular circuit operational mode is to be changed to achieve greater efficiency.

REFERENCES:
patent: 5134355 (1992-07-01), Hastings
patent: 5705920 (1998-01-01), Watanabe et al.
patent: 6166527 (2000-12-01), Dwelley et al.
patent: 6275016 (2001-08-01), Ivanov
patent: 6979988 (2005-12-01), Sutardja et al.
patent: 2008/0136387 (2008-06-01), Bertele
patent: 19853626 (2000-05-01), None
patent: 2008001680 (2008-07-01), None

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