Method and control circuit for power factor correction

Details Method and control circuit for power factor correction Method and control circuit for power factor correction

2006-08-29

2006-08-29

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

In shunt with source or load

Using choke and switch across source

C323S285000, C323S205000

Reexamination Certificate

active

07098631

ABSTRACT:
A power factor correcting converter includes a control circuit that modulates on and off intervals of a power switch so that a momentary input current of the converter is directly proportional to both a momentary value of an input voltage of the converter and to a momentary value of a current absorbed by a load coupled to an output of the converter.

REFERENCES:
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patent: 5867379 (1999-02-01), Maksimovic et al.
patent: 6307361 (2001-10-01), Yaakov et al.
patent: 6657417 (2003-12-01), Hwang
patent: 6693411 (2004-02-01), Bub et al.
Gegner et al., “Linear Peak Current Mode Control: A Simple Active Power Factor Correction Control Technique for Continuous Conduction Mode,” 1996 IEEE, pp. 196-202.
Infineon Technologies, CCM-PFC ICE1PCS01 ICE1PCS01G, Standalone Power Factor Correction (PFC) Controller in Continuous Conduction Mode (CCM), Datasheet, V1.1, May 28, 2003.
Green Power Technologies Ltd., “Toward a Plug-and-Play Approach for Active Power Factor Correction,” Published in Power Electronics EUROPE, Issue 1, 2004, 9 pages, no month.
Green Power Technologies Ltd., “GPTC110XX Continuous Current Mode Power Factor Correction Controllers Family—Data Sheet, Applications Note,” www.g-p-t.com; Admitted Prior Art, 24 pages, no date.

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