Electricity: power supply or regulation systems – Output level responsive – Phase controlled switching using electronic tube or a three...
Reexamination Certificate
2008-05-23
2011-10-04
Han, Jessica (Department: 2838)
Electricity: power supply or regulation systems
Output level responsive
Phase controlled switching using electronic tube or a three...
C323S240000, C323S272000, C323S284000
Reexamination Certificate
active
08030908
ABSTRACT:
A multi-phase DC-DC controller. The multi-phase DC-DC controller comprises converter channels, a channel control device and a power control device. Each converter channel comprises a switch device, a first output node and an inductor coupled between the switch device and the first output node. The channel control device generates adjusted pulse width modulation signals according to control signals of the converter channels to respectively control operation of the switch device in each converter channel. The power control device generates the control signals according to sensed currents in the converter channels so as to dynamically turn on or off each converter channel according to the sensed currents.
REFERENCES:
patent: 6414470 (2002-07-01), Liu et al.
patent: 6683441 (2004-01-01), Schiff et al.
patent: 7064528 (2006-06-01), Jochum et al.
Han Jessica
Thomas|Kayden
UPI Semiconductor Corporation
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