Voltage regulator with common s-phase signals and phase lock...

Details Voltage regulator with common s-phase signals and phase lock... Voltage regulator with common s-phase signals and phase lock...

2006-09-28

2009-11-10

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

Having plural converters for single conversion

Reexamination Certificate

active

07616463

ABSTRACT:
A voltage regulator coupled to an unregulated DC input voltage source by an input terminal, and to a load by an output terminal is disclosed. The voltage regulator converts an input voltage at the input terminal to an output voltage at the output terminal. The voltage regulator includes a master controller and one or more slaves, and each slave includes a switching circuit which serves as a power switch for alternately coupling and decoupling the input terminal to an intermediate terminal, and an internal controller which sends a same control signal to each slave. Each internal controller includes a phase-locked loop which offsets the control signal so that each slave is phase-offset relative to the other slaves.

REFERENCES:
patent: 3979662 (1976-09-01), Klein
patent: 5737168 (1998-04-01), Baker
patent: 6819577 (2004-11-01), Wiktor et al.
patent: 2004/0066845 (2004-04-01), Leith et al.

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