Quick response width modulation for a voltage regulator

Details Quick response width modulation for a voltage regulator Quick response width modulation for a voltage regulator

2009-03-06

2011-11-22

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

C323S284000

Reexamination Certificate

active

08063617

ABSTRACT:
A per-phase quick response generation circuit generates a quick response signal to determine a quick response pulse to be inserted into a pulse width modulation signal of the corresponding phase. The quick response pulse will force the upper power switch of the corresponding phase on to increase the current supply ability during load transition. A multi-phase voltage regulator with the quick response generation circuit can have different quick response pulse widths for the interleaved phases, so as to decrease the current imbalance period of the voltage regulator after load transition.

REFERENCES:
patent: 6271650 (2001-08-01), Massie et al.
patent: 7812581 (2010-10-01), Qiu et al.

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