Multi-threshold multi-gain active transient response circuit...

Details Multi-threshold multi-gain active transient response circuit... Multi-threshold multi-gain active transient response circuit...

2010-12-15

2011-11-01

Behm, Harry (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

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

C323S284000, C323S272000

Reexamination Certificate

active

08049482

ABSTRACT:
Disclosed is a multi-phase pulse width modulated voltage regulator and method in which transient voltage excursions or deviations that exceed the load line voltage by more than a pre-determined amount are detected by an ATR circuit and a correction signal is applied. The correction signal is in the form of asynchronous pulses and the number of such pulses is a function of the magnitude of the voltage excursion as determined by the number of thresholds that are exceeded. Also disclosed is an adaptive voltage positioning (AVP) circuit and method for early detection of a transient event by sensing voltage changes at the load and adjusting the target voltage with pre-determined current values prior to the time that ATR event changes in the current at the load are detected.

REFERENCES:
patent: 5635934 (1997-06-01), Brown
patent: 6512353 (2003-01-01), Sanzo et al.
patent: 2003/0006650 (2003-01-01), Tang et al.
patent: 2003/0141858 (2003-07-01), Caine et al.

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