DC to DC converter with reference voltage loop disturbance...

Electricity: power supply or regulation systems – Output level responsive – Using a three or more terminal semiconductive device as the...

Reexamination Certificate

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Details

C323S288000

Reexamination Certificate

active

07489119

ABSTRACT:
A controller for a DC to DC converter with reference voltage loop disturbance compensation. The controller may include an error amplifier configured to receive a first signal representative of an actual output voltage of the DC to DC converter and a reference signal representative of a desired output voltage of the DC to DC converter and to provide an error signal representative of a difference between the first signal and the reference signal. The controller may also include a PWM modulator with reference voltage compensation circuitry configured to receive the error signal and compensate for a change in the reference signal in order to control overshoot and undershoot of the actual output voltage from a desired voltage due to the change of the reference signal. An electronic device and method are also provided.

REFERENCES:
patent: 2004/0135567 (2004-07-01), Fukui
patent: 2005/0088155 (2005-04-01), Osburn et al.
patent: 2005/0218874 (2005-10-01), Gibson et al.

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