Patent ID: 6906578

Claim:
A control loop circuit for optimizing an output of a power supply under varying load conditions, the control loop circuit comprising: a first control path coupled to the output of the power supply, the first control path including an error amplifier having an output, the error amplifier operative to generate an error signal to a main loop amplifier, the error signal representing the difference between a desired output and a sensed output; and a second control path coupled to the output of the error amplifier and responsive to the error signal to generate a dynamic compensation signal, the second control path comprising: input conversion circuitry for converting the error signal into a digital signal; a digital-signal-processor coupled to the input conversion circuitry; a look-up table for storing optimal compensation signal responses to detected error signals, the digital-signal-processor operative in response to the digitized error signal to access the look-up table and identify the optimal compensation signal, and generating the optimal signal; and output conversion circuitry for connecting the optimal signal to the main loop amplifier output.