Patent ID: 8502509
Filing Date: 2013-08-06
Classification: H02M

Abstract:
1. A power conversion system for reducing cross regulation effect comprises: a switching circuit electrically connected to an inductor for controlling the inductor charged and discharged therefore providing a plurality of output voltages; a plurality of error amplifiers electrically connected to the switching circuit for receiving an feed back each of the plurality of output voltages therefore generating an error signal of each the output voltage; a voltage feedback adjustment circuit electrically connected to the plurality of error amplifiers for receiving and modulating the error signal of each the output voltage therefore generating a plurality of error modulating signals; a peak generator electrically connected to the voltage feedback adjustment circuit for receiving the plurality of error modulating signals therefore generating a peak voltage; and a comparator and control circuit unit for receiving at least one of the plurality of error modulating signals and the peak voltage and respectively comparing with an inductor voltage across the inductor to generate a plurality of control signals to control the switching circuit.