A circuit and method for providing a fully integrated DC-DC converter using on-chip switched capacitors is disclosed. A switched capacitor matrix is coupled as a digitally controlled transfer capacitor. A pair of non-overlapping, fixed frequency clock signals is provided to a switched capacitor circuit...http://www.google.ca/patents/US7907429?utm_source=gb-gplus-sharePatent US7907429 - Circuit and method for a fully integrated switched-capacitor step-down power converter
