A power control system includes a switch mode controller to control the switching mode of a switching power converter. The switch mode controller generates a switch control signal that controls conductivity of a switch of the switching power converter. Controlling conductivity of the switch controls...http://www.google.com/patents/US20080272758?utm_source=gb-gplus-sharePatent US20080272758 - Switching Power Converter with Switch Control Pulse Width Variability at Low Power Demand Levels