gate arrays fpgas complex logic devices clds programmable logic digital and or analog circuits and combinations of these etc and as also discussed below the present invention can be used in power supplies drivers ballasts etc with or without dimming including triac forward and reverse dimmers 0 to 10 v dimming powerline dimming monitoring and or control wireless and other wired dimming dali dimming pwm dimming dmx etc as well as any other dimming and control protocol interface standard circuit arrangement hardware etc in general there can be additional tag along inductors to provide additional power sources for the present invention and other additional power sources such that use photovoltaics solar cells thermal mechanical vibrational wired wireless rf heat etc components in the dimmable led driver non dimmable led driver fl cfl ccfl ballast battery charger etc are powered by either or both the power source that draws power from the positive rail or the power source that draws power from a tag along inductor power sources are merely discussed for illustrative purposes and are in no way limiting in any way or form and any implementation with multiple sources of power is included in the present invention and associated embodiments time constants may be included in various locations in the feedback loop or in other locations as desired to implement different control schemes or to adjust the response of the dimmable led power supply non dimmable led driver fl cfl ccfl ballast battery charger etc and or the multiple voltage power paths time constants may be connected to the local ground if and as needed for example.