control signal reaches a particular level application_number US 36729009 A description in the present disclosure numerous specific details are provided such as examples of circuits components and methods to provide a thorough understanding of embodiments of the invention persons of ordinary skill in the art will recognize however that the invention can be practiced without one or more of the specific details in other instances well known details are not shown or described to avoid obscuring aspects of the invention fig1 schematically shows a conventional switched mode power supply that may be adapted to take advantage of embodiments of the present invention in the example of fig1 an llc resonant half bridge converter 100 is configured to step down an input voltage v in to a lower output voltage v o for example the converter 100 may step down an input voltage v in of 400 vdc to an output voltage v o of 24 vdc and generate an output current i o ranging from 0 to 5 a it is to be noted that the operation of an llc resonant half bridge converter in general is well known in the art as is typical of modern switched mode power supplies the converter 100 includes an integrated circuit 130 to control switching of a pair of synchronously switched output transistors m 1 and m 2 to generate the regulated output voltage v o the output transistors m 1 and m 2 are shown as metal oxide semiconductor field effect transistors mosfet and integrated with the integrated circuit 130 for illustration purposes however that is not necessarily the case for example the transistors m 1 and m 2 may be bipolar transistors and or packaged separately from the integrated.