A synchronous DC-to-DC converter includes an inductor coupled to receive an input voltage, a first transistor having a source coupled to a first reference voltage and a drain coupled to the inductor, and a second transistor having a source coupled to an output conductor to produce an output voltage and...http://www.google.fr/patents/US7535210?utm_source=gb-gplus-shareBrevet US7535210 - Predictive duty ratio generating circuit and method for synchronous boost converters operating in PFM mode
Predictive duty ratio generating circuit and method for synchronous boost ...
