Patent 7864546 was granted and assigned to Akros Silicon on January, 2011 by the United States Patent and Trademark Office.
A power converter comprises a direct current (DC)-DC converter configured to receive an input voltage in a primary domain, a transformer coupled to and driven by the DC-DC converter and supplying an output voltage in a secondary domain, and a transmission path configured to pass a digital feedback signal through an isolation barrier from the secondary domain to the primary domain.