USA - O2Micro (www.o2micro.com) International Limited development and marketing of high-performance integrated circuits and solutions announced that it was issued 24 claims under United States patent number 8,213,193 for its circuits and methods for Flyback DC/DC Converter with Feedback Control invention.

The patented flyback converter includes a controller and transformer. It uses a Constant-Ripple-Current control method and a patented feedback loop with no optical-coupled devices.

"This converter greatly reduces complexity and cost, while providing improved performance and efficiency," remarked Dr. Alex Hartular, vice president, O2Micro.