Cherokee International Awarded Patent for DC/DC Circuit
June 02 2008 - 8:02AM
Business Wire
Cherokee International (NASDAQ:CHRK), a leading manufacturer of
power supplies, today announced that it has received a patent for
its innovative �Lossless Clamp� circuit for DC/DC converters that
can be used as a standalone stage or incorporated in AC/DC products
. The �Lossless Clamp� patent lowers dissipation losses and renders
the DC/DC converter stage more efficient. �Based upon our
experience, we have found that this patent has extended our
performance for circuits using synchronous rectification by
minimizing the drain to source voltage spike during switching
transitions resulting in a significant gain in efficiency to the
order of several percentage points,� said Michael Wagner, vice
president of marketing for Cherokee International. �This effort was
spearheaded by Moshe Domb, director of research and development for
Cherokee International in collaboration with several other members
of the engineering team including Jackie Tang, director of
engineering and Alex Patel, vice president of engineering.� With
Cherokee International�s now patented approach, overall power
supply efficiency is improved by 3-4 percentage points � a key win
in an industry where overall efficiency is a driver for OEM design
wins. This patented approach is currently available in the
company�s CAR2500 Series, CAR1200 Series, and several custom power
supplies. �We are extremely excited about this patent and proud of
our engineering team for its ability to improve efficiency
performance within our products,� said Jeffrey M. Frank, president
and CEO for Cherokee International. �The patent is particularly
valuable and constructive as our customers continue to advocate
higher system level efficiencies with the goal of increasing their
competitiveness in their end markets while at the same time
reducing their total cost of ownership.� About Cherokee
International Cherokee International designs, manufactures and
markets high-reliability custom and standard switch-mode power
supplies for datacom, telecom, medical and process-control
applications. With advanced manufacturing facilities and
engineering expertise located worldwide, Cherokee applies a
customer-focused approach to provide high-reliability power
products to manufacturers, reducing time to market. As the leading
provider of custom-designed power sources, Cherokee also delivers a
complete range of standard and modified-standard AC/DC power
supplies, AC/DC rectifiers and power shelves, and DC/DC converters.
Cherokee International headquarters are at 2841 Dow Ave, Tustin,
California 92780 and can be reached at +1 714 544 6665. European
operations are at Boulevard de l�Europe 131, 1301 Wavre, Belgium
and can be reached at +32 10 438 510. Cherokee International
(China) Power Supply Ltd. is located at 1353 Chenqiao Road,
Shanghia Fengpu Industrial Park Shanghai, 201401 China and can be
reached at 021 6710 8910. Additional information about the company
and its products is available at http://www.cherokeepwr.com.
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