Power Integrations CEO Receives TechAmerica Innovator Award

SAN JOSE, Calif., Oct. 5, 2009 (GLOBE NEWSWIRE) -- Power Integrations
(Nasdaq:POWI), the leader in high-voltage integrated circuits for
energy-efficient power conversion, today announced that Balu Balakrishnan, the
company's president and CEO, is the recipient of a 2009 TechAmerica Innovator
Award. The awards, given annually since 1959, honor leading innovators in each
of seven technology industry segments. Mr. Balakrishnan was named this year's
winner in the electronic components category, recognizing the environmental
benefits of Power Integrations' EcoSmart(R) energy-efficiency technology, which
reduces standby power waste in electronic products. He has been issued more than
100 U.S. patents, including numerous patents related to EcoSmart technology. The
award will be presented at the TechAmerica Innovator Awards and Benefit on
October 6 in San Jose.

Mr. Balakrishnan commented: "I am honored to receive a TechAmerica Innovator
Award recognizing the environmental benefits of EcoSmart technology. I share
this recognition with all of my colleagues at Power Integrations who have worked
on the development of this technology and helped make it a success in the
marketplace."

Continued Mr. Balakrishnan: "The growing demand for energy and the environmental
impacts of energy generation are among the greatest challenges facing the world
today. While alternative energy sources hold great promise for the future,
energy efficiency is the cheapest, cleanest, most accessible 'source' of energy
available today. EcoSmart technology is providing dramatic efficiency benefits
without adding to the cost of electronic products, and without the need for
changes in consumer behavior."

Electronic products typically employ power supplies to convert the high-voltage
AC power from a wall outlet into low-voltage DC power. These power supplies tend
to operate inefficiently at the reduced loads that occur during standby
operation, when the end product is "off" or otherwise idle. Power Integrations'
integrated circuits with EcoSmart technology intelligently manage the flow of
power through the power supply, enabling high efficiency at light loads and
thereby drastically reducing standby waste. This technology has saved an
estimated $3.7 billion worth of standby power - and millions of tons of
greenhouse - gas emissions-since its introduction in 1998.

Additional information on the TechAmerica Innovator Awards program can be found
at http://www.techamerica.org/innovatorawards.

About Power Integrations

Power Integrations is the leading supplier of high-voltage analog integrated
circuits used in energy-efficient power conversion. The company's innovative
technology enables compact, energy-efficient power supplies in a wide range of
electronic products, in AC-DC, DC-DC and LED lighting applications. Since its
introduction in 1998, Power Integrations' EcoSmart(R) energy-efficiency
technology has saved an estimated $3.7 billion of standby energy waste and
prevented millions of tons of CO2 emissions. The company's Green Room
(www.powerint.com/greenroom) provides a wealth of information about "energy
vampires" and the issue of standby energy waste, along with a comprehensive
guide to energy-efficiency standards around the world. Reflecting the
environmental benefits of EcoSmart technology, Power Integrations is included in
clean-technology stock indices sponsored by the Cleantech Group (Amex:CTIUS) and
Clean Edge (Nasdaq:CELS). For more information, please visit www.powerint.com.

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CONTACT: Power Integrations, Inc.
Investors and Business Press
Joe Shiffler
(408) 414-8528
jshiffler@powerint.com
Technical/Trade Press
Peter Rogerson
(408) 414-8573
progerson@powerint.com