Power Integrations Reduces Time-to-Market with New PI Expert 6.5 and Online Rapid Transformer Sample Service

Power Integrations, Inc. (Nasdaq:POWI), the leader in high-voltage integrated circuits for power conversion, today launched a new version of its popular PI Expert power supply design software -- plus a new online Rapid Transformer Sample Service (RTSS) for transformer prototyping. PI Expert 6.5 includes support for PI's latest TinySwitch(r)-III, PeakSwitch(tm) and LinkSwitch(r)-LP products, and automates power supply circuit design, component selection and transformer construction, while RTSS promises to trim days from the construction of transformer designs generated by the software. This combined new offering from PI enables OEMs with little power supply experience to successfully prototype their own hardware, and overcomes a critical hurdle for power supply merchants rushing to redesign their products ahead of new energy-efficiency rules that come into effect in 2007.

"PI Expert is extremely popular among the power supply design community," said Doug Bailey, vice president of marketing, Power Integrations. "This latest version of the software adds support for all of the products we have launched in 2006, and includes new features such as Bode plots of the feedback network and upgraded transformer design algorithms. By linking PI Expert to the RTSS, we have addressed the needs of customers who do not have dedicated resources in-house to iterate and optimize transformer prototypes. This eliminates one of the most error-prone and time-consuming tasks of power supply design and will speed our customers' time to market substantially."

The new PI Expert 6.5 provides a built-in PI product selector guide and offers extended PI device support and component libraries. It also offers three new design optimization features: control loop simulation and feedback circuit calculations to enable circuit optimizations, and mechanical diagrams in PI Transformer Designer to enable transformer winding accuracy.

A transformer sits at the heart of every power supply design, affecting operation, safety and EMI performance. PI Expert produces winding specifications for the PI Transformer Designer utility using patented EMI-reducing shield-winding algorithms. The transformer output from PI Expert can be submitted to the RTSS for rapid prototyping and delivery. Sample services are available from two providers today, Power Integrations and ICE Components; other providers may be added in the future.

Pricing and Availability

The latest PI Expert 6.5 suite is available for free download at http://www.powerint.com/designsoftware.htm. Additional language versions will be made available in Russian and Chinese in December.

Quick start guides to help designers order RTSS prototypes in just four easy steps are available at http://www.powerint.com/rtss/pi_create_compatible_design.htm. Pricing and turnaround depend on transformer complexity, and start at $250 and 5 days, respectively.

About Power Integrations

Power Integrations, Inc. is the leading supplier of high-voltage analog integrated circuits used in power conversion. The company's breakthrough integrated-circuit technology enables compact, energy-efficient power supplies in a wide range of electronic products, in both AC-DC and DC-DC applications. The company's EcoSmart(r) energy-efficiency technology, which dramatically reduces energy waste, has saved consumers and businesses around the world more than an estimated $1.9 billion on their electricity bills since its introduction in 1998. For more information, visit the company's website at www.powerint.com.

CONTACT: Power Integrations, Inc.

PI Media Contact:

Nancy Renzullo

(408) 414-9641

nrenzullo@powerint.com

Investor Relations Contact:

Joe Shiffler

(408) 414-8528

jshiffler@powerint.com

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