New Generation Off-Line Switcher IC Delivers Lower System Cost and Higher Energy Efficiency For Low Power Applications

March 26, 2001
Power Integrations' TinySwitchÒ-IIDelivers 
Lowest Component Count Switcher Solution

San Jose, California, March 26, 2001 – Power Integrations, Inc. (Nasdaq: POWI), a leading supplier of high-voltage ICs for AC to DC power conversion, announced today the availability of a new generation of energy efficient, low power off-line switcher ICs. The new family of devices, named TinySwitch-II, maintains the simplicity of the previous TinySwitch line while providing additional features and lowering system cost. The output power capability has also been increased to 23 Watts (15 Watts with a universal input), making it an ideal energy efficient, cost-effective solution addressing most standby power requirements.

The product family of monolithic ICs, which cost effectively integrates a high voltage Power MOSFET, oscillator, and control circuitry onto a single CMOS chip, consists of eight part types ranging in power levels from 4 to 23 Watts. Built-in features include auto-restart for short circuit and open loop fault protection, frequency jittering for low EMI filtering cost, current limit and thermal protection, programmable line under-voltage detection preventing power on/off glitches, circuitry to eliminate audible transformer noise, and very tight tolerances with negligible temperature variation on key parameters, simplifying design and lowering system cost. Additionally, the internal switching frequency of 132 kHz reduces transformer size and allows the use of lower cost EF12.6 or EE13 cores.

The new product family incorporates the company's EcoSmart® technology, which reduces energy consumption, especially in standby and no-load conditions. "Utilizing TinySwitch-II devices enables manufacturers to easily and cost effectively meet new energy guidelines for standby power as outlined in Europe's EC requirements and Energy Star® in the US", stated Rich Fassler, Vice President of Marketing for Power Integrations. "It's estimated that AC adapters alone cost U.S. consumers around $500 million a year in wasted "no-load" energy which can be dramatically reduced by using our new ICs. For example, a TinySwitch-II design slashes the amount of "no-load" power consumption in a 5 Watt AC adapter to under 125 milliwatts (115 Volts input) compared to a typical linear adapter which can easily waste up to 2 Watts of energy with nothing connected to its output," added Fassler.

Applications for the new devices include low power adapters for portable equipment such as cell phones, PDAs, digital cameras, external computer peripherals, and power tools and standby power supplies found in PCs, white goods, and audio/video equipment.

Pricing for the TinySwitch-II family in 1,000 piece quantities ranges from $0.74 each for the TNY264P, a 5.5 Watt part housed in a plastic 8 pin DIP, to $1.09 each for the 23 Watt rated TNY268G, housed in a surface mountable 8 pin SMD package. Sample quantities are available from stock with production quantities available 3 weeks ARO.

The TinySwitch-II family is supported by a number of design tools including a 20-page data sheet and design spreadsheet. A Design Accelerator Kit, the DAK-14, is also offered which includes a universal input 3 Watt power supply, an unpopulated printed circuit board of the power supply, and TinySwitch-II samples. All design tools are available through the company's website, www.powerint.com.

Power Integrations, Inc. is a leading supplier of high-voltage analog integrated circuits for use in AC to DC power conversion. For more information, contact the company at 5245 Hellyer Avenue, San Jose, CA 95138: PH: (408) 414-9200 or via the internet at www.powerint.com.

Safe Harbor Statement

This press release contains forward-looking statements which reflect management's current forecast of certain aspects of the Company's future business. These forward-looking statements are based on current information which we have assessed, but which by its nature, is subject to rapid and even abrupt changes. Forward looking statements are denoted by the use of such words and phrases as "will," "expects," "believe," and similar words and phrases that look toward future events or performance. The Company's actual results could differ materially from those projected or implied by our forward looking statements due to risks and uncertainties associated with the Company's business. These include, but are not limited to, changes and shifts in customer demand away from products which integrate the Company's ICs to products which do not. Other factors include, but are not limited to, our ability to maintain and establish strategic relationships; the risks inherent in the development and delivery of complex technologies; our ability to attract, retain and motivate qualified personnel; the emergence of new markets for our products and services, and our ability to compete in those markets based on timeliness, cost and market demand; and our limited financial resources. We more fully discuss these and other risk factors in the Company's most recent reports on Form 10-K and Form 10-Q filed with the Securities and Exchange Commission.

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Contact Us

Joe Shiffler
Director, Investor Relations & Corporate Communications
(408) 414-8528
joe@power.com

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Mailing Address:
Power Integrations
Attn: Investor Relations
5245 Hellyer Avenue San Jose, CA. 95138

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Phone: (781) 575-2879




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