USB Power Supply Reference Design Board Available From Power Integrations

February 9, 1998

Sunnyvale, Calif. -- Feb. 9, 1998 -- Power Integrations, Inc. (Nasdaq: POWI), a leading provider of low cost power conversion integrated circuits, announces the availability of the RD6 reference design board for self-powered USB hubs. The Universal Serial Bus, or USB, is an industry standard interface which simplifies connecting peripherals such as monitors, printers and keyboards to a PC. The RD6 board provides a production ready solution for USB hub manufacturers, enabling faster time to market. The design is based on Power Integrations' TOPSwitch-II family of power conversion circuits which lower cost and component count through integration.

Specifications

The RD6 demonstrates a complete power solution for self-powered USB hubs delivering up to 15W of output power. Two output voltages are provided, 5V for powering up to four downstream ports and 3.3V for powering a USB controller. The board accepts universal input voltages (85 - 265 VAC) allowing a single design to meet the needs of markets throughout the world. Efficiency is greater than 75 percent.

Self-powered hubs that can utilize the RD6 design are found in monitors, printers, multi-function peripherals and stand-alone hubs for legacy systems. According to Dataquest, 95 percent of PCs in 1998 will have USB capability.

Power Integrations provides a number of reference design boards. These are intended to assist designers in building power solutions based on the company's popular TOPSwitch products. The boards are designed to be a cost-effective platform for new designs. To further speed the design process, customers can download a "Design Kit" which includes a schematic, bill-of-material (BOM), transformer design and Gerber files for the RD6 from the Power Integrations' website (www.powerint.com).

Availability

The RD6 is available now from an authorized Power Integrations sales representative. Suggested pricing for a single unit is $50.

Power Integrations, Inc. is the leading supplier of high-voltage analog integrated circuits for use in AC to DC and high-voltage DC to DC power conversion applications. For more information, visit the company's web site at: www.powerint.com or contact the company at 477 North Mathilda Ave., Sunnyvale, CA 94086. Phone: (408) 523-9200. Fax: (408) 523-9300.

The PI logo and TOPSwitch are registered trademarks of Power Integrations, Inc.

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Joe Shiffler
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