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Product Name: Charger's reference design clamps down on surge protection
Product Description
San Jose, Calif.—Focusing on protection against lightning strikes and other over-voltage transients, Power Integrations' RDK-83 reference design kit for energy-efficient charger/adapters, based on its LinkSwitch-LP family of integrated circuits with EcoSmart technology, features a constant-voltage (CV) charger capable of withstanding 10 kV common-mode/2 kV differential-mode surges.
"Designing for adequate surge protection helps to minimize damage to products due to lightning strikes and other over-voltage events and thereby reduces the cost of replacement and repairs," said Richard Fassler, director of product marketing. "With the RDK-83 as a guide, designers can develop switched mode power supplies that will withstand 10 kV surges and operate far more efficiently than supplies based on linear transformer technology."
This representative power supply design, for products that connect to telephone lines such as cordless/wireline phones, answering machines, modems and other telecom devices, includes a 7.7-volt, 210-mA flyback adapter circuit that operates over the universal input voltage range of 85 VAC to 265 VAC. As with all recent reference designs from the company, the RDK-83 has a high average active-mode efficiency (66.6 percent), thus meeting the Energy Star and California Energy Commission specification (53.2 percent). No-load power consumption is less than 220 mW at 115 VAC, a 79 percent improvement compared to existing linear solutions, according to the company.
Contact the company directly for additional information. The kit comes complete with LinkSwitch-LP samples, a printed circuit board, an engineering report on the power supply, and the company's PI Expert power supply design software CD-ROM. The RDK-83 is priced at $100 and is available today—click www.powerintsample.com.
Company Details
The Power Management DesignLine site is managed by Editor Paul O'Shea.
Starting out his career in the "Live Music Capital" city of Austin, Texas more than 20 years ago, Paul began with testing the Texas Instruments Business Systems, and moved on... more
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