>> New Generation DC-DC Converters for Wireless Networks

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Contact: Asif Jakwani
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A next generation 75W isolated dc-dc converter module in an industry standard eighth-brick package, the EQD has a wide-range input (18 - 60Vdc) and includes remote on/off, remote sense, output over current, over voltage and over temperature protections.

DALLAS -- (Oct. 17, 2005) -- Tyco Electronics Power Systems, Inc. today announced the release of its EQD075A and EQD020A0F series DC-DC converters, part of a new generation of open-frame DC/DC power modules designed for UMTS and CDMA base stations and wireless IP routers applications. These units support a 3:1 input voltage range that will allow for operation in both 24V or 48V nominal input voltage systems, eliminating the need for separate power modules to handle the two input voltage ranges, and therefore resulting in significant cost and logistics savings for OEM customers.

EQD075A and EQD02A0F series converters operate over a wide input voltage range of 18 to 60Vdc and provide a single precisely regulated output. The EQD series converters are designed to deliver up to 75W of output power in an industry standard eighth brick package measuring 57.9 mm x 22.8 mm x 8.5 mm (2.28 in. x 0.90 in x 0.335 in). The output is isolated from the input, allowing versatile polarity configurations and grounding connections. Built in filtering for both input and output minimizes the need for external filtering.

EQD series converters employ half-bridge conversion topology with highly optimized synchronous rectification and incorporate patented edge-plating with innovative packaging techniques to deliver superior thermal performance. EQD075A offers a programmable output voltage range of 3.0V to 5.5Vdc with industry standard trim equations and can deliver 15A at 5Vdc output with full load efficiency of 90% (48Vin).

EQD020A0F is optimized for 3.3V output and can deliver 20A at 3.3V with full load efficiency of 89% (48Vin) EQD series converters are rated for wide operating temperature range of -40°C - 85°C. Standard features include, remote on/off, remote sense, monotonic start-up under pre-bias conditions, over-temperature protection, input under/overvoltage protection, and output overcurrent/voltage protection. The converters are fully compliant to the RoHS EU Directive and are compatible in a Pb-free or SnPb reflow environment. The EQD series is best for distributed power architectures, wireless networks, 24V industrial and test and measurement applications.

"I am excited that Tyco Electronics is introducing the EQD series converters," said Sabi Varma, vice president, marketing and R&D, at Tyco Electronics Power Systems, Inc. "We are committed to developing products that will bring strong capabilities, high power and exceptional performance to our customers." Each EQD module is priced at $43.70 each at 1K unit volume. Samples are available now. For further information, visithttp://power.tycoelectronics.comor call +1 800 526 7819.

About Tyco Electronics Power Systems, Inc.Tyco Electronics Power Systems, Inc., a business unit of Tyco Electronics, is a leading global provider of innovative, reliable power supply products including AC/DC and DC/DC switching power supplies, batteries and complete communications and energy power systems. Tyco Electronics Power Systems, Inc. also offers custom design, engineering, installation and technical support services to its customers.

TYCO is a trademark.

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