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DC Input Front Ends Utilize the same packaging and backplane connectors as AC Input Solutions

12th June 2007

Power-One

ES Admin

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Power-One has introduced its DC input SFD550-12BG DPA/IBA front end. This 12Vout product utilizes the same packaging and backplane connectors as Power-One’s SFP450 and SFP650 front ends, providing customers with DC-input solutions that do not require any redesign of their existing AC-input racks or backplane connectors.

The 45A SFD550-12BG employs a networking configuration that provides a readily accessible, front-mounted input-power connector. Other features include: I2C interface status and control, -40 to -75V input range, 3.3V @ 3.1A standby output, NEBS Level 3 compliance (GR-63, 78, 1089), internal ORing diodes, and a two-speed fan that reduces acoustic noise.

I2C-interface capabilities include enabling the output, controlling internal fan speed, and setting the output current limit. Power supply management is also accomplished via front-mounted LED status indicators and a comprehensive range of logic signals. Protections include: output overvoltage, output overcurrent, and overtemperature.

Ultra-compact 12.4 x 3.1 x 1.6 inch (314.5 x 78 x 40mm) overall dimensions facilitate low profile 1U and 2U rack configurations. The SFD550-12BG is RoHS compliant and displays the CE mark for the European Low Voltage Directive. Pricing is $265 each in quantities of 1000. Evaluation models are usually available from stock. Production quantities are typically available in six to eight weeks.