Product category:
DC/DC Convertors
News Release from: Emerson Network Power - Embedded Power | Subject: DS Series
Edited by the Electronicstalk Editorial
Team on 31 March 2005
Front-end supplies power to 650W
Emerson Network Power has expanded the popular Astec DS Series of high-density AC/DC distributed bulk power front-end power supplies.
To address the demanding requirements of high-density applications, Emerson Network Power has expanded the popular Astec DS Series of high-density AC/DC distributed bulk power front-end power supplies With a +12V DC main output and a +3.3V DC standby output, the new DS650-3 model increases the available power to 650W
This article was originally published on Electronicstalk on 4 Feb 2000 at 8.00am (UK)
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An 850W model with the same package and pin-outs is slated for release later in 2005.
The clever 1U by 2U form factor (40 x 81 x 279mm) enables flexible configuration to maximise the use of rack space.
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The high-density (12W/in3) design and high-availability features make the new DS model especially suitable for high-density server applications as well as datacomms, data storage, medical and industrial applications.
Featuring full current-sharing capabilities and internal MOSFET ORing for isolation, the DS Series is specifically designed to support hot-swap and redundant applications requiring maximum reliability.
Accepting AC input from 90V AC to 264V AC, the new DS model features active power factor correction (typically 0.98) that meets EN61000-3-2 standards for input current harmonic content.
The devices provide up to 52.5A at 12V DC and also offer a standby supervisory output of 3.3V at 6A.
Each supply has overvoltage and overcurrent protection as well as active AC inrush current limiting circuitry.
The internally fan-cooled units have no minimum load requirements and include over-temperature protection, remote inhibit and remote sensing on the main output.
An I2C communications interface bus provides voltage and current monitoring, remote on/off, and internal fan speed control.
A bicolour LED provides visual status of: AC OK, DC power good and fan fail.
The new DS Series units comply with worldwide safety and performance standards and bear UL60950, NEMKO, CB Report, China CCC and CE Marks.
Designed to NEBS Bell Core standards for electromagnetic susceptibility, the DS units also comply with the latest hazardous substance and lead-free requirements.
In addition, the new models operate without derating over a wide temperature range from -10 to +50C and conform to industry Mil standards for shock and vibration.
DS units also come standard with a mechanical latch, handle and EMI clips.
Optimised 1U and 2U racks are being designed for the DS Series and will be available in the near future.
Users can install up to five 650W (3250W) or 850W (4250W) units in a 1U rack and up to 10 units in a 2U rack (6500-8500W).
As part of a comprehensive solution, to round out a designer's overall power system, Astec Power also offers a complete line of point of load DC/DC convertors to complement the DS Series.
OEM prices for the new DS650-3 models start at $231.
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