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CXA2520-0000-000N00R240H Fiches technique(PDF) 1 Page - Cree, Inc

No de pièce CXA2520-0000-000N00R240H
Description  6-Inch Downlight Reference Design
Download  12 Pages
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Fabricant  CREE [Cree, Inc]
Site Internet  http://www.cree.com/
Logo CREE - Cree, Inc

CXA2520-0000-000N00R240H Fiches technique(HTML) 1 Page - Cree, Inc

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copyright © 2010 cree, Inc. all rights reserved. The information in this document is subject to change without notice.
cree, the cree logo and Xlamp are registered trademarks of cree, Inc.
Cree® XLamp® CXA2520 LED
6-Inch Downlight Reference Design
cree, Inc.
4600 Silicon Drive
Durham, Nc 27703
USa Tel: +1.919.313.5300
AppLICAtIon notE
copyright © 2013 cree, Inc. all rights reserved. The information in this document is subject to change without notice. cree®, the cree logo
and Xlamp® are registered trademarks of Cree, Inc. For product specifications, please see the data sheets available at www.cree.com. For
warranty information, please contact cree Sales at sales@cree.com. other trademarks, product and company names are the property of their
respective owners and do not imply specific product and/or vendor endorsement, sponsorship or association.
IntRoDuCtIon
This application note details the design of a 6-inch
downlight that exceeds the performance of typical
42‑watt compact fluorescent lamp (CFL) products.
The design uses cree’s Xlamp cXa2520 leD, a multi-
die, high‑flux array optimized for high lumen output
applications such as downlights, recessed fixtures
and can lights. The cXa2520 offers lighting-class
performance and reliability in a single, easy-to-use
component.
Six-inch downlights are the industry standard indoors
and outdoors in both residential and commercial
applications such as soffits and ceilings, where a wide
beam pattern is desirable. with a typical light output
range from 1500 to 3600 lumens, the flexibility, high
performance and ease of use offered by the Xlamp
cXa2520 leD makes it a strong candidate for use in a
6-inch downlight.
tAbLE of ContEnts
Introduction....................................................... 1
Design approach/objectives ................................. 2
The 6-step methodology...................................... 2
1. Define lighting requirements........................... 2
2. Define design goals ....................................... 5
3. Estimate efficiencies of the optical, thermal &
electrical systems ......................................... 5
4. calculate the number of leDs ......................... 8
5. consider all design possibilities ....................... 9
6. Complete the final steps: implementation and
analysis ....................................................... 9
conclusion....................................................... 11
Special thanks ................................................. 12
Bill of materials ................................................ 12
Reliance on any of the information provided in this Application Note is at the user’s sole risk. Cree and its affiliates make no warranties or representations
about, nor assume any liability with respect to, the information in this document or any leD-based lamp or luminaire made in accordance with this
reference design, including without limitation that the lamps or luminaires will not infringe the intellectual property rights of cree or a third party.
luminaire manufacturers who base product designs in whole or part on any cree application Note or reference Design are solely responsible for the
compliance of their products with all applicable laws and industry requirements.


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