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CXA2540-0000-000N00V435H Datasheet(PDF) 6 Page - Cree, Inc

No. de pieza CXA2540-0000-000N00V435H
Descripción Electrónicos  Retail Track Light Reference Design
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Fabricante Electrónico  CREE [Cree, Inc]
Página de inicio  http://www.cree.com/
Logo CREE - Cree, Inc

CXA2540-0000-000N00V435H Datasheet(HTML) 6 Page - Cree, Inc

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XLAMP CXA2530/CXA2540 RETAIL TRACK LIGHT REFERENCE DESIGN
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
and EasyWhite™ is a trademark 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.
3. ESTImATE EffIcIENcIES Of ThE OpTIcAL, ThERmAL & ELEcTRIcAL SYSTEmS
we used Cree’s Product Characterization Tool (PCT) tool to determine the drive current for the design.5 Figure 1 shows
basic electrical data and optical output from the PCT. We estimated 90% optical efficiency, 85% driver efficiency and a
solder point temperature (T
SP) of 70 °C.
figure 1: pcT output with cXA2530 flux data
The PCT output shows that, at 1 A, a single XLamp CXA2530 LED produces the desired lumen output and efficacy.
Thermal Requirements
Proper thermal management is a key component of any successful LeD-based lamp or luminaire design. operating at
42 w of power in this retail track light design, the XLamp CXA2530 LeD requires a heat sink to dissipate this thermal
load. The heat sink in this design must not only dissipate the heat generated by the LeD, but also provide the mechanical
frame for the LED, optic, driver and base. We used a market-ready heat sink/housing assembly, shown in Figure 2.6 The
heat sink is made of anodized aluminum alloy, AA 6063, and is part of a kit that includes a cover glass, screw-on base
and front optic cover ring.
figure 2: CXA2530 retail track light heat sink/housing assembly
5
PCT is available at: pct.cree.com
6
model GD120-01, Losiwang, www.loswan.cn
1
LED System Comparison Report
System:
3,000
90%
87%
Model
Model
Model
Flux
T2 [3200]
Tsp (ºC)
70
Flux
Tj (ºC)
25
Flux
Tj (ºC)
25
Price
-
$
Price
-
$
Price
-
$
SYS # LED SYS lm tot
SYS W
SYS lm/W
0.900
1
3073.91
37.617
81.7
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
0.950
1
3184.98
39.959
79.7
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
1.000
1
3290.86
42.326
77.8
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
1.100
1
3483.93
47.126
73.9
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
1.200
1
3653.5
52.025
70.2
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
0.000
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
#N/A
This document is provided for informational purposes only and is not a warranty or a specification. For product specifications, please see the data sheets available at www.cree.com.
Copyright © 2009-2012 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.
Target Lumens :
Optical Efficiency:
Electrical Efficiency:
LED 1
LED 2
LED 3
Cree XLamp CXA2530 {EZW}
(none)
(none)


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