XLamp mX-6 LEDs
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 Copyright ? 2009-2013 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. of Cree, Inc.
66
tyPical sPatial distribution
thermal desiGn
The maximum forward current is determined by the thermal resistance between the LeD junction and ambient. It is
crucial for the end product to be designed in a manner that minimizes the thermal resistance from the solder point to
ambient in order to optimize lamp life and optical characteristics.
0
20
40
60
80
100
-100
-80
-60
-40
-20
0
20
40
60
80
100
Relative Luminous Intensity (%)
Angle (o)
0
200
400
600
800
1000
1200
0
25
50
75
100
125
150
Maximum Current (mA)
Ambient Temperature (oC)
Rj-a = 10°C/W
Rj-a = 20°C/W
Rj-a = 30°C/W
Rj-a = 40°C/W
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相关PDF资料
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