Characteristic Curves
These are representative measurements for the EZBright400. Actual curves will vary slightly for the various radiant flux
and dominant wavelength bins.
Forward Current vs Forward Voltage
Relative Light Intensity vs Junction Temperature
100%
200
175
150
125
100
75
95%
90%
85%
80%
75%
70%
50
25
0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
25
50
75
100
125
150
Vf (V)
Junction Temperature (°C)
Dominant Wavelength Shift vs Junction Temperature
Relative Intensity vs Forward Current
140
120
100
80
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
60
40
20
0
25
50
75
100
125
150
0
25
50
75
100
125
150
175
200
Junction Temperature (°C)
If (mA)
Voltage Shift vs Junction Temperature
Dominant Wavelength Shift vs Forward Current
3.0
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
0
25
50
75
100
125
150
175
200
25
50
75
100
125
150
If (mA)
Junction Temperature (°C)
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com
Copyright © 2007 Cree, Inc. All rights reserved. The information in this document is subject to change without notice. Cree and the
Cree logo are registered trademarks, and EZBright, EZ, and EZ400 are trademarks of Cree, Inc.
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CPR3DJ Rev. -
CREE [ CREE, INC ]
