Characteristic Curves
These are representative measurements for the EZBright Power Chip LED product. Actual curves will vary slightly for the
various radiant flux and dominant wavelength bins.
Relative Light Intensity vs Junction Temperature
Forward Current vs Forward Voltage
500
450
400
350
300
250
200
150
100
50
100
95
90
85
80
75
0
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
25
50
75
100
125
Vf (V)
Junction Temperature (C)
Relative Intensity vs Forward Current
Dominant Wavelength Shift vs Junction Temperature
140
120
100
80
5
4
3
2
1
0
60
40
20
0
0
50
100
150
200
250
300
350
400
450
500
25
50
75
100
125
If (mA)
Junction Temperature (C)
Voltage Shift vs Junction Temperature
Dominant Wavelength Shift vs Forward Current
3.0
0
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-0.1
-0.2
-0.3
-0.4
0
50
100
150
200
250
300
350
400
450
500
25
75
100
125
50 Junction Temperature (C)
If (mA)
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com
Copyright © 2006 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 EZ700 are trademarks of Cree, Inc.
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CPR3DF Rev. A
CREE [ CREE, INC ]
