Relative Light In
150%
100%
50%
Characteristic Curves
0%
0
200
400
600
800
1000
These are representative measurements for the DA LED product. Actual curves will vary slightly for the various radiant
flux and dominant wavelength bins.
Forward Current vs. Forward Voltage
1000
2
900
800
700
If (mA)
Wavelength Shift vs. Forward Current
Dominant Wavelength Shift (nm)
1
If (mA)
600
500
400
300
200
100
0
0
1
2
3
4
5
0
-1
-2
0
200
400
600
800
1000
Vf (V)
If (mA)
Dominant Wavelength Shift (nm)
Dominant Wavelength Shift (nm)
Relative Light
(mA)
Relative Light Intensity
If
Intensity
1000
250%
900
100%
800
200%
95%
700
600
90%
150%
500
85%
400
100%
80%
300
200
75%
50%
100
70%
0
0% 0
65%
0
25
Forward Current vs. Forward Voltage
Relative Intensity vs. Forward Current
Relative Light Intensity Vs Junction Temperature
Dominant Wavelength Shift Vs Junction Temperature
Dominant Wavelength Shift Vs Junction Temperature
6
6
5
5
4
4
3
3
2
2
1
1
1
2
3
4
5
0
0
200
50
Vf (V)
If (mA)
Junction Temperature (°C)
400
75
600
100
800
125
1000
150
25
25
50
50
75
75
100
100
125
125
150
150
Junction Temperature (°C)
Junction Temperature (°C)
Relative Light Intensity Vs Junction Temperature
100%
2
95%
Voltage Shift Vs Junction Temperature
Voltage Shift Vs Junction Temperature
0.000
0.000
-0.050
-0.050
Wavelength Shift vs. Forward Current
Dominant
Relative Light Intensity
Wavelength Shift (nm)
1
85%
80%
0
75%
Voltage Shift (V)
Voltage Shift (V)
25
50
200
75
100
125
800
150
1000
90%
-0.100
-0.100
-0.150
-0.150
-0.200
-0.200
-0.250
-0.250
-0.300
-0.300
70%
-1
65%
-2
0
-0.350
-0.350
25
25
50
50
75
75
100
100
125
125
150
150
Junction Temperature (°C)
400
600
If (mA)
Junction Temperature (°C)
Junction Temperature (°C)
Copyright © 2010 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 DA and DA1000 are trademarks of Cree, Inc.
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com
4
CPR3ES Rev A
CREE [ CREE, INC ]
