Dominant Wavelength
3
2
1
0
-1
-2
25
50
75
100
125
150
Characteristic Curves
These are representative measurements for the EZBright 1000. Actual curves will vary slightly for the various radiant
flux and dominant wavelength bins.
Relative Intensity vs. Forward Current
300%
300%
250%
Junction Temperature (°C)
Relative Intensity vs. Forward Current
110%
105%
Relative Intensity vs. Junction Temperature
Relative Intensity
Relative Intensity
Relative Light Intensity
0
0
250
250
500
500
750
1000
1000
1250
1250
250%
200%
200%
150%
150%
100%
100%
95%
90%
85%
80%
75%
70%
65%
25
50
75
100
125
150
100%
50%
50%
0%
0%
If (mA)
750
If (mA)
Junction Temperature (°C)
Wavelength Shift vs. Forward Current
12
9
12
1000
6
900
Forward Current vs. Forward Voltage
Wavelength Shift vs. Junction Temperature
Dominant Wavelength Shift (nm)
If (mA)
Wavelength Shift vs. Forward Current
800
5
6
9
DW ShiftShift (nm)
DW (nm)
3
6
0
3
700
4
600
3
500
2
400
300
1
200
0
100
-1
0
-2 0
25
1
50
2
75
3
4
125
5
150
-3
0
-6
-3
-9
-6
-12
-9
-12
0
0
250
250
500
500
750
1000
1000
1250
1250
Vf (V)
100
If (mA)
750
If (mA)
Junction Temperature (°C)
Forward Current vs. Forward Voltage
1000
900
800
0.100
110%
0.000
105%
Voltage Shift vs. Junction Temperature
Relative Intensity vs. Junction Temperature
600
500
400
300
200
100
0
Relative Light
Shift (V)
Voltage
Intensity
0
1
2
3
4
5
700
-0.100
100%
95%
-0.200
90%
-0.300
85%
-0.400
80%
75%
-0.500
70%
-0.600
65% 25
25
If (mA)
Vf (V)
50
50
75
100
75
Temperature (°C)
100
Junction
125
125
150
150
Junction Temperature (°C)
Voltage Shift vs. Junction Temperature
0.100
0.000
Copyright © 2009 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. EZ1000 and EZ are trademarks of Cree, Inc.
-0.100
Shift (V)
4
CPR3EC Rev. A
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com
-0.200
CREE [ CREE, INC ]
