Dominant Wav
1
0
-1
-2
25
50
75
100
125
150
Characteristic Curves
Junction Temperature (°C)
These are representative measurements for the EZBright500. 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%
300
250
200
Relative Light Intensity
0
1
2
3
4
5
95%
90%
85%
80%
If (mA)
150
100
50
0
75%
70%
65%
25
50
75
100
125
150
Vf (V)
Junction Temperature (°C)
Relative Intensity vs. Forward Current
175%
175%
150%
Voltage Shift vs Junction Temperature
0.100
0.000
Relative Intensity vs. Forward Current
Mean(Vf Shift)
Voltage Shift (V)
Relative Intensity
Relative Intensity
150%
125%
125%
100%
100%
-0.100
-0.200
-0.300
75%
50%
25%
0%
0
0
75%
50%
25%
-0.400
-0.500
0%
50
50
100
100
150
150
If (mA)
If (mA)
200
200
250
250
300
300
350
350
-0.600
25
50
75
100
125
150
Junction Temperature (°C)
EZ400
Mean(Vf Shift)
12
12
Dominant Wavelength Shift (nm)
16
16
Wavelength Shift vs. Forward Current
Wavelength Shift vs. Forward Current
6
5
4
3
Dominant Wavelength Shift vs Junction Temperature
DW Shift
(nm)
DW Shift
(nm)
8
8
4
4
0
0
-4
-4
-8
-8
2
1
0
-1
-2
25
50
75
100
125
150
0
0
50
50
100
100
150
150
200
200
250
250
300
300
350
350
If (mA)
If (mA)
Junction Temperature (°C)
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, EZ, and EZ500 are trademarks of Cree, Inc.
100%
Relative Light Intensity vs Junction Temperature
4600 Silicon Drive
Cree, Inc.
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com
sity
4
CPR3EB Rev. -
95%
CREE [ CREE, INC ]
