Dominant Wavel
2
1
0
-1
-2
25
50
75
100
125
150
Characteristic Curves
Junction Temperature (°C)
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
200
100%
Relative Light Intensity vs Junction Temperature
175
150
Relative Light Intensity
95%
90%
85%
80%
If (mA)
125
100
75
50
25
0
75%
70%
65%
0
1
2
3
4
5
25
50
75
100
125
150
Vf (V)
Junction Temperature (°C)
Relative Intensity vs. Forward Current
150%
150%
125%
Relative Intensity vs. Forward Current
0.100
Voltage Shift vs Junction Temperature
Relative Intensity
Relative Intensity
125%
100%
100%
75%
75%
50%
50%
25%
Mean(Vf Shift)
Voltage Shift (V)
0
0
25
25
50
50
75
75
100
125
150
150
175
175
200
200
225
225
100
(mA)
125
If
0.000
-0.100
-0.200
-0.300
-0.400
-0.500
-0.600
25
50
75
100
125
150
25%
0%
0%
If (mA)
Mean(Vf Shift)
EZ400
Junction Temperature (°C)
Wavelength Shift vs. Forward Current
16
12
Dominant Wavelength Shift vs Junction Temperature
Dominant Wavelength Shift (nm)
200
200
225
225
6
5
4
3
16
Wavelength Shift vs. Forward Current
DW Shift (nm)
DW Shift (nm)
12
8
8
4
2
1
0
4
0
0
-4
-4
-8
-8
-1
-2
25
50
75
100
125
150
0
0
25
25
50
50
75
75
100
125
150
150
175
175
100
(mA)
125
If
Junction Temperature (°C)
If (mA)
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Junction Temperature
www.cree.com
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 EZ400 are trademarks of Cree, Inc.
Relative Light Intensity vs
4
CPR3ED Rev. -
100%
CREE [ CREE, INC ]
