DW Shif
3
2
1
0
Characteristic Curves, T
A
= 25°C
25
50
75
100
125
150
Junction Temperature (°C)
This is a representative measurement for the EZ1400 LED product. Actual curves will vary slightly for the various radiant
flux and dominant wavelength bins.
Forward Current vs. Forward Voltage
1500
1250
If (mA)
1000
750
500
250
0
0
1
2
3
4
5
Relative Light Intensity (%)
Relative Light Intensity vs. Junction Temperature
1.00
0.95
0.90
0.85
0.80
0.75
0.70
0.65
0.60
25
50
75
100
125
150
Junction Temperature (°C)
Relative Intensity
Vf (V)
vs. Forward Current
150%
125%
150%
100%
125%
75%
100%
50%
75%
25%
50%
0%
25% 0
0%
Relative Intensity vs. Forward Current
Dominant Wavelength Shift vs. Junction Temperature
6
5
% Intensity
% Relative Relative Intensity
DW Shift (nm)
4
3
2
250
500
750
If (mA)
1000
1250
1500
1
0
0
250
500
750
If (mA)
1000
1250
1500
25
50
75
100
125
150
Junction Temperature (°C)
Wavelength Shift vs. Forward Current
3
2.5
DW Shift (nm)
DW Shift (nm)
2
3
1.5
2.5
1
2
0.5
1.5
0
1
-0.5
0.5
-1
0
-0.5
-1
0
250
500
0
250
500
750
If (mA)
750
If (mA)
1000
1250
1500
1000
1250
1500
0.000
Voltage Shift vs. Junction Temperature
Relative
-0.050
Voltage
(%)
Relative Light Intensity
Shift (V)
1.00
-0.100
0.95
-0.150
0.90
-0.200
0.85
-0.250
0.80
0.75
-0.300
0.70
-0.350
0.65 25
0.60
25
50
50
75
100
125
150
150
Wavelength Shift vs. Forward Current
Light Intensity vs. Junction Temperature
Junction Temperature (°C)
75
100
125
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 EZBright. EZ1400 and EZ are trademarks of Cree, Inc.
4
CPR3EK Rev. -
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com
CREE [ CREE, INC ]
