Characteristic Curves, TA = 25°C
ThisꢀisꢀaꢀrepresentativeꢀmeasurementꢀforꢀtheꢀEZ900ꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀradiantꢀ
fluxꢀandꢀdominantꢀwavelengthꢀbins.
Relative Light Intensity Vs Junction Temperature
Forward Current vs. Forward Voltage
1
1250
0.95
1000
0.9
0.85
750
0.8
500
0.75
0.7
250
0.65
0
0.6
0
1
2
3
4
5
25
50
75
100
125
150
Vf (V)
Junction Temperature (°C)
Relative Intensity vs. Forward Current
Dominant Wavelength Shift Vs Junction Temperature
3
2.5
2
6
5
4
3
2
1
0
1.5
1
0.5
0
0
250
500
750
1000
1250
25
50
75
100
125
150
If (mA)
Junction Temperature (°C)
Voltage Shift Vs Junction Temperature
Dominant Wavelength vs. Forward Current
0.000
-0.050
-0.100
-0.150
-0.200
-0.250
-0.300
-0.350
2
1.5
1
0.5
0
-0.5
-1
-1.5
-2
0
250
500
750
1000
1250
25
50
75
100
125
150
If (mA)
Junction Temperature (°C)
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703-8475
USA Tel: +1.919.313.5300
Fax: +1.919.313.5870
www.cree.com/chips
Copyright © 2008-2011 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. EZ900-n and EZ are trademarks of Cree, Inc.
5
CPR3DX Rev. B
CREE [ CREE, INC ]
