Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀEZBrightꢀPowerꢀChipꢀLEDꢀproducts.ꢀꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀ
theꢀvariousꢀradiantꢀfluxꢀandꢀdominantꢀwavelengthꢀbins.
Relative Intensity vs. Forward Current
Relative Light IntensityVs Junction Temperature
250%
200%
150%
100%
50%
100%
95%
90%
85%
80%
75%
70%
65%
0%
25
50
75
100
125
150
0
100
200
300
400
Junction Temperature (°C)
If (mA)
DominantWavelengthShiftVs Junction Temperature
Wavelength Shiftvs. Forward Current
10
5
6
5
4
3
0
2
1
-5
0
-1
-2
-10
0
100
200
300
400
25
50
75
100
125
150
Junction Temperature (°C)
If (mA)
Voltage ShiftVs Junction Temperature
Forward Currentvs. Forward Voltage
0.000
-0.100
-0.200
-0.300
-0.400
-0.500
-0.600
400
350
300
250
200
150
100
50
0
25
50
75
100
125
150
2
2.5
3
3.5
4
Junction Temperature (°C)
Vf (V)
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 © 2013 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-n are trademarks of Cree, Inc.
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CPR3EB Rev. A
CREE [ CREE, INC ]
