Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀTR5050ꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀ
radiantꢀfluxꢀandꢀdominantꢀwavelengthꢀbins.ꢀ
Forward Current vs. Forward Voltage
Wavelength Shift vs. Forward Current
3
180
160
2
140
120
1
100
0
80
60
-1
40
20
-2
0
0
0.5
1
1.5
2
2.5
3
3.5
4
-3
0
20
40
60
80
100
120
140
160
180
Vf (V)
If (mA)
Voltage Shift Vs Junction Temperature
Relative Intensity vs. Forward Current
0.000
175%
150%
125%
100%
75%
-0.050
-0.100
-0.150
-0.200
-0.250
-0.300
-0.350
-0.400
50%
25%
0%
25
50
75
100
125
150
0
20
40
60
80
100
120
140
160
180
Junction Temperature (°C)
If (mA)
Relative Light Intensity Vs Junction Temperature
Dominant Wavelength Shift Vs Junction Temperature
6
5
100%
95%
90%
85%
80%
75%
70%
4
3
2
1
0
-1
-2
25
50
75
100
125
150
25
50
75
100
125
150
Junction Temperature (°C)
Junction Temperature (°C)
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703-8475 USA
Tel: +1-919-313-5300
Copyright © 2011-2012 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 TR and TR5050 are trademarks of Cree, Inc.
Fax: +1-919-313-5870
www.cree.com/chips
4
CPR3ER Rev. A