Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀTR5050MꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀ
radiantꢀfluxꢀandꢀdominantꢀwavelengthꢀbins.ꢀ
Forward Current vs. Forward Voltage
Wavelength Shift vs. Forward Current
250
200
150
100
50
3
2
1
0
-1
-2
-3
0
0
1
2
3
4
5
0
50
100
150
200
Vf (V)
If (mA)
Voltage Shift vs Junction Temperature
Relative Intensity vs. Forward Current
200%
150%
100%
50%
0.000
-0.050
-0.100
-0.150
-0.200
-0.250
-0.300
-0.350
-0.400
0%
25
50
75
100
125
150
0
50
100
150
200
If (mA)
Junction Temperature (°C)
Relative Light Intensity Vs Junction Temperature
Dominant Wavelength Shift vs Junction Temp
100%
95%
90%
85%
80%
75%
70%
6
5
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.
4600ꢀSiliconꢀDrive
Durham,ꢀNCꢀ27703
USAꢀTel:ꢀ+1.919.313.5300
www.cree.com
Copyrightꢀ©ꢀ2011ꢀCree,ꢀInc.ꢀAllꢀrightsꢀreserved.ꢀTheꢀinformationꢀinꢀthisꢀdocumentꢀisꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀCreeꢀandꢀtheꢀ
Creeꢀlogoꢀareꢀregisteredꢀtrademarks,ꢀandꢀTMꢀandꢀTR5050MꢀareꢀtrademarksꢀofꢀCree,ꢀInc.ꢀ
4
CPR3EX Rev. -
CREE [ CREE, INC ]
