Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀTR5050ꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀ
radiantꢀfluxꢀandꢀdominantꢀwavelengthꢀbins.ꢀ
Forward Current vs. Forward Voltage
Wavelength Shift vs. Forward Current
180
160
140
120
100
80
3
2
1
0
60
-1
-2
-3
40
20
0
0
0.5
1
1.5
2
2.5
3
3.5
4
0
50
100
150
200
Vf (V)
If (mA)
Voltage Shift Vs Junction Temperature
Relative Intensity vs. Forward Current
0.000
-0.050
-0.100
-0.150
-0.200
-0.250
-0.300
-0.350
-0.400
175%
150%
125%
100%
75%
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
100%
95%
90%
85%
80%
75%
70%
25
50
75
100
125
150
Junction Temperature (°C)
Cree,ꢀInc.
4600ꢀSiliconꢀDrive
Durham,ꢀNCꢀ27703
USAꢀTel:ꢀ+1.919.313.5300
www.cree.com
Copyrightꢀ©ꢀ2011ꢀCree,ꢀInc.ꢀAllꢀrightsꢀreserved.ꢀTheꢀinformationꢀinꢀthisꢀdocumentꢀisꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀCreeꢀandꢀtheꢀ
Creeꢀlogoꢀareꢀregisteredꢀtrademarks,ꢀandꢀTRꢀandꢀTR5050ꢀareꢀtrademarksꢀofꢀCree,ꢀInc.ꢀꢀ
4
CPR3ER Rev. -
CREE [ CREE, INC ]
