Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀDAꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀradiantꢀ
fluxꢀandꢀdominantꢀwavelengthꢀbins.ꢀ
Wavelength Shift vs. Forward Current
Forward Current vs. Forward Voltage
2
1
700
600
500
400
300
200
100
0
0
-1
-2
0
1
2
3
4
5
0
25
25
100
200
300
400
500
600
700
Vf (V)
If (mA)
Relative Intensity vs. Forward Current
Dominant Wavelength Shift Vs Junction Temperature
200%
175%
150%
125%
100%
75%
6
5
4
3
2
1
0
50%
25%
0%
50
75
100
125
150
0
100
200
300
400
500
600
700
Junction Temperature (°C)
If (mA)
Voltage Shift Vs Junction Temperature
Relative Light Intensity Vs Junction Temperature
0.000
-0.050
-0.100
-0.150
-0.200
-0.250
-0.300
-0.350
-0.400
100%
95%
90%
85%
80%
75%
70%
25
50
75
100
125
150
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,ꢀandꢀDAꢀandꢀDA700ꢀareꢀtrademarksꢀofꢀCree,ꢀInc.ꢀ
4
CPR3EU Rev. -
CREE [ CREE, INC ]
