Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀEZ600ꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀ
radiantꢀfluxꢀandꢀdominantꢀwavelengthꢀbins.
Relative Light Intensity Vs Junction Temperature
Forward Current vs. Forward Voltage
110%
105%
100%
95%
90%
85%
80%
75%
70%
65%
400
350
300
250
200
150
100
50
0
25
50
75
100
125
150
0
1
2
3
4
5
Vf (V)
Junction Temperature (°C)
Dominant Wavelength Shift Vs Junction Temperature
Relative Intensity vs. Forward Current
125%
100%
75%
50%
25%
0%
6
5
4
3
2
1
0
-1
-2
25
50
75
100
125
150
0
50
100
150
200
250
300
350
400
Junction Temperature (°C)
If (mA)
Voltage Shift Vs Junction Temperature
Wavelength Shift vs. Forward Current
20
16
12
8
0.100
0.000
-0.100
-0.200
-0.300
-0.400
-0.500
-0.600
4
0
-4
-8
0
50
100
150
200
250
300
350
400
25
50
75
100
125
150
If (mA)
Junction Temperature (°C)
Cree,ꢀInc.
4600ꢀSiliconꢀDrive
Durham,ꢀNCꢀ27703
USAꢀTel:ꢀ+1.919.313.5300
www.cree.com
Copyrightꢀ©ꢀ2010ꢀCree,ꢀInc.ꢀAllꢀrightsꢀreserved.ꢀTheꢀinformationꢀinꢀthisꢀdocumentꢀisꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀCreeꢀandꢀtheꢀ
Creeꢀlogoꢀareꢀregisteredꢀtrademarks,ꢀandꢀEZBright,ꢀEZ,ꢀandꢀEZ600ꢀareꢀtrademarksꢀofꢀCree,ꢀInc.ꢀ
4
CPR3EE Rev. A
CREE [ CREE, INC ]
