Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀTRꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀradiantꢀ
fluxꢀandꢀdominantꢀwavelengthꢀbins.ꢀ
Forward Current vs. Forward Voltage
Wavelength Shift vs. Forward Current
14
12
10
8
30
25
20
15
10
5
6
4
2
0
-2
-4
0
0
1
2
3
4
5
0
5
10
15
20
25
30
Vf (V)
If (mA)
Relative Intensity vs. Forward Current
Relative Intensity vs. Wavelength
100%
80%
60%
40%
20%
0%
150%
125%
100%
75%
50%
25%
0%
0
5
10
15
20
25
30
300
350
400
450
500
550
600
650
700
If (mA)
Wavelength
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4600ꢀSiliconꢀDrive
Durham,ꢀNCꢀ27703
USAꢀTel:ꢀ+1.919.313.5300
www.cree.com
Copyrightꢀ©ꢀ2010ꢀCree,ꢀInc.ꢀAllꢀrightsꢀreserved.ꢀTheꢀinformationꢀinꢀthisꢀdocumentꢀisꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀCreeꢀandꢀtheꢀ
Creeꢀlogoꢀareꢀregisteredꢀtrademarks,ꢀandꢀTRꢀandꢀTR2227ꢀareꢀtrademarksꢀofꢀCree,ꢀInc.ꢀ
4
CPR3EF Rev A
CREE [ CREE, INC ]
