Characteristic Curves
TheseꢀareꢀrepresentativeꢀmeasurementsꢀforꢀtheꢀTRꢀLEDꢀproduct.ꢀActualꢀcurvesꢀwillꢀvaryꢀslightlyꢀforꢀtheꢀvariousꢀradiantꢀ
fluxꢀandꢀdominantꢀwavelengthꢀbins.ꢀ
Forward Current vs. Forward Voltage
Wavelength Shift vs. Forward Current
50
40
30
20
10
0
1.50
1.00
0.50
0.00
-0.50
-1.00
-1.50
-2.00
0
1
2
3
4
5
0
10
20
30
40
50
Vf (V)
If (mA)
Relative Intensity vs. Forward Current
Relative Intensity vs Peak Wavelength
120
100
80
60
40
20
0
2.50
2.00
1.50
1.00
0.50
0.00
0
10
20
30
40
50
320
420
520
620
If (mA)
Wavelength (nm)
Cree,ꢀInc.
4600ꢀSiliconꢀDrive
Durham,ꢀNCꢀ27703
USAꢀTel:ꢀ+1.919.313.5300
www.cree.com
Copyrightꢀ©ꢀ2008ꢀCree,ꢀInc.ꢀAllꢀrightsꢀreserved.ꢀTheꢀinformationꢀinꢀthisꢀdocumentꢀisꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀCreeꢀandꢀtheꢀ
Creeꢀlogoꢀareꢀregisteredꢀtrademarks,ꢀandꢀTR,ꢀTR30ꢀandꢀTR300ꢀareꢀtrademarksꢀofꢀCree,ꢀInc.ꢀ
4
CPR3DV Rev. -
CREE [ CREE, INC ]
