Characteristic Curves
These are representative measurements for the EZBright LED product. Actual curves will vary slightly for the various
radiant flux and dominant wavelength bins.
Forward Current vs
vs Forward Voltage
Forward Current
Forward Voltage
Forward Current vs Forward Voltage
50
50
50
45
45
45
40
40
40
35
35
35
Shift (nm)
Shift (nm)
Shift (nm)
If (mA)
If (mA)
If (mA)
Wavelength Shift vs
vs Forward Current
Wavelength Shift
Forward Current
Wavelength Shift
vs Forward Current
10
10
10
8
6
4
2
0
8
8
6
4
2
0
0
30
30
30
25
25
25
20
20
20
15
15
15
10
10
10
5
0
-2
-2
-2
-4
-4
-4
-6
-6
-6
1.0
1.0
1.0
1.5
2.0
2.0
1.5
1.5
2.0
Vf (V)
Vf (V)
Vf (V)
2.5
2.5
2.5
3.0
3.0
3.0
3.5
3.5
3.5
4.0
4.0
4.0
-8
-8
-8
0.0
0.0
0.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
5.0
5.0
10.0
10.0
15.0
15.0
20.0
20.0
25.0
25.0
30.0
30.0
35.0
35.0
40.0
40.0
45.0
45.0
50.0
50.0
5.0
If
20mA
@ 20mA
If @
If @ 20mA
5
5
0
0
0.0
0.5
0.5
0.0
0.0
0.5
240%
240%
240%
200%
200%
200%
160%
160%
160%
120%
120%
120%
80%
80%
80%
40%
40%
40%
0%
Relative Intensity vs Forward Current
Relative Intensity vs
vs Forward Current
Relative Intensity
Forward Current
100
Relative Intensity vs Peak Wavelength
Relative Intensity vs Peak Wavelength
80
Relative Intensity (%)
0.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
If
10.0
15.0
20.0
25.0
@ 20mA
30.0
35.0
40.0
45.0
50.0
5.0
10.0
15.0
20.0
25.0
30.0
35.0
40.0
45.0
50.0
If @ 20mA
If @ 20mA
5.0
% Relative Intensity
% Relative Intensity
% Relative Intensity
60
40
20
0%
0%
0.0
0.0
5.0
400
500
600
Wavelength (nm)
Copyright © 2006-2007 Cree, Inc. All rights reserved. The information in this document is subject to change without notice.
Cree and the Cree logo are registered trademarks, and EZBright and EZ, EZ-7, EZ-10, EZ-18, EZ-21, EZ-24 and EZBright290 are
trademarks of Cree, Inc.
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
www.cree.com
5
CPR3CQ
CREE [ CREE, INC ]
