Copyright 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 of Cree, Inc.
3
CLD-CT48.000
Cree, Inc.
4600 Silicon Drive
Durham, NC 27703
USA Tel: +1.919.313.5300
Fax: +1.919.313.5778
www.cree.com/ledlamps
Graphs
4/4 Format #: COTCO-D-074 REV.4
Document No.
Rev. No.
SPE/LM1-PPG1-11-N1
02
G
G
r
r
a
a
p
p
h
h
s
s
Ir(uA)
FIG.2 REVERSE CURRENT VS.
REVERSE VOLTAGE.
-50.0
-30.0
-40.0
-10.0
-50
-40
Vr(V)
0
-10
-30
-20
-20.0
0.0
FIG.6 FAR FIELD PATTERN
-30
-60
-90
90
60
30
0
0%
20%
40%
60%
50% Power Angle :
0
80%
100%
Ie(%)
FIG.5 MAXIMUM FORWARD DC CURRENT VS
TEMPERATURE. DERATING BASED ON Tjmax=110 C
80.0
FIG.3 RELATIVE LUMINOUS INTENSITY VS.
FORWARD CURRENT
0
0
10
30
20
20
40
60
80
Rth j-a=350 C/W
IF(mA)
0.0
50
40
0.0
0.5
Rth j-s=200 C/W
40.0
20.0
60.0
2.5
1.5
1.0
2.0
T ( C)
100
100.0
If(mA)
Half Power WL=38nm
Domi WL= 527nm
100%
300
50%
WAVELENGTH.
FIG.4 RELATIVE LUMINOUS INTENSITY VS.
75%
25%
0%
400
500
600
WL(nm)
700
100.0
FORWARD VOLTAGE.
FIG.1 FORWARD CURRENT VS.
20.0
0.0
3.0
60.0
40.0
80.0
4.2
3.8
3.4
4.6
5.0
Vf(V)
If (mA)
Items
Signatures
Date
Revision History
Prepared by
Rev.No
Date
Change Description
Meiliping
2005-08-17
Checked by
02
2005-08-17
XieJH
2005-08-17
Release.
Approved by
DavidLiu
2005-08-17
FCN#
FCN20050260
Data is subject to change without prior notice; please refer to COTCO Website for the latest version.
Copyright@2002
Cotco International Ltd.