Current Derating Curves – Luxeon
I
F
- Forward Current (mA)
400
350
300
250
200
150
100
50
0
0
R
θ
J-A
=60
o
C/W
R
θ
J-A
=50
o
C/W
R
θ
J-A
=40
o
C/W
R
θ
J-A
=30
o
C/W
Figure 5.
Maximum Forward Current vs. Ambient
Temperature. Derating based on T
JMAX
=
135
o
C for LXHL-BRD1 and LXHL-MRD1.
25
50
75
100
125
150
T
A
- Ambient Temperature (
o
C)
Current Derating Curves – Luxeon V
I
F
- Forward Current (mA)
800
700
600
500
400
300
200
100
0
0
25
50
75
100
125
150
T
A
- Am bient Tem perature (
ο
C)
R
θ
J-A
=20
o
C/W
5
R
θ
J-A
=1
o
C/W
0
R
θ
J-A
=1
o
C/W
Figure 6.
Maximum Forward Current vs. Ambient
Temperature. Derating based on T
JMAX
=
135
o
C for LXHL-PRD5 and LXHL-LRD5.
Luxeon Dental
8
Document #: DS35 (02/04)
LUMILEDS [ LUMILEDS LIGHTING COMPANY ]
