DS34 LUMILEDS [Lumileds Lighting Company], DS34 Datasheet - Page 7

• Manufacturer Part Number: DS34
• Description: power light source Luxeon V Emitter
• Manufacturer: LUMILEDS [Lumileds Lighting Company]

Current Derating Curve
Representative Typical Spatial Radiation Pattern
Luxeon V Emitter
Lambertian Radiation Pattern
Side Emitting Radiation Pattern
100
90
80
70
60
50
40
30
20
10
100
0
90
80
70
60
50
40
30
20
10
-100 -80 -60 -40 -20
0
800
700
600
500
400
300
200
100
-120 -100 -80
0
0
R θ
R θ
R θ
J-A
J-A
J-A
T
A
Angular Displacement (Degrees)
=20
=1 5
=1 0
25
Angular Displacement (Degrees)
-60
- Am bient Tem perature (
o
o
o
C/W
C/W
C/W
-40
Typical Upper Bound
50
Typical Lower Bound
-20
7
0
75
0
20
20
100
40
40
60
Document #: DS34 (09/19/04)
125
80
60
ο
C)
100 120
80
150
100
Figure 5.
Maximum Forward Current vs.
Ambient Temperature. Derating based
on T
Figure 7.
Representative Typical Spatial Radiation
Pattern for Luxeon V Emitter.
Note:
Additional heatsinking is required, even for
extremely brief periods. Please consult
AB05, Luxeon Thermal Design Guide, for
additional information.
Figure 6.
Representative Typical Spatial Radiation
Pattern for Luxeon V Emitter.
JMAX
= 135
o
C.