DS45 LUMILEDS [Lumileds Lighting Company], DS45 Datasheet - Page 13

• Manufacturer Part Number: DS45
• Manufacturer: LUMILEDS [Lumileds Lighting Company]

Current Derating Curves
LUXEON III Emitter DS45 (3/06)
Derating based on T
JMAX
= 135°C for White, Green, Cyan, Blue, and Royal Blue. Since LUXEON III may be driven at up to 1000mA,
1600
1400
1200
1000
800
600
400
200
1100
1000
900
800
700
600
500
400
300
200
100
derating based on T
0
derating curves may not be applicable for all operating conditions.
Figure 8. Maximum Forward Current vs. Ambient Temperature.
Figure 9. Maximum Forward Current vs. Ambient Temperature
0
0
0
R θ
R θ
R θ
R θ
Rθ
Rθ
Rθ
Rθ
J-A
J-A
J-A
J-A
J-A
J-A
J-A
J-A
T
=25
=20
=1 5
=1 0
T
25
A
=30
=25
=20
=1 5
A
25
- Am bient Tem perature (
o
o
- Ambient Temperature (
o
o
C/W
C/W
o
o
o
o
C/W
C/W
C/W
C/W
C/W
C/W
JMAX
50
50
= 135°C for Red, Red Orange, and Amber.
75
75
13
100
100
125
o
125
ο ο
C)
C)
150
150