9
Figure 20. Relative Light Output vs. Junction Temperature Figure 21. Forward Voltage Shift vs. Junction Temperature
Figure 22. Maximum Forward Current vs. Ambient Temperature. Derated
based on T
JMAX
= 150 °C, Rq
J-A
= 30 °C/W, 40 °C/W and 50 °C/W
Figure 23. Maximum Forward Current vs. Metal Slug Temperature. Derated
based on T
JMAX
= 150 °C, Rq
J-MS
= 9 °C/W.
InGaN
Figure 18. Maximum pulse current vs. ambient temperature.
Derated based on T
A
= 25 °C, Rθ
J-A
= 50 °C/W.
Figure 19. Maximum pulse current vs. ambient temperature.
Derated based on T
A
= 85 °C, Rθ
J-A
= 50 °C/W.
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.00001 0.0001 0.001 0.01 0.1 1 10 100
PULSE CURRENT, I
P
-A
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
0.00001 0.0001 0.001 0.01 0.1 1 10 100
PULSE DURATION, tp - sec
PULSE CURRENT, I
P
-A
.05
.10
.25
.50
PULSE DURATION, tp - sec
D =
t
p
T
t
p
I
F
T
D =
0.05
0.10
0.25
0.50
1.00
D =
t
p
T
t
p
I
F
T
AMBIENT TEMPERATURE, T
A
- °C
METAL SLUG TEMPERATURE, T
MS
- °C
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160
MAX ALLOWABLE DC CURRENT - mA
0
100
200
300
400
500
600
0 20 40 60 80 100 120 140 160
MAX ALLOWABLE DC CURRENT - mA
Rθ
J-A
= 30°C/W
Rθ
J-A
= 40°C/W
Rθ
J-A
= 50°C/W
Rθ
J-MS
= 9°C/W
-0.45
-0.40
-0.35
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0.00
0.05
0.10
25 50 75 100 125 150
0.0
10.0
20.0
30.0
40.0
50.0
60.0
70.0
80.0
90.0
100.0
110.0
120.0
25 50 75 100 125 150
CYAN
BLUE
WHITE
GREEN
ROYAL BLUE
BLUE
CYAN
ROYAL BLUE
GREEN
WHITE
FORWARD VOLTAGE SHIFT - V
(NORMALIZED AT 25°C)
JUNCTION TEMPERATURE,T
J
- °C
RELATIVE LIGHT OUTPUT - %
(NORMALIZED AT 25°C)
JUNCTION TEMPERATURE,T
J
- °C
