Forward Current Characteristics, T
J
= 25
o
C
I
F
- Average Forward Current (mA)
1050
700
350
I
F
- Average Forward Current (mA)
18-Up 12-Up
1200 400
800
18-Up 12-Up
1200 400
800
1050 350
700
900 300
600
750 250
500
600 200
400
450 150
300
300 100
200
150 100
50
0
Note:
Driving these high power devices at
currents less than the test conditions
may produce unpredictable results
and may be subject to variation in
performance. Pulse width modulation
is recommended for dimming effects.
900 300
600
750 250
500
600
200
400
450 150
300
300 100
200
150
100
50
0
0 3 6 9 2.0 15 18 21 24
0.0 0.5 1.0 1.5 12 2.5 3.0 3.5 4.0
V
F
- Forw ard Voltage (Volts)
Figure 3a. Forward Current vs. Forward Voltage
for White, Green, Cyan and Blue.
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
0
3
6
9 12 15 18 21
V
F
- Forw ard Voltage (Volts)
Figure 3b. Forward Current vs. Forward Voltage
for Red and Amber.
Normalized Relative Luminous Flux
1
0.8
0.6
0.4
0.2
0
0
0
100
200
300
200
400
600
300
600
900
400 12-Up
800
1200 18-Up
Normalized Relative Luminous Flux
1.2
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
0
200
100
300
400
200
600
600
300
900
800
400 12-Up
1200 18-Up
I
F
- Average Forw ard Current (mA)
Figure 4a. Relative Luminous Flux vs. Forward
Current for White, Green, Cyan and Blue at
T
J
= 25
o
C maintained.
I
F
- Average Forw ard Current (mA)
Figure 4b. Relative Luminous Flux vs. Forward
Current for Red and Amber at T
J
= 25
o
C
maintained.
I
F
–
F
Forward Current (mA)
I - Forward Current (mA)
600
500
400
300
200
100
0
0
R
θ
J-A
=6
o
C/W
R
θ
J-A
=5
o
C/W
R
θ
J-A
=4
o
C/W
R
θ
J-A
=3
o
C/W
I
F
- Forward Current (mA)
800
700
800
700
600
500
400
300
200
100
0
0
R
θ
J-A
=6
o
C/W
R
θ
J-A
=5
o
C/W
R
θ
J-A
=4
o
C/W
R
θ
J-A
=3
o
C/W
25
50
75
100
125
(
o
C)
150
25
50
75
100
125
T
A
- Ambient Temperature
T
A
- Ambient Temperature (
o
C)
Figure 5b. Maximum Forward Current vs.
Ambient Temperature. Derating based
on T
JMAX
= 120
o
C for Red and Amber 12-Up.
Figure 5a. Maximum Forward Current vs.
Ambient Temperature. Derating based on
T
JMAX
= 135
o
C for White, Green, Cyan and
Blue12-Up.
I
F
- Forward Current (mA)
1200
1000
800
600
400
200
0
0
25
50
75
100
125
o
I
F
- Forward Current (mA)
1200
1000
800
600
400
200
0
0
25
50
75
100
125
T
A
- Ambient Temperature (
o
C)
Figure 6b. Maximum Forward Current vs.
Ambient Temperature. Derating based
on T
JMAX
= 120
o
C for Red and Amber 18-Up.
R
θ
J-A
=4
o
C/W
R
θ
J-A
=3
o
C/W
R
θ
J-A
=2
o
C/W
R
θ
J-A
=4
o
C/W
R
θ
J-A
=3
o
C/W
R
θ
J-A
=2
o
C/W
150
T
A
- Ambient Temperature ( C)
Figure 6a. Maximum Forward Current vs.
Ambient Temperature. Derating based on
T
JMAX
= 135
o
C for White, Green, Cyan and
Blue18-Up.
Luxeon Flood
6
Document #: DS24 (10/05)
LUMILEDS [ LUMILEDS LIGHTING COMPANY ]
