Forward Current Characteristics, T
J
= 25
o
C
I
F
- Average Forward Current (mA)
I
F
- Average Forward Current (mA)
400
800
700
350
300
600
250
500
200
400
150
300
200
100
100
50
0
0 1.5 3 4.5 6 2.5 9 3.5 12
0.0 0.5 1.0 1.5 2.0 7.5 3.010.5 4.0 6-Up
0 3 6 9 12 15 18 21 24 12-Up
V
F
- Forw ard Voltage (Volts)
400
800
350
700
300
600
250
500
200
400
150
300
100
200
50
100
0
0 1.5 3 4.5 6 7.5 9 10.5
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)
6-Up
12-Up
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.
Figure 3a. Forward Current vs. Forward Voltage
for White, Green, Cyan and Blue.
Figure 3b. Forward Current vs. Forward Voltage
for Red and Amber.
Normalized Relative Luminous Flux
Normalized Relative Luminous Flux
1.2
1
0.8
0.6
0.4
0.2
0
0
100
200
200
400
300
600
400
800
I
F
- Average Forw ard Current (mA)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
200
100
400
200
600
300
800
400
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.
Figure 4b. Relative Luminous Flux vs. Forward
Current for Red and Amber at T
J
= 25
o
C
maintained.
I
F
- Forward Current (mA)
600
500
400
300
200
100
0
0
25
50
75
100
125
o
I
F
- Forward Current (mA)
800
700
800
700
600
500
400
300
200
100
0
0
25
50
75
100
125
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
6-Up Ring.
R
θ
J-A
=1
o
C/W
0
R
θ
J-A
=8
o
C/W
R
θ
J-A
=6
o
C/W
R
θ
J-A
=4
o
C/W
R
θ
J-A
=1
o
C/W
0
R
θ
J-A
=8
o
C/W
R
θ
J-A
=6
o
C/W
R
θ
J-A
=4
o
C/W
150
T
A
- Ambient Temperature ( C)
Figure 5a. Maximum Forward Current vs.
Ambient Temperature. Derating based on
T
JMAX
= 135
o
C for White, Green, Cyan and Blue
6-Up Ring.
I
F
- Forward Current (mA)
600
500
400
300
200
100
0
0
25
50
75
100
125
o
I
F
- Forward Current (mA)
800
700
800
700
600
500
400
300
200
100
0
0
25
50
75
100
o
R
θ
J-A
R
θ
J-A
=5
o
C/W
R
θ
J-A
=4
o
C/W
R
θ
J-A
=3
o
C/W
=6
o
C/W
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
150
125
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 Blue
12-Up Ring.
T
A
- Ambient Temperature ( C)
Figure 6b. Maximum Forward Current vs.
Ambient Temperature. Derating based
on T
JMAX
= 120
o
C for Red and Amber
12-Up Ring.
Luxeon Ring
6
Document #: DS22 (10/05)
LUMILEDS [ LUMILEDS LIGHTING COMPANY ]
