DS21 LUMILEDS [Lumileds Lighting Company], DS21 Datasheet - Page 5
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DS21
Manufacturer Part Number
DS21
Description
power light source Luxeon Line
Manufacturer
LUMILEDS [Lumileds Lighting Company]
Datasheet
1.DS21.pdf
(8 pages)
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Forward Current Characteristics, T
Luxeon Line
Figure 2a. Forward Current vs. Forward Voltage
for White, Green, Cyan and Blue.
Figure 3a. Relative Luminous Flux vs. Forward
Current for White, Green, Cyan and Blue at
T
J
800
700
600
500
400
300
200
100
= 25
Figure 4a. Maximum Forward Current vs.
Ambient Temperature. Derating based on
T
1.2
0.8
0.6
0.4
0.2
0
400
350
300
250
200
150
100
800
700
400
JMAX
600
500
300
200
100
1
0
50
I
F
0
0
o
0
- Average Forw ard Current (mA)
C maintained.
R θ
R θ
R θ
R θ
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
= 135
0
J-A
J-A
J-A
J-A
V
=6
=5
=4
=3
F
25
T
3
- Forw ard Voltage (Volts)
o
o
o
o
100
A
200
C/W
C/W
C/W
C/W
o
C for White, Green, Cyan and Blue.
- Ambient Temperature (
6
50
9 12 15 18 21 24
400
200
75
300
600
100
800
400
o
125
C)
150
5
800
700
600
500
400
300
200
100
Figure 2b. Forward Current vs. Forward Voltage
for Red and Amber.
Figure 3b. Relative Luminous Flux vs. Forward
Current for Red and Amber at T
maintained.
0
0
Figure 4b. Maximum Forward Current vs.
Ambient Temperature. Derating based
on T
400
350
300
250
200
150
100
800
700
600
500
400
300
1.2
1.0
0.8
0.6
0.4
0.2
0.0
200
100
R θ
R θ
R θ
R θ
50
0
JMAX
J-A
J-A
J-A
J-A
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
0
0
0
I
=6
=5
=4
=3
F
T
- Average Forw ard Current (mA)
25
A
o
o
o
o
= 120
V
C/W
C/W
C/W
C/W
- Ambient Temperature (
Document #: DS21 (10/05)
F
3
- Forw ard Voltage (Volts)
J
100
200
o
C for Red and Amber.
6
= 25
50
9
200
400
12
75
J
o
= 25
C
15
300
600
o
C
100
18
o
C)
400
800
21
125
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.
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.