Datasheet

0 4 8 12 16 20 24 28 32 36
0
200
400
600
800
1000
I
LED
(mA)
V
IN
(V)
T
J
=125°C
T
J
=-40°C
T
J
=25°C
0 10 20 30 40 50 60 70 80 90 100
0
10
20
30
40
50
60
70
80
90
100
I
LED
(%)
DIM DUTY RATIO (%)
V
IN
=12V(2LED)
V
IN
=24V(4LED)
V
IN
=36V(6LED)
0 4 8 12 16 20 24 28 32 36
0.0
0.5
1.0
1.5
2.0
2.5
3.0
I
IN
(mA)
V
IN
(V)
T
J
=125°C
T
J
=-40°C
T
J
=25°C
0 4 8 12 16 20 24 28 32 36
0
50
100
150
200
250
300
350
400
450
I
LED
(mA)
V
IN
(V)
T
J
=125°C
T
J
=-40°C
T
J
=25°C
www.ti.com Typical Performance Characteristics
Figure 21. I
IN
vs. V
IN
Figure 22. I
LED
vs. V
IN
V
DIM
= 0V 3LED
Figure 23. I
LED
vs. V
IN
Figure 24. I
LED
vs. Dimming Duty Ratio
V
LED
= 0V, DIM = open
9
SNVA640A–May 2012–Revised May 2013 AN-2208 TPS92550 450mA 36V LED Driver Micro-Module Evaluation Board
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