Datasheet

0 4 8 12 16 20 24 28 32 36
-3
-2
-1
0
1
2
3
I
LED
REGULATION (%)
V
IN
(V)
1LED
2LED
3LED
4LED
20 24 28 32 36
-3
-2
-1
0
1
2
3
I
LED
REGULATION (%)
V
IN
(V)
6LED
8LED
10LED
20 24 28 32 36
80
85
90
95
100
EFFICIENCY (%)
V
IN
(V)
6LED
8LED
10LED
20 24 28 32 36
-3
-2
-1
0
1
2
3
I
LED
REGULATION (%)
V
IN
(V)
6LED
8LED
10LED
www.ti.com Typical Performance Characteristics
Figure 13. Efficiency vs. V
IN
, Figure 14. I
LED
Regulation vs. V
IN
,
I
LED
= 300mA I
LED
= 450mA
Figure 15. I
LED
Regulation vs. V
IN
, Figure 16. I
LED
Regulation vs. V
IN
,
I
LED
= 300mA I
LED
= 300mA
7
SNVA640A–May 2012–Revised May 2013 AN-2208 TPS92550 450mA 36V LED Driver Micro-Module Evaluation Board
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