Datasheet

0.0 0.2 0.4 0.6 0.8 1.0
0.0
0.2
0.4
0.6
0.8
1.0
I
LED
(%)
DIM DUTY RATIO (%)
V
IN
=12V(2LED)
V
IN
=24V(4LED)
V
IN
=36V(6LED)
-50 -25 0 25 50 75 100 125
-3
-2
-1
0
1
2
3
I
LED
REGULATION (%)
TEMPERATURE (°C)
V
IN
=12V(2LED)
V
IN
=24V(4LED)
V
IN
=36V(6LED)
8 12 16 20 24 28 32 36
-3
-2
-1
0
1
2
3
FREQUENCY DEVIATION (%)
V
IN
(V)
T
J
=25°C
T
J
=-40°C
T
J
=125°C
0 4 8 12 16 20 24 28 32 36
0
20
40
60
80
100
I
IN
(mA)
V
IN
(V)
T
J
=125°C
T
J
=-40°C
T
J
=25°C
Typical Performance Characteristics www.ti.com
Figure 25. Frequency Deviation vs. V
IN
Figure 26. I
IN
vs. V
IN
400kHz V
LED
= 0V, DIM = open
Figure 27. I
LED
vs. Dimming Duty Ratio Figure 28. I
LED
Regulation vs. Temperature
10
AN-2208 TPS92550 450mA 36V LED Driver Micro-Module Evaluation Board SNVA640A–May 2012–Revised May 2013
Submit Documentation Feedback
Copyright © 2012–2013, Texas Instruments Incorporated