User manual

I
LED
(mA)
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
500
400
300
200
100
0
-100.000µ 100.000µ 300.000µ 500.000µ
V
DIM
100 Ps/DIV
0
2
1
3
V
DIM
(V)
I
LED
I
LED
(mA)
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
500
400
300
200
100
0
-100.000µ 60.000µ 220.000µ 380.000µ 540.000µ
V
DIM
100 Ps/DIV
0
2
1
3
V
DIM
(V)
I
LED
I
LED
(mA)
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-6.0
500
400
300
200
100
0
0 0 0 0 0
V
DIM
1 ms/DIV
0
2
1
3
V
DIM
(V)
I
LED
INPUT VOLTAGE (V)
EFFICIENCY
(%)
100
95
90
85
80
3.0 3.5 4.0 4.5 5.0 5.5
Typical Performance Characteristics www.ti.com
Figure 4. Efficiency vs. Input Voltage, Figure 5. 500Hz PWM Dimming,
I
LED
= 190 mA 50% Duty Cycle, V
IN
= 3.3 V
Figure 6. 500Hz PWM Dimming (Rising Edge), Figure 7. 500Hz PWM Dimming (Falling Edge)
50% Duty Cycle, V
IN
= 3.3 V 50% Duty Cycle, V
IN
= 3.3 V
4
AN-1996 LM3410X 190mA, LED Driver 6-Pin LLP Evaluation Board SNVA410A–April 2010–Revised May 2013
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