Datasheet

Data Sheet ADD5205
Rev. 0 | Page 9 of 16
09858-010
A CH2 11.6V
1
2
4
V
OUT
(100mV/DIV)
V
SW
(10V/DIV)
I
L
(500mA/DIV)
V
IN
= 18V
BRIGHTNESS = 100% 6 SERIES x 4 PARALLEL
Figure 10. Switching Waveforms (V
IN
= 18 V)
09858-011
A CH2 11.6V
V
SW
(10V/DIV)
I
L
(500mA/DIV)
1
2
4
V
OUT
(100mV/DIV)
V
IN
= 3V
BRIGHTNESS = 100% 6 SERIES x 4 PARALLEL
Figure 11. Switching Waveforms (V
IN
= 3 V)
09858-012
A CH1 840mV
1
2
4
PWM (2V/DIV)
V
FB1
(1V/DIV)
I
FB1
(10mA/DIV)
V
IN
= 5V
BRIGHTNESS = 10% 6 SERIES x 4 PARALLEL
Figure 12. LED Current Waveforms (Brightness = 10%)
0
9858-013
A CH1 840mV
1
V
FB1
(1V/DIV)
I
FB1
(10mA/DIV)
PWM (2V/DIV)
V
IN
= 5V
BRIGHTNESS = 70% 6 SERIES x 4 PARALLEL
2
4
Figure 13. LED FB1 Waveforms (Brightness = 70%)