User manual

www.ti.com Typical Performance Characteristics
Line Voltage and Line Current Output Voltage and LED Current
(V
IN
= 230V
RMS
, 6 LEDs, I
LED
= 350mA) (V
IN
= 230V
RMS
, 6 LEDs, I
LED
= 350mA)
Figure 12. Ch1: Line Voltage (100 V/div); Figure 13. Ch1: Output Voltage (10 V/div);
Ch3: Line Current Ch3: LED Current
(20 mA/div); Time (4 ms/div) (100 mA/div); Time (4 ms/div)
Power MOSFET Drain and ISNS (Pin-7) Voltage FILTER (Pin-5) and ISNS (Pin-7) Voltage
(V
IN
= 230V
RMS
, 6 LEDs, I
LED
= 350mA) (V
IN
=230V
RMS
, 6 LEDs, I
LED
= 350mA
Figure 14. Ch1: Drain Voltage (100V/div); Figure 15. Ch1: FILTER Voltage (200 mV/div);
Ch4: ISNS Voltage ISNS Voltage
(500 mV/div); Time (4 µs/div) (200 mV/div); Time (4 µs/div)
11
SNVA462F–November 2010–Revised May 2013 AN-2097 LM3444 - 230VAC, 8W Isolated Flyback LED Driver
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