Datasheet
Turn-On Angle vs. Output Current
0
50
100
150
200
250
300
5 55 105 155
Turn-On Angle (degrees)
Output Current (mA)
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Performance Data and Typical Characteristic Curves
7.6 Switch Node Voltage Valley Switching
Figure 9. Switch Node Waveform
(Ch4 - LED current Ch3 - switch node Ch2 - rectified line voltage)
7.7 Triac Dimmer LED Current vs Conduction Angle
Figure 10. LED Current vs Conduction Angle
11
SLUU978–June 2012 LM3447-A19-230VEVM is a Phase-Dimmable, Primary-Side Regulated LED
Driver
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