AN4130 Datasheet, PDF (31/41 Pages) STMicroelectronics – LED driver using the HVLED815PF

AN4130
The final filter design is shown below:
Figure 37. Final input filter design
Design guidance
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The actual transient input waveforms are shown below for different scales:
Figure 38. Input transient at 200 mA/div, 2.5 ms/div
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Figure 39. Input transient at 500 mA/div, 500 µs/div
Doc ID 023315 Rev 1
31/41