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AN4376 Datenblatt(PDF) 21 Page - STMicroelectronics

Teilenummer AN4376
Bauteilbeschribung  10 W wide range non-isolated high power factor LED driver using HVLED815PF
PDF  37 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4376 Datenblatt(HTML) 21 Page - STMicroelectronics

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AN4376
Measurement results
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6.9
Total harmonic distortion (THD) at different LED load number
Figure 18 shows the total harmonic distortion (THD) versus the line.
Figure 18. THD versus AC line voltage at different LED load
THD at nominal input voltage (Japanese - European) is lower than 20% applying different
loads. Also the distortion of the PFC current is increasing, decreasing the number of LED.



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