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AN4376 데이터시트(PDF) 21 Page - STMicroelectronics

부품명 AN4376
상세설명  10 W wide range non-isolated high power factor LED driver using HVLED815PF
PDF  37 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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AN4376 데이터시트(HTML) 21 Page - STMicroelectronics

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AN4376
Measurement results
37
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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