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AN4376 数据表(PDF) 21 Page - STMicroelectronics

部件名 AN4376
功能描述  10 W wide range non-isolated high power factor LED driver using HVLED815PF
PDF  37 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN4376 数据表(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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