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AN4346 Datasheet(PDF) 16 Page - STMicroelectronics

No. de pieza AN4346
Descripción Electrónicos  10 W wide range - high power factor - isolated LED driver using HVLED815PF
PDF  33 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4346 Datasheet(HTML) 16 Page - STMicroelectronics

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Measurement results
AN4346
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DocID025107 Rev 1
2.9
Harmonic content at nominal mains voltage
One of the main benefits of the HVLED815PF device is the correction of input current
distortion, decreasing the harmonic contents below the limits of the relevant regulations.
Figure 13 and Figure 14 show the harmonic content at 100 Vac/50 Hz and 230 Vac/50 Hz
input voltage.
The measurement at 100 Vac, 50 Hz; PIN = 12.1 W; POUT = 10 W; PF = 0.994:
Figure 13. Harmonic content at 100 Vac/50 Hz
The measurement at 230 V, 50 Hz; PIN = 11.8 W; POUT = 9.9 W; PF = 0.963:
Figure 14. Harmonic content at 230 Vac/50 Hz
Figure 13 and Figure 14 show as the harmonics respect the limits for Class C equipment.



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