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AN3339 데이터시트(PDF) 28 Page - STMicroelectronics

부품명 AN3339
상세설명  185 W power supply with PFC and standby supply for LED TV
PDF  44 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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AN3339 데이터시트(HTML) 28 Page - STMicroelectronics

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Conducted emission pre-compliance test
AN3339
28/44
Doc ID 18449 Rev 2
6
Conducted emission pre-compliance test
Figure 51 and 52 show the peak measurement of the conducted noise at full load and
nominal mains voltages. The limits shown in the diagrams are EN55022 Class-B, which is
the most popular rule for domestic equipment and has more severe limits compared to
Class-A, dedicated to IT technology equipment. As seen, peak measurements are below
the limits relevant to average measurement (red) and more than 10 dB below quasi-peak
limits (green).
Figure 51.
CE peak measurement at 115 Vac and full load
Figure 52.
CE peak measurement at 230 Vac and full load



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