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AN4149 Datasheet(PDF) 38 Page - STMicroelectronics

Part # AN4149
Description  Designing a CCM PFC pre-regulator based on the L4984D
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4149 Datasheet(HTML) 38 Page - STMicroelectronics

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Design example using the L4984D-CCM PFC excel spreadsheet
AN4149
38/43
DocID023523 Rev 2
6
Design example using the L4984D-CCM PFC excel
spreadsheet
An excel spreadsheet has been created for a quick and easy reference in order to design a
boost CCM PFC pre-regulator using the L4984D.
Figure 22 shows the first sheet already precompiled with the input design data used in
Section 2.1.
Figure 23. Excel spreadsheet design specification input table
Figure 24. Other design data
The spreadsheet generates a complete list of parts of the PFC schematic represented in
Figure 25 on page 39 including the power dissipation calculation of the power components,
following the calculation procedure described in this document .



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