AN3142 datasheet(38/44 Pages) STMICROELECTRONICS

Part #	AN3142

Description	Solution for designing a 400 W fixed-off-time controlled

PDF	44 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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38 / 44 page

Design example using the L6563S-FOT PFC Excel® spreadsheet

AN3142

38/44

Doc ID 17005 Rev 3

Design example using the L6563S-FOT PFC Excel®

spreadsheet

An Excel spreadsheet has been developed to allow a quick and easy design of a boost PFC

preregulator using the STMicroelectronics’ L6563S controller or the L6563H version,

operating in FOT mode. As shown in

Figure 21 the package and the pin-out are different but

most of the functions are the same and therefore they can be calculated in the same way.

Figure 26 and Figure 27 show the first sheet filled with the input design data used in

Section 4.1 on page 9.

Figure 26.

Excel spreadsheet design specification input table

Figure 27.

Other design data

The tool is able to generate a complete parts list of the PFC schematic represented in

Figure 28 or Figure 29, including the power dissipation calculation of the main components.

AN3142 Datasheet(PDF) 38 Page - STMicroelectronics