AN-9717 Ver la hoja de datos (PDF) - Fairchild Semiconductor

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AN-9717

400W Interleaved Dual BCM PFC Controller

Fairchild Semiconductor 

www.fairchildsemi.com

Table of Contents

1. Overview of the Evaluation Board ............................................................................................. 3

2. Key Features ............................................................................................................................... 4

3. Specifications .............................................................................................................................. 5

4. Test Procedure ............................................................................................................................ 6

5. Schematic .................................................................................................................................... 7

6. Boost Inductor Specification....................................................................................................... 8

7. Line Filter Inductor Specifications ............................................................................................. 9

8. PCB Layout............................................................................................................................... 10

9. Bill of Materials (BOM) ........................................................................................................... 14

10. Test Results ....................................................................................................................... 16

10.1. Startup ..................................................................................................................... 16

10.2. Normal Operation ................................................................................................... 18

10.3. Line Transient ......................................................................................................... 20

10.4. Load Transient ........................................................................................................ 21

10.5. Brownout Protection ............................................................................................... 22

10.6. Phase Management ................................................................................................. 24

10.7. Efficiency ................................................................................................................ 27

10.8. Harmonic Distortion and Power Factor .................................................................. 28

11. References ......................................................................................................................... 30

12. Ordering Information ........................................................................................................ 30

13. Revision History ............................................................................................................... 30

© 2010 Fairchild Semiconductor Corporation

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FEB279_FAN9611/12 • Rev. 0.0.2

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