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AN4163 Datasheet(PDF) 2 Page - STMicroelectronics |
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AN4163 Datasheet(HTML) 2 Page - STMicroelectronics |
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2 / 33 page ![]() Contents AN4163 2/33 DocID023658 Rev 2 Contents 1 Main characteristics and circuit description . . . . . . . . . . . . . . . . . . . . . 5 2 Test results and significant waveforms . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.1 Harmonic content measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.2 Inductor current in FOT and L4984D THD optimizer . . . . . . . . . . . . . . . . .11 2.3 Switching frequency and TIMER pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 2.4 Voltage feed-forward . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 2.5 Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 2.6 Overvoltage and open-loop protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 2.7 Power management/housekeeping functions . . . . . . . . . . . . . . . . . . . . . 21 3 Thermal measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4 Conducted emission pre-compliance test-peak detection . . . . . . . . . 25 5 Bill of material . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 6 PFC coil specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6.1 General description and characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6.2 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6.3 Mechanical aspect and pin numbering . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 6.4 Manufacturer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 7 References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 8 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 |
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