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AN3180 датащи(PDF) 23 Page - STMicroelectronics |
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AN3180 датащи(HTML) 23 Page - STMicroelectronics |
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23 / 39 page ![]() AN3180 A 200 W ripple-free input current PFC pre-regulator Doc ID 17273 Rev 1 23/39 Figure 14. Harmonic emissions and conformity to JEITA-MITI standards Figure 15. Harmonic emissions and conformity to EN61000-3-2 standards Table 3. 200 W PFC pre-regulator with ripple-free input current: coupled inductor specification Item Description Core 2xEFD35, PC40 material grade Bobbin 2-slot, 14 pins, horizontal mounting Inductance AC winding inductance (pin 3-1): 260 µH DC winding inductance (pin 12-8): 490 µH leakage inductance (pin 12-8 with pin 1-3 shorted): 255 µH Windings spec and build Winding Pin S/E Wire Turns Notes AC 3/1 100 x 0.1 mm 46 Wound in slot 1 DC 12/8 0.7 mm 64 Wound in slot 2 aux 14/5 0.3 mm 7 Evenly spaced, on top of AC winding |
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