Datasheet

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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