350 W CCM PFC pre-regulator demonstration board based on the L4984D

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Parameter NameParameter Value
Target ApplicationAC-DC Topologies
Core ProductL4984D
Input Voltage Min Volt90.0
Input Voltage Max Volt265.0
Packing TypeNot Applicable
RoHs compliantNot compliant
Package NameCARD

The EVL4984-350W demonstration board, based on the new L4984D continuous conduction mode PFC controller, implements a 350 W wide-range input PFC pre-conditioner. It is suitable for all SMPS from 150 W to several kWs, and is compliant with IEC61000-3-2 and JEITA-MITI standards.

Key features
  • Line voltage range: 90 to 265 Vac
  • Minimum line frequency (fL): 47 Hz
  • Regulated output voltage: 400 V
  • Rated output power: 350 W
  • Maximum 2 fL output voltage ripple: 12.5 V (peak-to-peak)
  • Hold-up time: 20 ms (VDROP after hold-up time: 300 V)
  • Switching frequency: 70 kHz
  • Minimum efficiency: 94% (at Vin = 90 Vac, Pout = 350 W)
  • PCB: single-side, 70 um, CEM-1, 112 x 114 mm