STMicroelectronics 350 W CCM PFC Pre-Regulator Demonstration Board Linear Regulator for L4984D for SMPS

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

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)