Lemontree

L6564 Transition Mode PFC (Power Factor Correction) Evaluation Board

EVL6564-100W

Overview

The EVL6564-100W demonstration board implements a 100 W power factor correction (PFC) pre-regulator, continuous power, on a regulated 400 V rail from a wide range mains voltage and provides for the reduction of the mains harmonics, which allows meeting the European EN61000-3-2 or the Japanese JEITA-MITI standard. The regulated output voltage is typically the input for the cascaded isolated DC-DC converter that provides the output rails required by the load.

The board is designed to allow full-load operation in still air.

Main features

PCB type and size: Single-side, 35 µm, CEM-1, 90 x 83 mm
Maximum ambient temperature: 50 °C
Minimum switching frequency: 40 kHz
Hold-up time: 10 ms (V_DROP after hold-up time is 300 V)
Line voltage range: 90 to 265 Vac
Regulated output voltage: 400 V
Minimum line frequency (f_L): 47 Hz
Maximum 2 f_L output voltage ripple: 20 V peak-to-peak
Minimum estimated efficiency 92% (at Vin = 90 Vac, Pout = 100 W)
Rated output power: 100 W

Design Files

How to design a transition mode PFC pre-regulator using the L6564

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