Features

■ Onboard 700 V startup source

■ Fast “bi-directional” input voltage feedforward

(1/V2 correction)

■ Accurate adjustable output overvoltage

protection

■ Protection against feedback loop

disconnection (latched shutdown)

■ Inductor saturation protection

■ AC brownout detection

■ Low (≤100 µA) startup current

■ 6 mA max. operating bias current

■ 1 (@ TJ = 25 °C) internal reference voltage

■ -600/+800 mA totem pole gate driver with

active pull-down during UVLO

■ SO-14 package

Application

■ PFC pre-regulators for:

– High-end AC-DC adapter/charger

– IEC61000-3-2 or JEITA-MITI compliant

SMPS, in excess of 400 W

– SMPS for LED luminaires

L6564H属于集成电路（IC） > PFC（功率因数校正）。意法半导体（ST）集团制造生产的L6564HPFC（功率因数校正）功率因数校正 (PFC) 是用于调整交流电路中的电压和电流之间的相位角，使之趋近于零的半导体器件。不同模式包括平均电流、边界导通、连续导通、临界导通、电流控制式频率折返、不连续和不连续导通，开关频率从 6 kHz 至 1.7 MHz 可调。