L6564H集成電路（IC）的PFC（功率因數(shù)校正）規(guī)格書PDF中文資料

L6564H屬于集成電路（IC）的PFC（功率因數(shù)校正）。由意法半導體集團制造生產(chǎn)的L6564HPFC（功率因數(shù)校正）功率因數(shù)校正 (PFC) 是用于調(diào)整交流電路中的電壓和電流之間的相位角，使之趨近于零的半導體器件。不同模式包括平均電流、邊界導通、連續(xù)導通、臨界導通、電流控制式頻率折返、不連續(xù)和不連續(xù)導通，開關頻率從 6 kHz 至 1.7 MHz 可調(diào)。

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