L6563 SOP14 original

Advanced transition-mode PFC controller

Features ■ Very precise adjustable output overvoltage protection ■ Tracking boost function ■ Protection against feedback loop failure (Latched shutdown) ■ Interface for cascaded converter's PWM controller ■ Input voltage feedforward (1/V2) ■ Inductor saturation detection (L6563 only) ■ Remote ON/OFF control ■ Low (≤ 90µA) start-up current ■ 5mA max. quiescent current ■ 1.5% (@ TJ = 25°C) internal reference voltage ■ -600/+800 mA totem pole gate driver with active pull-down during UVLO ■ SO14 package

Applications PFC pre-regulators for: ■ HI-END AC-DC adapter/charger ■ Desktop PC, server, WEB server ■ IEC61000-3-2 OR JEIDA-MITI compliant SMPS, in excess of 350W