L6566集成電路（IC）的ACDC轉換器離線開關規(guī)格書PDF中文資料

L6566屬于集成電路（IC）的ACDC轉換器離線開關。由意法半導體集團制造生產(chǎn)的L6566AC DC 轉換器，離線開關該系列是元器件級控制產(chǎn)品，用于構建將交流市電轉換為直流電（通常電壓大幅降低）的設備。集成和未集成系統(tǒng)主要開關元件的器件均包括在內(nèi)。由于高輸入輸出電壓比，以及此類系統(tǒng)中通常需要隔離，這些器件通常與外部變壓器配合使用。盡管通常使用定制變壓器來實現(xiàn)此用途，但也有許多專門用于此用途的庫存產(chǎn)品，請參見“開關轉換器，SMPS 變壓器”標題。

Description

The L6566A is an extremely versatile current-mode primary controller IC specifically designed for high-performance offline flyback converters operated from front-end power factor correction (PFC) stages in applications in compliance with EN61000-3-2 or JEITA-MITI regulations.

Features

■ Selectable multi-mode operation: fixed frequency or quasi-resonant

■ Onboard 700 V high-voltage startup

■ Advanced light load management

■ Low quiescent current (< 3 mA)

■ Adaptive UVLO

■ Line feedforward for constant power capability vs. mains voltage

■ Pulse-by-pulse OCP, shutdown on overload (latched or auto-restart)

■ Transformer saturation detection

■ Switched supply rail for PFC controller

■ Latched or auto-restart OVP

■ Brownout protection

■ -600/+800 mA totem pole gate-driver with active pull-down during UVLO

■ SO16N package

Applications

■ Notebook, TV and LCD monitor adapters

■ High power chargers

■ PDP/LCD TVs

■ Consumer appliances, such as DVD players, VCRs, set-top boxes

■ IT equipment, games, auxiliary power supplies

■ Power supplies in excess of 150 W