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L6566B

Part Number	L6566B
Manufacturer	STMicroelectronics
Description	Multi-mode controller
Published	Feb 8, 2010
Detailed Description	L6566B Multi-mode controller for SMPS Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Selectable multi-mode operation: fixed frequen...
Datasheet	L6566B PDF File

Overview

L6566B Multi-mode controller for SMPS Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Selectable multi-mode operation: fixed frequency or quasi-resonant On-board 700 V high-voltage start-up 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 autorestart) Transformer saturation detection Programmable frequency modulation for EMI reduction Latched or autorestart OVP Brownout protection -600/+800 mA totem pole gate driver with active pull-down during UVLO SO16N package Block diagram VREF 10 1 HV SS 14 SOFT-START & FAULT MNGT TIME OUT COMP 9 VFF 15 LOW CLAMP OFF2 & DIS...

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