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L6566B - Multi-mode controller

Description

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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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 & DISABLE OVP Icharge SO16N Applications ■ ■ ■ ■ Hi-end AC-DC adapter/charger LCD TV/monitor, PDP digi
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