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L6566BH Datasheet Multimode controller

Manufacturer: STMicroelectronics

General Description

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Overview

L6566BH Multimode controller for SMPS.

Key Features

  • Selectable multimode operation: fixed frequency or quasi-resonant.
  • On-board 840 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.
  • Programmable frequency modulation for EMI reduction.
  • Latched or auto-restart OVP.
  • Brownout pr.