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HVLED001B Datasheet High power factor flyback controller

Manufacturer: STMicroelectronics

General Description

The HVLED001B is an enhanced peak current mode controller able to control mainly high power factor (HPF) flyback or buck-boost.

Some other topologies such as buck, boost and

Overview

HVLED001B High power factor flyback controller with constant voltage primary-sensing and ultra-low standby consumption Datasheet - Production data.

Key Features

  • Quasi resonant (QR) topology.
  • Primary side regulation of output voltage.
  • Direct optocoupler connection for current loop regulation with feedback disconnection detection.
  • 800 V high voltage startup.
  • High power factor and low THD in universal range.
  • High efficiency and output stability in wide voltage and current range.
  • Extremely low standby power at no load condition.
  • Programmable frequency foldback.
  • Integrated input voltage detection for high power f.