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SG6905SY Datasheet Green mode PFC/Flyback-PWM Controller

Manufacturer: Fairchild (now onsemi)

Download the SG6905SY datasheet PDF. This datasheet also includes the SG6905 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (SG6905_FairchildSemiconductor.pdf) that lists specifications for multiple related part numbers.

General Description

The highly integrated SG6905 is specially designed for power supplies consisting of boost PFC and flyback PWM.

It requires very few external components to achieve green-mode operation and versatile protections.

It is available in 20-pin SOP package.

Overview

SG6905—Green Mode PFC/Flyback-PWM Controller October 2008 SG6905 Green Mode PFC/Flyback-PWM.

Key Features

  • Interleaved PFC/PWM Switching.
  • Green Mode PWM Operation.
  • Low Startup and Operating Current.
  • Innovative Switching-Charge Multiplier-Divider.
  • Average-Current-Mode Control for PFC.
  • PFC Over-Voltage and Under-Voltage Protections.
  • PFC Remote On/Off Control.
  • PFC and PWM Feedback Open-Loop Protection.
  • Cycle-by-Cycle Current Limiting for PFC/PWM.
  • Slope Compensation for PWM.
  • Constant Power Limit for PWM.
  • Power-On Sequence Control.
  • Brownout.

📁 Similar Datasheet

Brand Logo Part Number Description Manufacturer
System General Logo SG6905 Green mode PFC/Flyback-PWM Controller System General

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