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PFS757 - (PFS757 - PFS764) Combined Two-Switch Forward and Flyback Power Supply Controllers

Description

3 Product Highlights 3 Pin Functional Description 5 Pin Configuration 5.

Functional Block Diagram6-7.

Features

  • include: UV, OV, OTP, OCP, and SCP.
  • Transformer reset control.
  • Prevents transformer saturation under all conditions.
  • Allows >50% duty cycle operation.
  • Reduces primary side RMS currents and conduction losses.
  • Standby supply provides built-in overload power compensation.
  • Up to 434 W total output power in a highly compact package.
  • Up to 550 W peak.
  • High efficiency solution easily enables design to meet stringent efficie.

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Datasheet Details

Part number PFS757
Manufacturer Power Integrations
File Size 1.55 MB
Description (PFS757 - PFS764) Combined Two-Switch Forward and Flyback Power Supply Controllers
Datasheet download datasheet PFS757 Datasheet

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Full PDF Text Transcription

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TFS757-764HG HiperTFS Family ™ Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs Key Benefits • Single chip solution for two-switch forward main and flyback standby • High integration allows smaller form factor and higher power density designs • Incorporates control, gate drivers, and three power MOSFETS • Level shift technology eliminates need for pulse transformer • Protection features include: UV, OV, OTP, OCP, and SCP • Transformer reset control • Prevents transformer saturation under all conditions • Allows >50% duty cycle operation • Reduces primary side RMS currents and conduction losses • Standby supply provides built-in overload power compensation • Up to 434 W total output power in a highly compact package • Up to 5
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