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INN3478C Datasheet Off-Line Multiple Output QR Flyback Switcher

Manufacturer: Power Integrations

Download the INN3478C datasheet PDF. This datasheet also includes the INN3464C variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (INN3464C-PowerIntegrations.pdf) that lists specifications for multiple related part numbers.

General Description

The InnoSwitch™3-MX together with InnoMux dramatically improves system efficiency by eliminating the boost and buck converter stages.

It also simplifies the development and manufacturing of multiple output power supplies, particularly those in compact enclosures or with high efficiency requirements.

The InnoSwitch3-MX architecture is revolutionary in that the devices incorporate both primary and secondary controllers, with sense elements and a safety-rated feedback mechanism into a single IC.

Overview

InnoSwitch3-MX Family Off-Line Multiple Output QR Flyback Switcher IC with Integrated 650 V, 725 V or 750 V Switch, Synchronous Rectification and FluxLink Feedback Product Highlights Based on InnoSwitch3 • High.

Key Features

  • Primary sensed output OVP.
  • Open SR FET gate detection.
  • Hysteretic thermal shutdown.
  • Input voltage monitor with accurate brown-in/brown-out and overvoltage protection Full Safety and Regulatory Compliance.
  • Reinforced insulation.
  • Isolation voltage >4000 VAC.
  • 100% production HIPOT compliance testing.
  • UL1577 and TUV (EN60950) safety approved.
  • Enables designs that have “A” performance criteria for EN61000-4 suite of tes.

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