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Power Integrations

 

Power Integrations InnoMux2-EP Flyback Switcher IC

Dramatically improves power conversion efficiency

Power Integrations offers their InnoMux2-EP IC, a solution that significantly enhances power conversion efficiency. This flyback switcher IC simplifies design by independently regulating and protecting each output, eliminating the need for multiple downstream conversion stages.

With its low BOM count and compact design, the InnoMux-2 IC by Power Integrations features primary and secondary-side controllers, protection features, sensing elements, and a safety-rated feedback mechanism (FluxLink) in a single package. It also includes an LED backlight controller supporting multi-mode dimming, making it an excellent choice for applications such as monitors, TVs, and appliances with lighting or display needs.

The InnoMux2-EP features advanced capabilities to optimize conversion efficiency, including quasi-resonant switching in DCM operation, precise SR control, and minimum-threshold regulation for LED drivers.

Features

Highly Integrated, Compact Footprint

  • Up to 3 independently regulated outputs using a single controller and transformer
  • Eliminates post regulators
  • Incorporates a multi-mode Quasi-Resonant Discontinuous Conduction Mode (DCM) and Continuous Conduction Mode (CCM) flyback controller, 650 V, 725 V or 750 V power switch, secondary side control and synchronous rectification driver
  • Integrated FluxLink™ feedback link eliminates optocouplers
  • Excellent transient response: <±5% CV with 100% load step
  • Constant Voltage (CV) outputs up to 200 V and up to 200 V for LED drive

EcoSmart™ – Energy Efficient

  • PowiGaN™ technology enables >90% efficient power supplies
  • Designs easily meet global energy efficiency regulations
  • Proprietary switching algorithm ensures high efficiency across load
  • Low dissipation allows PCB cooling – no heat sinks required

Advanced Protection / Safety 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
  • Overload protection for each output
  • LED short / open protection

Full Safety and Regulatory Compliance

  • Reinforced isolation
  • Isolation voltage >4000 VAC
  • 100% production HIPOT tested
  • UL1577 and TUV (EN62368) safety testing in progress
  • Enables designs required to meet class A performance criteria for EN61000-4 suite of test standards, including EN61000-4-2,
  • 4-3 (30 V/m), 4-4, 4-5, 4-6, 4-8 (100 A/m) and 4-9 (1000 A/m)

Green Package

  • Halogen free and RoHS compliant

Applications

  • Appliances
  • IoT: Smart Home & Building Automation
  • Metering & Industrial
  • Multi-output power supplies
  • TVs and monitors

 

Typical Application