Power Integrations Unveils Multi-Output ZVS Flyback Switcher IC

Power Integrations Unveils Multi-Output ZVS Flyback Switcher IC

Power Integrations introduces IMX2353Fa member of the InnoMux2-EP family of highly integrated Off-Line Zero Voltage Switching (ZVS) Flyback Switcher ICs, designed specifically for multi-output power supply applications. This IC features a 1700 V GaN (Gallium Nitride) switch, which allows it to operate efficiently with a nominal input voltage of up to 1000 VDC. Its advanced feature set and robust construction make it ideal for powering a range of devices with high efficiency and low power dissipation.

Key Features of IMX2353F

  • Multi-Output Support: Supports up to three independently regulated outputs using a single transformer and controller, eliminating the need for post regulators.
  • High-Voltage Operation: Features a robust 1700 V power switch for high-voltage, high-efficiency designs.
  • Advanced Flyback Controller: Incorporates a multi-mode quasi-resonant DCM and CCM flyback controller with synchronous rectification for optimal performance.
  • FluxLink Feedback: Integrated isolation feedback eliminates the need for optocouplers, improving efficiency and reducing system complexity.
  • Zero Voltage Switching (ZVS): Ensures high efficiency by minimizing switching losses, utilizing advanced SR FET control in DCM-only mode.

Performance Highlights of IMX2353F

  • Efficient Design: Utilizes PowiGaN technology to achieve power supply efficiencies exceeding 90%.
  • Exceptional Transient Response: Offers excellent load regulation with less than ±5% constant voltage (CV) deviation during a 100% load step.
  • High Output Capability: Provides up to 200 V output for both CV and constant current (CC) configurations, making it suitable for LED drivers and industrial power supplies.

Protection and Safety

  • Advanced Protections: Features overload protection for each output, primary sensed output overvoltage protection (OVP), and open SR-FET gate detection.
  • Thermal Management: Hysteretic thermal shutdown ensures safe operation under high thermal stress.
  • Input Monitoring: Integrated brown-in/brown-out detection and overvoltage protection enhance input safety.
  • LED Safety Features: Includes protection against LED short and open conditions.
  • Regulatory Compliance: Provides reinforced isolation with over 4000 VAC isolation voltage, meeting UL1577 and TUV (EN62368) standards. It is fully compliant with the EN61000-4 suite of standards for electromagnetic compatibility.

Applications of IMX2353F

  • High-efficiency driver for monitors and TVs.
  • Compliant with energy standards such as Energy Star 8, CEC, and 2021/2023 EU labeling requirements.
  • Industrial systems.
  • Smart meters and appliance applications.

The IMX2353F is available in a compact  InSOP-T28G package, designed to facilitate efficient heat dissipation without the need for additional heat sinks.

Click here to learn more about IMX2353F.