New Product Introduction

Power Integrations INN3x78C GaN "Size 8" InnoSwitch™3 AC-DC converter

The INN3x78C are an expansion of Power Integrations' InnoSwitch3 families of offline CV/CC/CP flyback switcher ICs

Power Integrations INN3x78C GaN Size 8 product image

The INN3x78C are an expansion of Power Integrations' InnoSwitch3 families of offline CV/CC/CP flyback switcher ICs. These devices incorporate a smaller "size 8" 750 V PowiGaN transistor, enabling compact, efficient power supplies delivering between 27 W and 55 W without heatsinks.  At up to 94% efficiency across line and load, they target USB PD and high-current chargers/adapters for mobile devices, set-top boxes, displays, networking and gaming products, and appliances - especially those aiming to comply with the planned European Energy Labeling Regulation.


Key features

  • High-voltage Primary-side PowiGaN Switch, up to 94% Efficiency
  • Accurate CV/CC/CP, Independent of External Components
  • Integrated FluxLinkTM, HIPOT-isolated, Feedback Link
  • Advanced Protection and Safety Features


Additional features

  • Quasi-Resonant (QR) / CCM flyback controller, high-voltage primary-side PowiGaNTM switch, secondary-side sensing and synchronous rectification driver
  • Integrated FluxLink™, HIPOT-isolated, feedback link
  • Easily interfaces to load-directed and fast-charge protocol ICs
  • Constant Power (CP) Profile minimizes charging time with continuous adjustment of output current and voltage
  • Accurate CV/CC/CP, independent of external components
  • External IS resistor allows custom CC programming
  • Instantaneous transient response with 0%-100%-0% load step
  • Digitally Controlled via I²C Interface (Pro)
  • Dynamic adjustment of power supply voltage and current (Pro)
  • Telemetry status read-back with processor interrupt (Pro)
  • A comprehensive set of configurable features (Pro)



  • USB PD and High-current Chargers/adapters for Mobile Devices
  • Industrial Power Supplies
  • Set-top boxes, Displays, Networking and Gaming Products
  • Utility Meters and Appliances

Power Integrations INN3x78C GaN "Size 8" InnoSwitch™3 | EBV Elektronik

Display portlet menu

Related parts

  • INN3278C-H114-TL
  • INN3278C-H215-TL
  • INN3278C-H217-TL
  • INN3678C-H605-TL
  • INN3678C-H606-TL
  • INN3378C-H302-TL

Do you have a Question?

Contact EBV

If you need any assistance, please click below to find your closest EBV sales office.

Related links

Related markets

Related technologies