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
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.
- 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
- 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
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