Power Integrations INN4474F-H341-TL

Power Integrations INN4474F-H341-TL InnoSwitch4-Pro AC-DC Converter IC

The INN4474F-H341-TL from Power Integrations is a high-performance isolated AC-DC converter IC from the InnoSwitch™4-Pro family, designed for efficient power conversion in industrial, telecommunications, medical, and consumer electronics applications. This advanced power management solution delivers exceptional reliability and performance for mission-critical systems requiring long-term availability and full component traceability.

Why Choose the INN4474F-H341-TL?

Engineers and procurement specialists worldwide trust Power Integrations for their proven track record in delivering high-reliability power conversion solutions. The InnoSwitch4-Pro family represents the pinnacle of integrated AC-DC converter technology, combining advanced features with robust protection mechanisms to ensure your designs meet the most stringent safety and performance requirements.

Key Features & Benefits

• 170W Power Output: Delivers reliable power for demanding applications including industrial automation, telecom infrastructure, medical equipment, and high-performance computing systems
• Wide Input Voltage Range: Operates from 85V to 265VAC, ensuring global compatibility across all AC mains voltages without the need for manual voltage selection switches
• Advanced Flyback Topology: Features secondary-side synchronous rectification (SR) for superior efficiency and reduced heat dissipation, minimizing thermal management requirements and extending system lifetime
• Comprehensive Protection: Integrated current limiting, overload, over-temperature, over-voltage, short circuit, and UVLO protection safeguards your system against fault conditions and ensures safe operation under all circumstances
• Flexible Control: Enable (EN), frequency control, and soft-start features for optimized performance, reduced EMI emissions, and enhanced system integration flexibility
• Extended Operating Range: -40°C to 105°C ambient temperature rating for harsh industrial environments, automotive applications, and outdoor installations
• 750V Breakdown Voltage: High-voltage isolation ensures safety and reliability in demanding applications requiring galvanic isolation between primary and secondary circuits
• Surface Mount Package: InSOP-T28D (28-PowerSMD Module) for automated assembly, space-efficient PCB layouts, and improved manufacturing yield
• RoHS Compliant: Meets environmental standards for global market access and regulatory compliance

Ideal Applications

This converter IC is perfectly suited for aerospace power supplies, automotive electronics, industrial control systems, telecommunications equipment, medical devices, test and measurement instruments, and high-reliability consumer electronics requiring long lifecycle support and full traceability. The INN4474F-H341-TL excels in applications where efficiency, reliability, and compact form factor are critical design parameters.

Performance Advantages

The InnoSwitch4-Pro architecture delivers industry-leading efficiency across the entire load range, reducing energy consumption and minimizing thermal stress on components. The integrated synchronous rectification on the secondary side eliminates the need for external Schottky diodes, simplifying your BOM and reducing overall system cost. Advanced control algorithms ensure stable operation under dynamic load conditions while maintaining tight output voltage regulation.

Design Resources & Support

Documentation: Full datasheet and application notes available from Power Integrations ensure design-in success and long-term support. Our technical team provides comprehensive design assistance, reference designs, and simulation models to accelerate your time-to-market.

Quality & Reliability

Every INN4474F-H341-TL unit undergoes rigorous testing and quality control procedures to ensure consistent performance and reliability. Power Integrations maintains ISO 9001 certified manufacturing facilities and implements strict quality management systems throughout the production process. All components are fully traceable and backed by comprehensive quality documentation.

Related Products & Resources

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• INN4474F-H341-TL.pdf