INN4776C-H191-TL

Power Integrations INN4776C-H191-TL - High-Performance 200W AC/DC Converter IC

The INN4776C-H191-TL from Power Integrations is a premium isolated flyback AC/DC converter IC designed for high-efficiency power supply applications up to 200W. Featuring advanced secondary-side synchronous rectification (SR) topology, this device delivers superior performance across industrial, telecommunications, medical, and consumer electronics applications.

Why Choose the INN4776C-H191-TL?

This advanced AC/DC converter IC combines robust power handling with intelligent protection features, making it the ideal choice for engineers designing reliable, efficient power supplies. The integrated secondary-side synchronous rectification significantly improves efficiency compared to traditional diode-based designs, reducing heat generation and enabling more compact power supply solutions.

Key Features & Benefits:

• 200W Power Output - Robust power handling for demanding applications including industrial automation, telecom infrastructure, and medical equipment
• Wide Input Voltage Range - 85V to 265V AC/DC operation ensures global compatibility across all mains voltage standards
• 750V Breakdown Voltage - Enhanced reliability and safety margin for long-term operation in harsh environments
• Integrated Protection Suite - Comprehensive current limiting, over-temperature, over-voltage, and UVLO safeguards protect your design and end users
• Extended Temperature Range - -40°C to 105°C ambient operation for harsh industrial and automotive environments
• Soft Start Control - Minimizes inrush current and mechanical stress on components, extending system lifetime
• Variable Switching Frequency - 50kHz to 140kHz range enables optimized EMI performance and magnetic component design
• Surface Mount Package - InSOP-24D for automated assembly, improved thermal performance, and space efficiency
• RoHS Compliant - Meets environmental standards for global markets and regulatory compliance

Target Applications:

The INN4776C-H191-TL is engineered for a wide range of power conversion applications:

• Industrial Automation - PLCs, motor drives, factory automation equipment
• Telecommunications - Base stations, network equipment, data center infrastructure
• Medical Equipment - Diagnostic devices, patient monitoring systems, laboratory instruments
• LED Lighting Drivers - Commercial and industrial LED power supplies
• Consumer Appliances - Home automation, smart appliances, battery chargers
• Test & Measurement - Bench power supplies, instrumentation

Design Advantages:

The secondary-side synchronous rectification topology delivers up to 94% efficiency, significantly reducing power losses and thermal management requirements. The wide switching frequency range allows designers to optimize for size, cost, or EMI performance based on specific application needs. Comprehensive protection features reduce external component count and simplify certification processes.

Quality & Reliability:

All Power Integrations products undergo rigorous testing and quality control processes. The INN4776C-H191-TL is manufactured to the highest industry standards, ensuring consistent performance and long-term reliability. Full traceability documentation is available for critical applications requiring compliance verification.

For detailed technical documentation, application notes, reference designs, and design resources, please refer to the manufacturer's datasheet and application guides.

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• INN4776C-H191-TL.pdf