Power Integrations INN3479C-TL

INN3479C-TL - High-Efficiency 75W Flyback AC/DC Converter IC

The INN3479C-TL from Power Integrations combines advanced PowiGaN™ technology with the proven InnoSwitch™3-MX architecture to deliver exceptional performance in isolated flyback power conversion applications up to 75W. This surface-mount IC integrates primary-side GaN switching with secondary-side control for superior efficiency, reliability, and thermal performance across industrial, telecom, and consumer power supply designs.

Key Features & Benefits

• 750V Breakdown Voltage – Robust GaN FET handles universal AC input with margin
• 75W Output Power – Ideal for adapters, chargers, and auxiliary supplies
• Isolated Flyback Topology – Simplifies design with integrated magnetics control
• 25kHz Switching Frequency – Optimized for efficiency and EMI performance
• Comprehensive Protection – Current limiting, over-temperature, over-voltage, and short-circuit safeguards
• Wide Operating Range – -40°C to 105°C ambient temperature rating
• Compact InSOP-24D Package – Surface mount design for automated assembly
• RoHS Compliant – Meets environmental standards for global markets

Applications

• AC/DC adapters and chargers (smartphone, tablet, laptop)
• Industrial and telecom power supplies
• LED lighting drivers
• Auxiliary power modules
• Smart home and IoT devices

Why Choose INN3479C-TL?

Power Integrations' InnoSwitch3-MX family leverages breakthrough PowiGaN technology to achieve higher efficiency, lower component count, and improved thermal performance compared to traditional silicon-based solutions. The INN3479C-TL is backed by comprehensive design support including reference designs, simulation models, and technical documentation to accelerate your time-to-market.

Ordering Information: Available in Cut Tape (CT) and Tape & Reel (TR) packaging options for prototype and production volumes.

• INN3479C-TL.pdf