LYT4226E

LYT4226E - Power Integrations LYTSwitch-4 AC-DC Offline Switching IC

The LYT4226E is a high-performance 35W AC-DC offline switching IC from Power Integrations' LYTSwitch-4 family, designed for isolated power supply applications requiring exceptional efficiency and reliability. This integrated switcher combines a 725V power MOSFET with advanced control circuitry, supporting flyback, buck, and boost topologies for maximum design flexibility.

Key Features & Benefits

• 35W Power Output - Ideal for LED drivers, auxiliary supplies, and consumer electronics
• 725V Breakdown Voltage - Robust protection for universal AC input applications
• 140kHz Switching Frequency - Enables compact transformer designs and reduced EMI
• 99.9% Duty Cycle - Maximizes efficiency across load conditions
• Multi-Topology Support - Flyback, step-down (buck), and step-up (boost) configurations
• Wide Operating Temperature - -40°C to 150°C (TJ) for industrial and automotive applications
• Through-Hole eSIP-7C Package - Easy assembly with excellent thermal performance
• Isolated Output - Enhanced safety and noise immunity

Applications

The LYT4226E is perfectly suited for LED lighting drivers, smart home devices, industrial controls, white goods appliances, and auxiliary power supplies where high efficiency, compact size, and long-term reliability are critical.

Why Choose LYT4226E?

Power Integrations' LYTSwitch-4 technology delivers industry-leading integration, reducing external component count and board space while improving system reliability. With built-in protections and proven performance in demanding applications, the LYT4226E simplifies design and accelerates time-to-market.

• LYT4226E.pdf