LYT4227E

Power Integrations LYT4227E - LYTSwitch-4 AC-DC Offline Switcher IC

The LYT4227E is a high-performance AC-DC offline switcher IC from Power Integrations' LYTSwitch-4 family, designed for isolated power supply applications up to 50W. This advanced integrated circuit combines a 725V power MOSFET with sophisticated control circuitry, supporting flyback, step-down (buck), and step-up (boost) topologies.

Key Features & Benefits

• High Integration: Internal 725V power switch eliminates external components and simplifies design
• Multi-Topology Support: Flexible architecture supports flyback, buck, and boost configurations for diverse applications
• 50W Power Output: Ideal for LED drivers, auxiliary supplies, and industrial control systems
• 140kHz Switching Frequency: Enables compact transformer design and reduced EMI
• 99.9% Duty Cycle: Maximizes efficiency and minimizes switching losses
• Wide Operating Temperature: -40°C to 150°C (TJ) for harsh industrial environments
• Through-Hole eSIP-7C Package: Robust mounting with exposed pad for superior thermal performance
• RoHS Compliant: Meets environmental standards for global markets

Typical Applications

• LED lighting drivers and ballasts
• Auxiliary power supplies for industrial equipment
• Home appliances and white goods
• Telecom and networking infrastructure
• Automotive and transportation systems
• Smart home and IoT devices

Why Choose Authorized Distribution?

When you source the LYT4227E through our authorized channel, you receive genuine Power Integrations components with full manufacturer traceability, warranty support, and access to technical resources including reference designs and application notes. Our commitment to long lifecycle availability ensures your designs remain supported throughout their production lifetime.

All specifications are subject to change without notice. Please refer to the official Power Integrations datasheet for the most current information.

• LYT4227E.pdf