LYT4225E

LYT4225E - Power Integrations LYTSwitch-4 AC-DC Offline Switching IC

The LYT4225E is a high-performance 25W AC-DC offline switching IC from Power Integrations' LYTSwitch-4 family. Designed for isolated power supply applications, this integrated controller features an internal 725V breakdown switch and supports multiple topologies including flyback, step-down (buck), and step-up (boost) configurations.

Key Features & Benefits

• 25W Power Output - Ideal for LED drivers, auxiliary supplies, and consumer electronics
• 725V High-Voltage Switch - Integrated MOSFET for compact, cost-effective designs
• Multi-Topology Support - Flyback, buck, and boost configurations for design flexibility
• 140kHz Switching Frequency - Optimized for efficiency and EMI performance
• 99.9% Duty Cycle - Excellent regulation and transient response
• Wide Operating Temperature - -40°C to 150°C (TJ) for industrial applications
• eSIP-7C Package - Through-hole mounting with exposed pad for thermal management
• RoHS Compliant - Environmentally friendly, lead-free construction

Applications

The LYT4225E is perfectly suited for LED lighting drivers, smart home devices, industrial controls, white goods appliances, and auxiliary power supplies where isolated, efficient AC-DC conversion is required.

Why Choose HQICKEY?

As an authorized distributor, we guarantee 100% authentic Power Integrations components with full manufacturer traceability, documentation, and warranty support. Our global logistics network ensures fast delivery with proper handling for sensitive semiconductor components.

For reference designs, application notes, and technical support, please refer to the official LYTSwitch-4 Family Datasheet.

• LYT4225E.pdf