LYT4222E

LYT4222E - LYTSwitch-4 AC-DC Offline Switching IC

The LYT4222E from Power Integrations is a high-performance AC-DC offline switching IC from the LYTSwitch-4 family, designed for isolated power supply applications up to 15W. This integrated controller features an internal 725V high-voltage MOSFET and supports multiple topologies including flyback, step-down (buck), and step-up (boost) configurations.

Key Features & Benefits

• Integrated 725V High-Voltage Switch - Reduces component count and simplifies design
• Multi-Topology Support - Flyback, buck, and boost configurations for design flexibility
• 15W Output Power - Ideal for LED drivers, auxiliary supplies, and consumer electronics
• 140kHz Switching Frequency - Enables compact transformer design
• 99.9% Maximum Duty Cycle - Optimizes efficiency across load conditions
• Wide Operating Temperature Range - -40°C to 150°C (TJ) for industrial applications
• eSIP-7C Package - Through-hole mounting with exposed pad for thermal management
• RoHS Compliant - Meets environmental standards

Applications

• LED lighting drivers and ballasts
• Auxiliary power supplies for appliances
• Smart home and IoT device power
• Industrial control power supplies
• Consumer electronics adapters

Why Choose Authorized Distribution?

When you purchase the LYT4222E from our authorized distributor network, you receive:

• ✓ Guaranteed Authenticity - Factory-sealed components with full traceability
• ✓ Manufacturer Warranty - Complete warranty support from Power Integrations
• ✓ Technical Documentation - Access to datasheets, application notes, and design resources
• ✓ Long Lifecycle Support - Stable supply for production programs
• ✓ Design-In Assistance - Technical support for your power supply designs

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

• LYT4222E.pdf