LYT4223E

LYT4223E - Power Integrations LYTSwitch-4 AC-DC Offline Switcher IC

The LYT4223E is a high-performance AC-DC offline switcher IC from Power Integrations' LYTSwitch-4 family, designed for isolated power supply applications up to 18W. This integrated switcher combines a 725V power MOSFET with advanced control circuitry, enabling efficient flyback, buck, and boost topologies with minimal external components.

Key Features & Benefits

• 18W Output Power: Ideal for LED drivers, auxiliary supplies, and low-power AC-DC converters
• 725V High-Voltage MOSFET: Provides robust performance and wide input voltage range capability
• 140kHz Switching Frequency: Enables compact transformer design while maintaining high efficiency
• 99.9% Maximum Duty Cycle: Optimizes power delivery and reduces transformer size
• Multi-Topology Support: Flexible design for flyback, step-down (buck), and step-up (boost) configurations
• Wide Operating Temperature: -40°C to 150°C (TJ) for demanding industrial and automotive environments
• Through-Hole eSIP-7C Package: Easy assembly with formed leads and exposed pad for enhanced thermal performance
• RoHS Compliant: Meets environmental standards for global distribution

Applications

The LYT4223E is engineered for space-constrained, cost-sensitive power supply designs including LED lighting drivers, smart home devices, industrial controls, white goods appliances, and auxiliary power modules. Its integrated approach reduces BOM count, simplifies design, and accelerates time-to-market.

Why Choose Authorized Distribution?

When you source the LYT4223E through authorized channels, you receive genuine Power Integrations components with full manufacturer traceability, technical documentation, and design support. Our stock ensures long lifecycle availability to support your product programs and mitigate obsolescence risk throughout your production cycle.

• LYT4223E.pdf