LYT4215L

LYT4215L AC-DC Offline Switching IC - Power Integrations LYTSwitch-4 Series

The LYT4215L is a high-performance isolated AC-DC switching IC from Power Integrations' LYTSwitch-4 family, designed for cost-effective, space-constrained offline power supply applications up to 25W. This integrated switcher combines a 725V power MOSFET, controller, and protection features in a compact eSIP-7F through-hole package.

Key Features & Benefits

• Integrated 725V Power MOSFET - Reduces component count and simplifies design
• Multi-Topology Support - Flyback, Buck (step-down), and Boost (step-up) configurations for design flexibility
• 25W 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 and automotive applications
• Isolated Output - Ensures safety compliance and design versatility

Typical Applications

• LED lighting drivers and ballasts
• Auxiliary power supplies for industrial equipment
• Consumer electronics adapters and chargers
• Smart home and IoT device power supplies
• Telecommunications and networking equipment

Why Choose LYT4215L?

The LYTSwitch-4 family delivers exceptional reliability and design simplicity for offline power conversion. With integrated protection features and a proven track record in demanding applications, the LYT4215L reduces time-to-market while ensuring long-term availability for your production programs. All units ship with full manufacturer documentation and traceability from authorized distribution channels.

Authorized distributor stock with full manufacturer traceability and documentation. Long lifecycle support available for production programs.

• LYT4215L.pdf