LYT4211L

LYT4211L AC-DC Offline Switching IC - Power Integrations LYTSwitch-4 Series

The LYT4211L is a high-performance AC-DC offline switching IC from Power Integrations' LYTSwitch-4 family, designed for isolated power supply applications up to 12W. This integrated controller features an internal 725V MOSFET switch and supports multiple topologies including flyback, buck, and boost configurations.

Key Features & Benefits:

• Integrated 725V MOSFET - Reduces component count and simplifies design
• 12W Power Output - Ideal for LED drivers, auxiliary supplies, and low-power adapters
• Multi-Topology Support - Flyback, step-down (buck), and step-up (boost) operation
• 140kHz Switching Frequency - Enables compact transformer design
• 99.9% Maximum Duty Cycle - Optimized efficiency across load range
• Wide Operating Temperature - -40°C to 150°C (TJ) for industrial applications
• eSIP-7F Package - Through-hole mounting with exposed pad for thermal management

Applications:

• LED lighting drivers and ballasts
• Auxiliary power supplies for industrial equipment
• Low-power AC-DC adapters and chargers
• Smart home and IoT device power supplies
• Standby and bias supplies

Why Choose LYT4211L:

As an authorized distributor, we provide genuine Power Integrations components with full manufacturer documentation, traceability, and warranty support. The LYTSwitch-4 family offers exceptional reliability and long lifecycle availability for your critical designs.

Documentation & Support: Full datasheets, application notes, and reference designs available. Contact our technical team for design-in support and long-term availability commitments.

• LYT4211L.pdf