LYT4327E

LYT4327E - LYTSwitch-4 Family LED Driver IC

The LYT4327E from Power Integrations is a high-performance, isolated LED driver IC from the LYTSwitch-4 family, designed for offline AC-DC power conversion applications up to 50W. This integrated controller features an internal 725V high-voltage MOSFET and supports multiple topologies including flyback, buck (step-down), and boost (step-up) configurations.

Key Features & Benefits

• 50W Power Output: Ideal for mid-power LED lighting, industrial controls, and auxiliary power supplies
• Multi-Topology Support: Flexible design supports flyback, buck, and boost topologies for diverse applications
• 725V Breakdown Voltage: High-voltage capability ensures robust performance and wide input voltage range
• 140kHz Switching Frequency: Optimized for efficiency and compact transformer design
• 99.9% Duty Cycle: Maximizes power delivery and efficiency across operating conditions
• Isolated Output: Provides galvanic isolation for safety-critical applications
• Wide Operating Temperature: -40°C to 150°C (TJ) for industrial and automotive environments
• eSIP-7C Package: Through-hole mounting with exposed pad for enhanced thermal performance

Target Applications

• LED lighting drivers (commercial, industrial, outdoor)
• Offline AC-DC power supplies
• Auxiliary power for industrial equipment
• Smart lighting and IoT-connected devices
• Retrofit LED lamp designs

Why Choose Authorized Distribution?

As an authorized distributor of Power Integrations products, we guarantee 100% authentic components with full manufacturer traceability, comprehensive datasheets, and design support resources. Every LYT4327E ships with complete documentation and is backed by our commitment to long lifecycle availability.

Documentation: Full datasheet and reference designs available. Contact our technical team for design-in support and application guidance.

• LYT4327E.pdf