LYT2005K

LYT2005K - LYTSwitch-2 Offline Flyback Switcher IC

The LYT2005K from Power Integrations is a high-performance offline flyback switcher IC designed for isolated AC-DC power conversion applications up to 12W. Featuring an integrated 725V MOSFET and operating at 85kHz switching frequency, this LYTSwitch-2 family device delivers reliable, efficient power conversion in a compact 12-ESOP surface-mount package.

Key Features & Benefits

• Integrated 725V High-Voltage MOSFET - Reduces component count and board space
• 12W Maximum Output Power - Ideal for auxiliary supplies, LED drivers, and low-power adapters
• 85kHz Switching Frequency - Enables compact transformer design
• Wide Operating Temperature Range - -40°C to 150°C (TJ) for industrial and automotive applications
• Isolated Flyback Topology - Provides safe galvanic isolation between input and output
• 55% Maximum Duty Cycle - Optimized for flyback converter efficiency
• Surface Mount 12-ESOP Package - Compact footprint with exposed pad for enhanced thermal performance

Applications

• Auxiliary power supplies for industrial equipment
• LED lighting drivers
• Smart home and IoT device power
• Battery chargers and adapters
• White goods and appliances
• Telecom and networking equipment

Why Choose Our LYT2005K?

As an authorized distributor of Power Integrations products, we guarantee 100% authentic components with full manufacturer traceability and documentation. Every LYT2005K ships with:

• ✓ Full manufacturer warranty and support
• ✓ Complete datasheets and reference designs
• ✓ RoHS compliant certification
• ✓ Fast global shipping from authorized stock
• ✓ Technical design-in assistance available

Need help with your design? Our technical team can provide reference designs, application notes, and design-in support for the LYT2005K and the complete LYTSwitch-2 family.

• LYT2005K.pdf