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LYT2004K - LYTSwitch-2 Family 10W Flyback AC-DC Converter IC

The LYT2004K from Power Integrations is a high-performance, isolated flyback AC-DC converter IC designed for offline power supply applications up to 10W. Part of the proven LYTSwitch-2 family, this integrated switcher delivers reliable, efficient power conversion with minimal external components.

Key Features & Benefits

  • 10W Output Power - Ideal for LED drivers, auxiliary supplies, and low-power industrial applications
  • 725V Breakdown Voltage - High-voltage capability for universal input designs
  • 85kHz Switching Frequency - Enables compact transformer design while minimizing EMI
  • Integrated 725V MOSFET - Reduces component count and simplifies design
  • Isolated Flyback Topology - Provides safe galvanic isolation for safety-critical applications
  • Wide Operating Temperature Range - -40°C to 150°C (TJ) for harsh industrial environments
  • Surface Mount 12-ESOP Package - Space-efficient design for automated assembly

Target Applications

  • LED lighting drivers and ballasts
  • Auxiliary power supplies for industrial equipment
  • Smart home and IoT device power
  • Appliance and white goods power supplies
  • Telecom and networking equipment
  • Automotive auxiliary power (non-safety critical)

Why Choose LYT2004K?

The LYTSwitch-2 family combines Power Integrations' decades of expertise in high-voltage integration with advanced control algorithms to deliver exceptional performance and reliability. With built-in protection features and a simplified design approach, the LYT2004K reduces time-to-market while ensuring compliance with global safety and efficiency standards.

Authorized Distributor: We supply genuine Power Integrations components with full manufacturer traceability, documentation, and warranty support. All parts are sourced through authorized channels and backed by our commitment to long lifecycle availability.

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

Product attributes Property Value
Manufacturer Power Integrations
Product Series LYTSwitch™-2
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 55%
Frequency - Switching 85kHz
Power (Watts) 10 W
Fault Protection -
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 12-BESOP (0.350", 8.89mm Width), 11 Leads, Exposed Pad
Supplier Device Package 12-ESOP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY