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Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch™-3
Packaging Tape & Reel (TR) |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 55%
Frequency - Switching Up to 85kHz
Power (Watts) 5.1 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Short Circuit
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width), 7 Leads
Supplier Device Package SO-8C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

Power Integrations LNK6425D-TL - LinkSwitch-3 Offline Switching IC

The LNK6425D-TL from Power Integrations is a high-performance offline switcher IC from the LinkSwitch-3 family, designed for compact, energy-efficient AC/DC power conversion applications up to 5.1W. This integrated switcher combines a high-voltage power MOSFET with advanced control circuitry in a space-saving SO-8C surface mount package.

Key Features & Benefits

  • Integrated Flyback Topology: Simplifies design with built-in 725V breakdown voltage MOSFET
  • 5.1W Power Output: Ideal for low-power applications including adapters, chargers, and auxiliary supplies
  • Advanced Protection: Comprehensive fault protection including current limiting, over-temperature, short circuit, and open loop detection
  • High Efficiency: Up to 85kHz switching frequency with 55% duty cycle for optimized performance
  • Compact Design: SO-8C surface mount package saves board space
  • RoHS Compliant: Meets environmental standards for global markets

Typical Applications

  • AC/DC adapters and chargers
  • Auxiliary power supplies
  • Standby power for appliances
  • Smart home and IoT devices
  • Industrial control systems

Why Choose Power Integrations?
Power Integrations is a leading manufacturer of high-performance power conversion semiconductors, trusted by engineers worldwide for reliability, efficiency, and comprehensive technical support. The LinkSwitch-3 family offers proven performance with full traceability and long lifecycle availability.