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LNK3604P - LinkSwitch-XT2 Offline Switcher IC

The LNK3604P from Power Integrations is a high-performance offline switcher IC in the LinkSwitch-XT2 family, designed for isolated flyback power supplies up to 7.3W. This integrated switcher combines a 725V power MOSFET with advanced control circuitry, delivering reliable AC-DC conversion with comprehensive fault protection.

Key Features & Benefits

  • Integrated 725V Power MOSFET - Reduces component count and simplifies design
  • 7.3W Output Power - Ideal for low-power applications including adapters, chargers, and auxiliary supplies
  • 132kHz Switching Frequency - Enables compact transformer design
  • Comprehensive Protection - Built-in current limiting, over-temperature, and over-voltage protection
  • Wide Operating Range - -40°C to 150°C junction temperature for industrial applications
  • Through-Hole Package - 8-DIP format for easy prototyping and reliable manufacturing
  • RoHS Compliant - Meets environmental standards for global markets

Typical Applications

  • AC-DC adapters and chargers
  • Auxiliary power supplies
  • Standby power for appliances
  • Industrial control systems
  • Smart home devices
  • LED lighting drivers

Why Choose HQICKEY?

As an authorized distributor, we provide 100% authentic Power Integrations components with full traceability, RoHS/REACH compliance documentation, and technical support. All products ship with manufacturer datasheets and quality certifications.

Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch™-XT2
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 725V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 69%
Frequency - Switching 132kHz
Power (Watts) 7.3 W
Fault Protection Current Limiting, Over Temperature, Over Voltage
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case 8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package 8-PDIP-C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY