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Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch™-4
Packaging Cut Tape (CT) | Tape & Reel (TR)
Output Isolation Isolated
Internal Switch(s) No
Voltage - Breakdown -
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) 5V ~ 16.5V
Duty Cycle -
Frequency - Switching 65kHz
Power (Watts) 15 W
Fault Protection Over Temperature, Over Voltage, Short Circuit
Control Features -
Operating Temperature -25°C ~ 125°C (TJ)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
Supplier Device Package 8-SO
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

Power Integrations LNK4114D-TL - LinkSwitch-4 Flyback Controller IC

The LNK4114D-TL from Power Integrations is a high-performance offline flyback switching controller designed for AC-DC power conversion applications up to 15W. Part of the advanced LinkSwitch-4 family, this IC delivers reliable, efficient power management with comprehensive fault protection for industrial, automotive, medical, and telecom applications.

Key Features & Benefits

  • 15W Power Output: Ideal for low-to-medium power AC-DC converters
  • 65kHz Switching Frequency: Optimized for efficiency and EMI performance
  • Comprehensive Protection: Over-temperature, over-voltage, and short-circuit fault protection
  • Wide Supply Range: 5V to 16.5V operating voltage for flexible design integration
  • Isolated Topology: Flyback configuration ensures safe, reliable power delivery
  • Compact 8-SOIC Package: Surface-mount design for space-efficient PCB layouts
  • Extended Temperature Range: -25°C to 125°C (TJ) for demanding environments
  • RoHS Compliant: Meets environmental and regulatory standards

Applications

Perfect for power supplies in smart home devices, industrial sensors, LED drivers, battery chargers, and auxiliary power modules requiring compact, reliable AC-DC conversion with robust protection features.

Datasheet: LinkSwitch-4 Family Datasheet

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