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LNK613PG - LinkSwitch-II Offline Switcher IC

The LNK613PG from Power Integrations is a highly integrated offline switcher IC designed for low-power AC/DC conversion applications up to 3.3W. Part of the proven LinkSwitch-II family, this device combines a 700V power MOSFET, oscillator, high-voltage switched current source, current limit, and thermal shutdown circuitry in a compact 8-DIP through-hole package.

Key Features & Benefits

  • Integrated Design: Reduces component count and simplifies PCB layout for cost-effective power supply solutions
  • Flyback Topology: Enables isolated output with minimal external components
  • Comprehensive Protection: Built-in current limiting, open loop, over-temperature, and short circuit fault protection
  • Wide Operating Range: Functions across -40°C to 150°C junction temperature for industrial and commercial applications
  • RoHS Compliant: Meets environmental standards for global distribution
  • High Reliability: 700V breakdown voltage and 55% duty cycle for robust performance

Typical Applications

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

Quality Assurance: All LNK613PG units are sourced from authorized distributors with full traceability and comply with RoHS/REACH environmental directives. Suitable for aerospace, industrial, medical, and telecom applications requiring long lifecycle support.

Product attributes Property Value
Manufacturer Power Integrations
Product Series LinkSwitch®-II
Packaging Tube |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 55%
Frequency - Switching Up to 85kHz
Power (Watts) 3.3 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Short Circuit
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