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LNK614PG - LinkSwitch-II Offline Switcher IC

The LNK614PG is a high-performance offline switcher IC from Power Integrations' LinkSwitch-II family, designed for low-power AC-DC conversion applications up to 4.1W. This integrated solution 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:

  • Integrated 700V power MOSFET for flyback topology
  • 4.1W maximum output power capability
  • Switching frequency up to 85kHz for compact transformer design
  • Comprehensive protection: current limiting, open loop, over-temperature, and short circuit
  • Wide operating temperature range: -40°C to 150°C (TJ)
  • RoHS compliant for environmental compliance
  • Through-hole mounting for reliable assembly

Applications: Ideal for low-power AC-DC converters in consumer electronics, industrial controls, smart home devices, and auxiliary power supplies where simplicity, reliability, and cost-effectiveness are essential.

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) 4.1 W
Fault Protection Current Limiting, Open Loop, Over Temperature, Short Circuit
Control Features -
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type 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