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Regular price Dhs. 355,880.72
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TOP243FN - TOPSwitch-GX Offline Switching IC

The TOP243FN is a high-performance 45W offline switching IC from Power Integrations' TOPSwitch-GX series, designed for isolated flyback topology power supplies. This integrated solution combines a 700V power MOSFET with advanced control circuitry, delivering reliable performance for AC-DC conversion applications.

Key Features

  • 45W Power Output - Ideal for medium-power offline applications
  • 700V Breakdown Voltage - High voltage capability for universal input designs
  • 66-132kHz Switching Frequency - Optimized for efficiency and EMI performance
  • Integrated Protection - Current limiting, over-temperature, and over-voltage protection
  • 66.5% Maximum Duty Cycle - Excellent transformer utilization
  • Wide Operating Temperature - -40°C to 150°C (TJ) for demanding environments

Applications

Perfect for power adapters, battery chargers, auxiliary power supplies, industrial controls, and consumer electronics requiring reliable, cost-effective AC-DC conversion with built-in safety features.

Product attributes Property Value
Manufacturer Power Integrations
Product Series TOPSwitch®-GX
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 66.5%
Frequency - Switching 66kHz ~ 132kHz
Power (Watts) 45 W
Fault Protection Current Limiting, Over Temperature, Over Voltage
Control Features Frequency Control
Operating Temperature -40°C ~ 150°C (TJ)
Grade -
Qualification -
Mounting Type Through Hole
Package / Case TO-262-7 (6 Leads) Formed Leads
Supplier Device Package TO-262-7C
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY