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TOP232PN - TOPSwitch-FX Offline Switching IC

The TOP232PN from Power Integrations is a high-performance offline switching IC from the TOPSwitch-FX family, designed for cost-effective, space-saving flyback power supply applications up to 15W. This integrated solution combines a 700V power MOSFET, PWM controller, and comprehensive protection features in a single 8-DIP package.

Key Features & Benefits

  • Integrated Design: Combines high-voltage MOSFET and controller, reducing component count and board space
  • Wide Switching Frequency: 66kHz to 132kHz operation with frequency jittering for reduced EMI
  • Comprehensive Protection: Built-in current limiting, over-temperature, and over-voltage protection ensures reliable operation
  • High Efficiency: 78% duty cycle capability maximizes power delivery and minimizes losses
  • Extended Temperature Range: -40°C to 150°C junction temperature for demanding industrial applications
  • RoHS Compliant: Environmentally friendly, lead-free construction

Typical Applications

  • AC-DC power adapters and chargers
  • Auxiliary power supplies
  • Standby power supplies
  • Consumer electronics
  • Industrial control systems
  • LED lighting drivers

All specifications are subject to change without notice. Please refer to the manufacturer's datasheet for complete details and latest revisions.

Product attributes Property Value
Manufacturer Power Integrations
Product Series TOPSwitch®-FX
Packaging |
Output Isolation Isolated
Internal Switch(s) Yes
Voltage - Breakdown 700V
Topology Flyback
Voltage - Start Up -
Voltage - Supply (Vcc/Vdd) -
Duty Cycle 78%
Frequency - Switching 66kHz ~ 132kHz
Power (Watts) 15 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 8-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package 8-PDIP-B
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY