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TOP242P - TOPSwitch-GX Offline Switching IC

The TOP242P from Power Integrations is a high-performance offline switching IC from the TOPSwitch-GX family, designed for cost-effective, reliable AC/DC power conversion in flyback topology applications up to 15W.

Key Features

  • 15W Power Output - Ideal for low to medium power applications
  • 700V Breakdown Voltage - High voltage capability for universal input designs
  • 66kHz to 132kHz Switching Frequency - Efficient operation with frequency control
  • Integrated Protection - Current limiting, over-temperature, and over-voltage protection
  • 66.5% Duty Cycle - Optimized for flyback converter efficiency
  • Wide Operating Temperature - -40°C to 150°C (TJ) for demanding environments
  • Through-Hole 8-DIP Package - Easy assembly and prototyping

Applications

Perfect for consumer electronics, industrial controls, smart home devices, LED drivers, auxiliary power supplies, and standby power systems requiring isolated AC/DC conversion.

Why Choose TOP242P?

The TOP242P integrates a high-voltage power MOSFET, oscillator, control logic, and protection circuitry into a single package, significantly reducing component count and design complexity. Its proven TOPSwitch-GX architecture ensures reliable performance with built-in fault protection for enhanced system safety.

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) 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