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TOP242Y Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TOP242YPOWER122Yes

TOP242Y** is a member of the **TOPSwitch-GX** family of integrated power switches manufactured by **Power Integrations**.

The TOP242Y is a member of the TOPSwitch-GX family of integrated power switches manufactured by Power Integrations. It combines a high-voltage MOSFET, PWM controller, and protection features into a single IC for offline power supply applications.

Key Specifications:

  • Input Voltage Range: 85V AC to 265V AC
  • Output Power (Max): Up to 29W (open-frame, 230V AC)
  • Switching Frequency: 132 kHz (fixed)
  • Drain-Source Voltage (V_DS): 700V
  • Maximum Duty Cycle: 78%
  • Operating Temperature Range: -40°C to +150°C
  • Package: TO-220-7C (Y Package)

Features:

  • Integrated High-Voltage MOSFET (700V)
  • Frequency Jittering for reduced EMI
  • Auto-Restart Protection for overload, short-circuit, and open-loop conditions
  • Line Under-Voltage (UV) and Over-Voltage (OV) Protection
  • Thermal Shutdown with hysteresis
  • Soft-Start to reduce inrush current
  • EcoSmart® Technology for energy-efficient operation

Applications:

  • AC/DC power supplies
  • Adapters and chargers
  • LED drivers
  • Industrial and consumer power systems

The TOP242Y is designed for compact, cost-effective, and reliable offline power conversion with minimal external components.

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