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TOP246F Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
TOP246FTOP150Yes

TOP246F** is a member of the **TOPSwitch-Family** of integrated switching regulators, manufactured by **Power Integrations**.

The TOP246F is a member of the TOPSwitch-Family of integrated switching regulators, manufactured by Power Integrations.

Key Specifications:

  • Input Voltage Range: 85V AC to 265V AC (universal input)
  • Output Power: Up to 29W (open frame)
  • Switching Frequency: 132 kHz
  • Integrated MOSFET: 700V, 2.5A (typical)
  • Operating Temperature Range: -40°C to +150°C
  • Package: TO-220-7C (with full isolation)
  • Efficiency: Up to 90% (depending on design)
  • Protection Features:
  • Over-temperature protection
  • Over-voltage protection
  • Under-voltage lockout
  • Frequency jittering for reduced EMI

Descriptions:

The TOP246F integrates a high-voltage MOSFET, PWM controller, and protection circuits into a single IC, simplifying offline power supply designs. It is commonly used in AC-DC converters, adapters, and auxiliary power supplies.

Features:

  • Auto-restart protection for fault conditions
  • Frequency jittering for improved EMI performance
  • Soft-start to reduce inrush current
  • Low standby power consumption (<300mW)
  • Cycle-by-cycle current limiting

This device is suitable for flyback and forward converter topologies and is widely used in consumer electronics, industrial power supplies, and LED drivers.

For detailed application notes, refer to the Power Integrations datasheet.

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