TOP264VG Integrated Off-Line Switcher

TOP264VG Integrated Off-Line Switcher

The TOP264VG is an integrated off-line switcher IC from the TOP Switch-HX family, designed by Power Integrations. It provides a high level of integration and performance, combining a high-voltage power MOSFET, PWM control, fault protection, and other functions into a single package. The device is intended for use in compact, highly efficient, and reliable off-line power supplies. TOP Switch-JX cost effectively incorporates a 725 V power MOSFET, high-voltage switched current source, multi-mode PWM control, oscillator, thermal shutdown circuit, fault protection and other control circuitry onto a monolithic device.

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• High Efficiency: The IC is designed to optimize efficiency across a wide range of loads, helping to reduce heat dissipation and improve overall performance.
  

• Integrated Features: Combines high-voltage power MOSFET, PWM controller, and fault protection circuits in one package.
  

• Advanced Protection: Includes features like over-temperature protection, over-current protection, and over-voltage protection to ensure reliability and safety.
  

• Programmable Switching Frequency: Allows the user to set the switching frequency, providing flexibility in design and optimization.
  

• Multi-mode Operation: Supports different modes of operation for optimal efficiency, including burst mode for light loads.
  

• Line under voltage (UV) detection prevents turn-off glitches
  

• Line overvoltage (OV) shutdown extends line surge with stand
  

Specifications of TOP264VG Integrated Off-Line Switcher

• Input Voltage Range: 85-265 VAC
  

• Maximum Power Output: Up to 264W (dependent on external components and cooling)
  

• MOSFET Breakdown Voltage: 725V (typical)
  

• Operating Frequency: 66 kHz, 132 kHz (programmable)
  

• Standby Power: Less than 150 mW at 265 VAC input
  

• Efficiency: Typically above 85% across a wide load range
  

• Temperature Range: -40°C to +150°C junction temperature
  

Package Includes

• 1 x TOP264VG Integrated Off-Line Switcher