The TOP244YN is a high-efficiency integrated switcher from Power Integrations, part of the TOPSwitch-GX family. It is designed for AC-DC power conversion applications, delivering reliable performance in low-to-medium power supplies, such as power adapters, chargers, and industrial power systems. 

TOP244YN Datasheet PDF 

Key Features:

• Integrated Power Switch: Combines a high-voltage MOSFET and controller in a single package, simplifying the design and reducing the number of external components needed.
• Wide Input Voltage Range: Supports 90V to 265V AC input, making it suitable for global use with different mains power standards.
• High Efficiency: Offers up to 90% efficiency, minimizing heat generation and reducing energy loss during power conversion.
• Low Standby Power: Designed with a low standby power consumption of less than 75mW, ensuring energy efficiency in standby mode.
• Protection Features: Includes built-in protections for over-voltage, over-temperature, and short-circuit, improving the safety and reliability of the power supply.
• Compact Package: The device is available in a TO-220 package, suitable for applications where space is limited.

Applications: 

• Power Adapters and Chargers: Commonly used in AC-DC adapters for consumer electronics, including mobile phone chargers, laptop adapters, and power bricks.
• Industrial Power Supplies: Ideal for industrial systems where compact, efficient power conversion is required for sensors, controllers, and automation systems.
• LED Drivers: Can be used in driving LED systems, converting AC power to a stable DC output for lighting applications.

The TOP244YN provides an integrated, efficient solution for AC-DC power conversion, offering high performance with built-in protection features and low standby power consumption, making it ideal for a wide range of consumer electronics, industrial systems, and energy-efficient applications.  

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