The TNY277GN is a high-efficiency integrated switcher from Power Integrations, part of the TinySwitch-III family. It is designed for low to medium power AC-DC conversion and is commonly used in applications such as power adapters, chargers, and small power supplies. 

TNY277GN Datasheet PDF

Key Features:

• Integrated Switcher: Combines a high-voltage MOSFET, controller, and other supporting components in a single package, simplifying circuit design and reducing external components.
• Efficient Power Conversion: Provides high efficiency (up to 90%), reducing heat generation and improving energy efficiency in power conversion.
• Wide Input Voltage Range: Supports an input voltage range of 90V to 265V AC, making it suitable for universal power applications worldwide.
• Low Standby Power: Designed for low standby power consumption, making it ideal for energy-efficient and green applications.
• Built-in Protection Features: Includes over-voltage, over-temperature, and short-circuit protection to enhance the reliability and safety of the power supply. 

Applications: 

• AC-DC Adapters and Chargers: Commonly used in adapters for powering electronic devices such as smartphones, tablets, and other portable electronics.
• Industrial Power Supplies: Suitable for powering sensors, control systems, and other industrial applications where compact and efficient power is required.
• LED Drivers: Can be used in LED lighting applications to convert AC power into a stable DC voltage for LED strips and fixtures. 

The TNY277GN offers a reliable, compact solution for low-power AC-DC conversion, with high efficiency, integrated protection features, and ease of design, making it an ideal choice for power adapters, chargers, and other energy-efficient applications.

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