TNY278PN

The TNY278PN is a highly integrated, low-power switcher IC designed by Power Integrations, primarily used for power supply applications. It belongs to the TinySwitch family, which is known for its compact size and efficiency in converting AC to DC power.

Key Features:

1. Integrated Components: The TNY278PN integrates a high-voltage power MOSFET, a controller, and a startup circuit into a single package, which simplifies design and reduces the number of external components required.

2. Power Rating: It is capable of delivering up to 5 watts of output power in a typical application, making it suitable for low-power adapters, chargers, and auxiliary power supplies.

3. Wide Input Voltage Range: The device supports a wide input voltage range, typically from 85V to 265V AC, allowing it to operate in various global power environments.

4. High Efficiency: The TNY278PN is designed for high efficiency, often exceeding 80%, which helps in reducing energy consumption and heat generation.

5. Low Standby Power: It features a low standby power consumption, which is crucial for meeting energy efficiency standards and regulations.

6. Built-in Protection Features: The IC includes several built-in protection mechanisms such as over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown, ensuring reliable operation and safeguarding the connected load.

7. Compact Package: The TNY278PN is housed in a DIP-8 package, which is compact and suitable for space-constrained applications. Its small footprint makes it ideal for use in consumer electronics and other compact devices.

8. Simple Design: The device allows for a straightforward design process, with minimal external components needed for operation. This reduces design time and complexity for engineers.

9. Frequency Modulation: The TNY278PN employs frequency modulation to improve efficiency and reduce electromagnetic interference (EMI), making it compliant with various regulatory standards.

Applications:

The TNY278PN is commonly used in a variety of applications, including:

• Wall adapters for consumer electronics
• LED drivers
• Battery chargers
• Auxiliary power supplies for appliances
• Industrial control systems

Conclusion:

Overall, the TNY278PN from Power Integrations is a versatile and efficient solution for low-power applications, combining high performance with ease of use and design flexibility. Its integrated features and protective mechanisms make it a reliable choice for engineers looking to develop compact and efficient power supply solutions.