TOP223YN

The TOP223YN is a high-performance integrated circuit (IC) designed for use in switch-mode power supply (SMPS) applications. It is part of the TOPSwitch family from Power Integrations, which is known for its efficiency and reliability in power conversion tasks.

Key Features:

1. Integrated Design: The TOP223YN combines a high-voltage power MOSFET with a control circuit, which simplifies the design and reduces the number of external components needed for power supply applications.

2. Output Power: It is capable of delivering up to 50 watts of output power, making it suitable for a variety of applications, including adapters, chargers, and other power supply units.

3. Wide Input Voltage Range: The device supports a wide input voltage range, typically from 85V to 265V AC, allowing it to be used in different geographical regions with varying mains voltages.

4. High Efficiency: The TOP223YN is designed to operate with high efficiency, often exceeding 80%, which helps in reducing energy consumption and heat generation.

5. Built-in Protection Features: It includes several built-in protection mechanisms such as over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown, which enhance the reliability and safety of the power supply.

6. Frequency Modulation: The IC operates at a fixed frequency of around 100 kHz, which helps in minimizing the size of the magnetic components used in the design.

7. Compact Package: The TOP223YN is housed in a DIP-8 package, which is compact and easy to handle, making it suitable for space-constrained applications.

8. Simple Design Implementation: The device is designed for ease of use, with a straightforward application circuit that allows designers to quickly implement it into their power supply designs.

Applications:

The TOP223YN is commonly used in various applications, including:

• AC-DC power adapters
• Battery chargers
• LED drivers
• Isolated power supplies for consumer electronics
• Industrial power supplies

Electrical Characteristics:

• Switching Frequency: Approximately 100 kHz
• Maximum Output Current: Up to 1.5A
• Operating Temperature Range: Typically from -40°C to +125°C

Conclusion:

The TOP223YN from Power Integrations is a versatile and efficient solution for designers looking to create reliable power supply systems. Its integrated design, high efficiency, and built-in protection features make it an excellent choice for a wide range of applications, ensuring both performance and safety in power conversion tasks.