Power Integrations

TOP254PN

TOP254PN Description

The TOP254PN is a highly efficient offline switch IC designed for flyback topology applications, manufactured by Power Integrations. This device is ideal for AC-DC converters and offline switch applications, offering a robust and reliable solution for power conversion needs. The TOP254PN features a breakdown voltage of 700V, ensuring it can handle high-voltage inputs commonly found in standard AC mains. With an active product status, it is a dependable choice for various power supply designs.

TOP254PN Features

• Topology: Flyback topology, which is well-suited for isolated power supplies and provides high efficiency and compact design.
• Mounting Type: Through-hole mounting ensures mechanical stability and ease of integration into existing PCB designs.
• Voltage - Breakdown: 700V breakdown voltage capability, making it suitable for applications with high input voltage ranges.
• Internal Switch(s): Integrated internal switch, reducing the need for external components and simplifying the design process.
• Power (Watts): Capable of delivering up to 28W of power, making it suitable for a wide range of power supply applications.
• Fault Protection: Comprehensive fault protection mechanisms including current limiting, over-temperature, and over-voltage protection ensure reliable operation and enhanced safety.
• Frequency - Switching: 66kHz switching frequency, which balances efficiency and electromagnetic interference (EMI) considerations.
• Duty Cycle: 78% duty cycle, allowing for efficient power conversion and reduced heat generation.
• Package: Supplied in a tube package, which is convenient for handling and storage.
• Output Isolation: Isolated output, providing safety and reliability in applications where galvanic isolation is required.
• Compliance: REACH unaffected and RoHS compliant, ensuring environmental and regulatory standards are met.
• Moisture Sensitivity Level (MSL): Level 1 (unlimited), indicating the device is not sensitive to moisture, making it suitable for various environmental conditions.

TOP254PN Applications

The TOP254PN is ideal for a variety of applications that require efficient and reliable power conversion. Key applications include:

• Power Supplies: Suitable for designing power supplies for consumer electronics, industrial equipment, and medical devices.
• Adapters and Chargers: Ideal for creating compact and efficient adapters and chargers for portable devices.
• LED Lighting: Can be used in LED drivers to provide efficient power conversion and control.
• Telecommunications: Useful in telecom equipment where reliable power supply is critical.
• Renewable Energy: Applicable in small-scale renewable energy systems where isolated power conversion is necessary.

Conclusion of TOP254PN

The TOP254PN from Power Integrations stands out as a versatile and reliable offline switch IC for flyback topology applications. Its high breakdown voltage, integrated switch, and comprehensive fault protection make it a robust solution for a wide range of power supply designs. The device's compliance with environmental and regulatory standards, along with its moisture resistance, ensures it is suitable for various operating conditions. Whether used in power supplies, adapters, LED lighting, or telecom equipment, the TOP254PN delivers efficient power conversion and enhanced safety, making it a preferred choice for engineers and designers in the electronics industry.