Power Integrations

TOP100YN  

AC DC Converters, Offline Switches

TOP100YN Description

The TOP100YN is an integrated offline switcher IC designed for AC-DC conversion applications. Manufactured by Power Integrations, it belongs to the renowned TOPSwitch® series. This device is equipped with a through-hole mounting type and features a robust 350V breakdown voltage, making it suitable for a wide range of power supply applications. The TOP100YN supports various topologies including Boost, Buck, Flyback, and Forward, providing flexibility in circuit design. It also includes internal switches and offers a maximum power output of 30 watts. The device operates at a switching frequency of 100kHz and includes fault protection mechanisms such as current limiting and over-temperature protection. Despite its obsolescence, the TOP100YN remains a reliable choice for applications requiring isolated output and a duty cycle of 67%. It is packaged in a tube and is REACH unaffected, ensuring compliance with environmental regulations.

TOP100YN Features

• Topology Versatility: Supports Boost, Buck, Flyback, and Forward topologies, offering designers the flexibility to choose the most suitable configuration for their specific application needs.
• High Breakdown Voltage: With a 350V breakdown voltage, the TOP100YN can handle high-voltage inputs, making it ideal for applications where voltage fluctuations are common.
• Internal Switches: The inclusion of internal switches simplifies the design process and reduces the number of external components required, leading to a more compact and cost-effective solution.
• Fault Protection: Features current limiting and over-temperature protection, ensuring reliable operation and safeguarding against potential damage due to overloads or thermal issues.
• Isolated Output: Provides isolated output, which is crucial for applications requiring electrical isolation between the input and output circuits, enhancing safety and performance.
• High Switching Frequency: Operates at a switching frequency of 100kHz, allowing for smaller passive components and a more compact design.
• Moisture Sensitivity Level: MSL 1 (Unlimited) ensures that the device can be stored and handled without the need for special precautions, simplifying manufacturing processes.
• REACH Compliance: The TOP100YN is REACH unaffected, ensuring compliance with environmental regulations and making it suitable for global markets.

TOP100YN Applications

The TOP100YN is ideal for a variety of applications requiring efficient AC-DC conversion and reliable power management. Some specific use cases include:

• Power Supplies: Suitable for designing power supplies for consumer electronics, industrial equipment, and medical devices where isolated output and high efficiency are critical.
• Adapters and Chargers: Ideal for creating compact and efficient adapters and chargers for portable devices, benefiting from the high switching frequency and internal switches.
• Lighting Systems: Can be used in LED lighting systems where isolated output and high reliability are essential for long-term performance.
• Industrial Control Systems: Applicable in industrial control systems where robustness against voltage fluctuations and fault protection mechanisms are required to ensure continuous operation.

Conclusion of TOP100YN

The TOP100YN, despite being obsolete, remains a reliable and versatile offline switcher IC for AC-DC conversion applications. Its high breakdown voltage, internal switches, and multiple topology support make it a valuable choice for designers seeking a compact and efficient solution. The inclusion of fault protection mechanisms and isolated output further enhance its reliability and safety. While newer models may offer additional features, the TOP100YN continues to provide excellent performance and value for applications requiring robust power management and compliance with environmental regulations.

TOP100YN Documents

Download datasheets and manufacturer documentation for TOP100YN