Power Integrations

TOP202YN

TOP202YN Description

The TOP202YN is an obsolete offline switch IC from Power Integrations, designed for applications requiring high efficiency and reliability in AC-DC conversion. This device is part of the renowned TOPSwitch® series, known for its integrated features and robust performance. The TOP202YN operates within a wide range of topologies, including Boost, Buck, Flyback, and Forward, making it versatile for various power conversion needs. It features a breakdown voltage of 700V, ensuring robustness against high-voltage spikes. The device is housed in a Through Hole package, specifically a Tube, and is rated for 75W of power output. It operates at a switching frequency of 100kHz, providing efficient energy conversion. The TOP202YN includes internal switches and offers fault protection mechanisms such as current limiting and over-temperature protection, enhancing its reliability and safety. With a duty cycle of 67%, it ensures efficient power delivery. The product is REACH unaffected and classified under HTSUS 8542.39.0001. Its moisture sensitivity level (MSL) is 1 (Unlimited), indicating it can be stored without special environmental controls.

TOP202YN Features

• High Breakdown Voltage: The 700V breakdown voltage ensures the TOP202YN can withstand high-voltage transients, making it suitable for demanding applications.
• Versatile Topologies: Supports Boost, Buck, Flyback, and Forward topologies, providing flexibility in circuit design.
• Integrated Switches: Internal switches reduce the need for external components, simplifying the design and improving reliability.
• Efficient Power Delivery: With a 75W power rating and 67% duty cycle, the TOP202YN delivers efficient power conversion.
• Robust Fault Protection: Features current limiting and over-temperature protection to safeguard against common failure modes.
• High Switching Frequency: Operates at 100kHz, enabling compact designs with high efficiency.
• Compliance and Safety: REACH unaffected and MSL 1 (Unlimited) ensure compliance with environmental regulations and ease of handling.

TOP202YN Applications

The TOP202YN is ideal for a variety of applications where high efficiency, reliability, and versatility are required. Its wide range of supported topologies and robust features make it suitable for:

• Power Supplies: Ideal for offline power supplies in consumer electronics, industrial equipment, and medical devices.
• Charger Circuits: Efficient for designing chargers for various electronic devices, ensuring reliable power delivery.
• Adapters and Converters: Suitable for AC-DC adapters and converters, providing stable power output.
• Energy-Efficient Systems: Its high efficiency and robust design make it a preferred choice for energy-efficient systems.

Conclusion of TOP202YN

The TOP202YN, despite being obsolete, remains a reliable choice for applications requiring robust and efficient power conversion. Its high breakdown voltage, versatile topologies, and integrated features offer significant advantages over similar models. The device's fault protection mechanisms and high switching frequency ensure reliable performance and compact design. While newer alternatives may be available, the TOP202YN continues to be a viable option for engineers looking for proven technology in their power conversion designs.