Power Integrations

TOP209G  

AC DC Converters, Offline Switches

TOP209G Description

The TOP209G is an offline switch flyback integrated circuit (IC) designed for power management applications. Manufactured by Power Integrations, this device is part of the TOPSwitch® series and features a surface-mount topology. It is rated for a breakdown voltage of 700V and offers a power output of 2 watts. The TOP209G includes an internal switch, providing enhanced efficiency and reliability. It operates at a switching frequency of 70kHz and has a duty cycle of 67%. The device is equipped with fault protection mechanisms such as current limiting and over-temperature protection, ensuring safe operation under various conditions. The TOP209G is packaged in a tube and has a moisture sensitivity level (MSL) of 4, allowing for a 72-hour exposure period. It is classified under the HTSUS code 8542.39.0001 and is REACH unaffected. Although the product is now obsolete, it remains a notable solution for specific power management needs.

TOP209G Features

The TOP209G stands out with its unique set of features tailored for efficient power management:

• High Breakdown Voltage: With a 700V breakdown voltage, the TOP209G is suitable for high-voltage applications, ensuring robust performance and reliability.
• Internal Switch: The inclusion of an internal switch enhances the efficiency and reduces the complexity of the power management circuit.
• Fault Protection: The device offers comprehensive fault protection, including current limiting and over-temperature protection, safeguarding against potential damage and ensuring stable operation.
• Surface Mount Technology: The surface-mount topology allows for compact and efficient integration into modern electronic designs.
• Switching Frequency: Operating at 70kHz, the TOP209G provides efficient power conversion with minimal electromagnetic interference (EMI).
• Duty Cycle: A 67% duty cycle ensures optimal power delivery and efficiency in various applications.
• Moisture Sensitivity Level: With an MSL of 4 (72 hours), the TOP209G is suitable for a wide range of manufacturing environments, ensuring durability and reliability.

TOP209G Applications

The TOP209G is ideal for a variety of power management applications, including:

• Power Supplies: Suitable for low-power, offline power supplies in consumer electronics, telecommunications, and industrial equipment.
• Charging Solutions: Ideal for compact and efficient charging solutions, providing reliable power delivery to various devices.
• Adapters and Converters: The device is well-suited for small form-factor adapters and converters, ensuring efficient power conversion and minimal energy loss.
• Embedded Systems: The TOP209G can be integrated into embedded systems requiring stable and efficient power management, such as IoT devices and smart sensors.

Conclusion of TOP209G

The TOP209G, despite being obsolete, remains a significant solution in the realm of power management ICs. Its high breakdown voltage, internal switch, and comprehensive fault protection make it a reliable choice for various applications. The surface-mount topology and efficient switching frequency further enhance its appeal for modern electronic designs. While newer models may offer advanced features, the TOP209G continues to serve specific needs, ensuring efficient and reliable power management in a wide range of applications.

TOP209G Documents

Download datasheets and manufacturer documentation for TOP209G

Datasheets :

TOP209, 210      

PCN Design/Specification :

Design Chgs 29/Jul/2016