The TOP209GN from Power Integrations is a high-performance offline switching IC designed for flyback topology applications. Part of the TOPSwitch® series, it integrates a 700V breakdown voltage MOSFET with an internal switch, enabling efficient power conversion up to 2W. This surface-mount device operates at a 70kHz switching frequency with a 67% duty cycle, making it suitable for compact, energy-efficient designs. It features robust fault protection, including current limiting and over-temperature shutdown, ensuring reliable operation in demanding environments. Compliant with REACH Unaffected and EAR99 ECCN classifications, the TOP209GN is packaged in a tube and rated for MSL 4 (72 hours) moisture sensitivity.
The TOP209GN excels in low-power offline power supplies, including:
The TOP209GN stands out as a versatile, high-efficiency offline switcher for 2W applications, combining integrated protection, compact packaging, and regulatory compliance. Its flyback topology and 700V MOSFET make it a superior choice for designers seeking to simplify layouts while ensuring robustness in auxiliary power, LED drivers, and IoT applications. Power Integrations' TOPSwitch® technology ensures performance and reliability, making the TOP209GN a compelling solution for modern power conversion challenges.
Download datasheets and manufacturer documentation for TOP209GN