FSGM300N

AC DC Converters, Offline Switchers Overview

The FSGM300N is a Green-Mode Power Switch designed for offline flyback converters up to 30W. It integrates a high-voltage MOSFET with an intelligent control circuit in an 8-DIP package. Key electrical parameters include a maximum drain-source voltage of 650V, a switching frequency of 67kHz, and a startup voltage range of 7.7V to 26V. The device features current limit, overload, overtemperature, overvoltage, and short-circuit protection, operating within a junction temperature range of -40°C to 125°C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates a high-voltage power switch with advanced protection mechanisms including current limiting and thermal shutdown.
• Supports fixed-frequency operation at 67kHz for efficient offline flyback converter designs.
• Features Green-Mode technology to enhance energy efficiency during light-load conditions.

AC DC Converters, Offline Switchers Applications

• Offline flyback converters
• General-purpose AC/DC power supplies
• Adapters and chargers

AC DC Converters, Offline Switchers Procurement Notes

Verify the component authenticity by checking the manufacturer marking against official datasheet specifications. Confirm the package type matches the required 8-DIP footprint. Ensure the revision level aligns with your design requirements. Cross-reference the ordering part number with authorized distributors to avoid counterfeit components. Validate that the device meets the necessary environmental compliance standards for your target market.

AC DC Converters, Offline Switchers Selection Notes

Select this component for low-power offline applications requiring integrated protection and high voltage tolerance. The 650V rating suits direct mains connection without external bulk capacitors. Consider the 8-DIP package for through-hole assembly processes. Evaluate the 67kHz switching frequency against magnetic component size constraints. Verify that the internal startup current and voltage thresholds match the auxiliary winding design.

AC DC Converters, Offline Switchers Part Context

The FSGM300N belongs to onsemi's Green-Mode Power Switch family, specifically the FPS (Fairchild Power Switch) series. This line combines power MOSFETs with control logic to simplify offline power supply designs. The product targets cost-sensitive, high-volume consumer and industrial applications where efficiency and reliability are critical.

AC DC Converters, Offline Switchers Replacement Considerations

Compatible alternatives within the same family include FSGM0465R and FSGM0565RB. These parts share similar Green-Mode characteristics and integration levels. Verify pinout compatibility and specific protection threshold differences before substitution.