FSFA2100

AC DC Converters, Offline Switchers Overview

The FSFA2100 is a Fairchild Power Switch (FPS) designed for half-bridge PWM converters. It integrates a high-voltage MOSFET with a controller to simplify power supply design. The device supports peak current mode control and offers protection features including over-current, over-voltage, and thermal shutdown. It is packaged in a SIP configuration suitable for through-hole mounting.

AC DC Converters, Offline Switchers Feature Summary

• Integrates high-voltage MOSFET and controller for half-bridge PWM applications
• Supports peak current mode control for improved performance
• Includes comprehensive protection against over-current, over-voltage, and thermal events

AC DC Converters, Offline Switchers Applications

• Half-bridge resonant converter power supplies
• High-efficiency DC-DC conversion systems
• Industrial power supply designs

AC DC Converters, Offline Switchers Procurement Notes

Verify the exact manufacturer designation as FSFA2100 may refer to legacy Fairchild Semiconductor parts now under onsemi. Confirm package type and pinout compatibility with existing designs. Check for RoHS compliance status and availability of updated datasheets from the current manufacturer.

AC DC Converters, Offline Switchers Selection Notes

Select this component for applications requiring integrated half-bridge control and switching. Ensure the input voltage range matches the system requirements. Consider the thermal management needs due to the integrated nature of the power switch and controller.

AC DC Converters, Offline Switchers Part Context

The FSFA2100 belongs to the FPS family, which combines power switching and control functions. This integration reduces component count and board space. It is part of onsemi's portfolio following the acquisition of Fairchild Semiconductor.

AC DC Converters, Offline Switchers Replacement Considerations

• FSFR2100
• FSFR2100U