FS6X1220RJX

AC DC Converters, Offline Switchers Overview

The FS6X1220RJX is a Fairchild Power Switch (FPS) integrated circuit designed for offline power supply applications. It operates within an input voltage range of 10 V to 23 V, with a nominal rating of 12 V. The device delivers a maximum output current of 23.7 A and utilizes pulse width modulation control technology. It is housed in a TO-263 D2PAK package containing six terminals. The component supports a functional operating temperature range from -25 °C to +85 °C.

AC DC Converters, Offline Switchers Feature Summary

• Integrates switching regulator functionality within a single Fairchild Power Switch architecture
• Employs current-mode control techniques combined with pulse width modulation technology
• Provides high output current capability suitable for demanding power conversion loads

AC DC Converters, Offline Switchers Applications

• Offline power supply designs
• General purpose switching regulator circuits
• Industrial power conversion systems

AC DC Converters, Offline Switchers Procurement Notes

Verify the specific datasheet revision and manufacturer documentation directly from onsemi or authorized distributors. Confirm that the TO-263 package dimensions and pinout match your PCB footprint requirements. Ensure the thermal management solution accommodates the specified operating temperature range and power dissipation characteristics for reliable long-term performance.

AC DC Converters, Offline Switchers Selection Notes

Select this component when designing cost-effective offline power supplies requiring integrated control and power stages. Consider the 23.7 A output current limit and the 10 V to 23 V input window against your system's electrical demands. Evaluate the TO-263 package for thermal performance and ensure compatibility with your assembly process and environmental constraints.

AC DC Converters, Offline Switchers Part Context

This part belongs to the Fairchild Power Switch family, which combines high-voltage switching capabilities with intelligent control logic. Originally developed by Fairchild Semiconductor, the product line is now managed by onsemi following corporate acquisition. These devices are engineered to simplify power supply design by reducing external component count while maintaining efficiency and reliability in various industrial and commercial applications.

AC DC Converters, Offline Switchers Replacement Considerations

Consult official cross-reference lists for direct equivalents. Verify pin compatibility and electrical specifications before substitution.