FPF2143

Power Distribution Switches, Load Drivers Overview

The FPF2143 is a full-function load switch with reverse current blocking, manufactured by Fairchild Semiconductor (now onsemi). It features an on-resistance of 120 mOhms and operates within a temperature range of -40°C to +85°C. The device is housed in an MLP EP-6 surface-mount package and has a power dissipation rating of 1.2 W. This component is classified under Power Switch ICs for power distribution.

Power Distribution Switches, Load Drivers Feature Summary

• Provides comprehensive system protection against over-current and thermal conditions
• Incorporates reverse current blocking to prevent backflow when the switch is off
• Designed for efficient power management in portable electronic applications

Power Distribution Switches, Load Drivers Applications

• Portable consumer electronics such as MP3 players and PDAs
• Peripheral port protection in computer systems
• Hot-swappable power supply interfaces

Power Distribution Switches, Load Drivers Procurement Notes

Verify availability status carefully as this component is listed as End-of-Life (EOL) or discontinued by the manufacturer. Current stock may be limited or restricted. Confirm RoHS compliance details through official documentation before procurement planning. Ensure compatibility with existing design constraints given the obsolete status.

Power Distribution Switches, Load Drivers Selection Notes

Select this component only if legacy design compatibility is required or if specific thermal and electrical characteristics match the application needs. Consider the MLP EP-6 package size for space-constrained layouts. Evaluate alternative modern equivalents from the same family if long-term supply assurance is critical for production.

Power Distribution Switches, Load Drivers Part Context

The FPF2143 belongs to the IntelliMAX series of advanced load switches introduced by Fairchild Semiconductor. This series was designed to offer high integration, including slew-rate control and ESD protection, targeting portable devices like mobile phones and digital cameras. The part represents a transition toward more robust power distribution solutions in compact form factors.

Power Distribution Switches, Load Drivers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. As the component is discontinued, engineers should consult official obsolescence notices or contact the manufacturer directly for recommended cross-reference parts or next-generation alternatives within the IntelliMAX portfolio.