FAN7544N

Overview

The FAN7544N is a ballast controller manufactured by onsemi, formerly Fairchild Semiconductor. It operates within a frequency range of 48.2kHz to 57.8kHz and supports a supply voltage of 12.7V to 30V. The device draws 6.5 mA of supply current and functions in an ambient temperature range of -25°C to 125°C. It is housed in an 8-DIP package with a width of 0.300 inches (7.62mm). This component is classified as discontinued.

Feature Summary

• Integrated control logic for high-frequency ballast applications
• Designed for operation across extended industrial temperature ranges
• Supports standard through-hole mounting configurations

Applications

• High-frequency fluorescent lamp ballasts
• Commercial lighting control systems
• Industrial illumination power supplies

Procurement Notes

Verify the obsolete status of this component before integration into new designs. Confirm that the manufacturer has officially ceased production. Ensure that any available units are genuine and match the specified 8-DIP package dimensions. Check for moisture sensitivity level compliance if storage conditions were not strictly controlled during distribution.

Selection Notes

This part is no longer in active production. Designers should evaluate alternative components from the same manufacturer family or compatible third-party solutions. Consider the availability of long-term supply agreements if maintaining existing equipment. Verify pin compatibility and electrical specifications against potential replacement devices to ensure seamless integration without circuit redesign.

Part Context

The FAN7544 belongs to a series of lighting controllers originally developed by Fairchild Semiconductor. Following corporate restructuring, the product line was transferred to onsemi. The device represents a legacy solution for magnetic and electronic ballast control, characterized by its specific operating frequency band and robust thermal performance capabilities for general-purpose lighting infrastructure.

Replacement Considerations

The FAN7711N is documented as a similar replacement option provided by onsemi.