A4401KL-T

Overview

The A4401KL-T is a vacuum fluorescent display driver integrated circuit manufactured by Allegro MicroSystems. It is designed to drive vacuum fluorescent displays and operates within a supply voltage range of 7V to 40V. The device supports a supply current of 2.3 mA and functions reliably across an operating temperature range of -40°C to 125°C. It is housed in an 8-SOIC package with a width of 3.90mm (0.154 inches). This component is classified as a display driver within the power management IC category.

Feature Summary

• Integrated driver specifically engineered for vacuum fluorescent display applications
• Operates on a wide supply voltage range from 7V to 40V
• Designed for surface mount installation in compact electronic systems

Applications

• Vacuum fluorescent display driving circuits
• Industrial control panel interfaces
• Consumer appliance user interfaces

Procurement Notes

Verify the exact suffix against official Allegro MicroSystems documentation, as variations such as KLTR indicate tape and reel packaging while other suffixes may denote bulk or different testing grades. Confirm RoHS compliance status and moisture sensitivity level requirements for your specific assembly process. Ensure the ordering part number matches the required package type and temperature rating before finalizing procurement.

Selection Notes

Select this component when a dedicated driver for vacuum fluorescent displays is required within the specified voltage window. Consider the 8-SOIC footprint for PCB layout constraints. Verify that the thermal performance meets the system's dissipation needs given the 125°C maximum junction temperature limit. Check for availability as the product status may be marked as obsolete in some distributor catalogs.

Part Context

This part belongs to the A4401 series of display drivers from Allegro MicroSystems. It is distinct from the company's motor control or magnetic sensor lines. The A4401KL-T represents a specific configuration within this family, tailored for general-purpose vacuum fluorescent display applications requiring robust voltage handling capabilities.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Allegro MicroSystems engineering support for direct replacements if this component is obsolete.