UCC3973N

Overview

The UCC3973N is a BiCMOS Cold Cathode Fluorescent Lamp (CCFL) driver controller manufactured by Texas Instruments. It operates within a frequency range of 80 kHz to 160 kHz and is housed in an 8-DIP package with a width of 0.300 inches (7.62 mm). The device functions as a dedicated lighting and ballast controller, designed for efficient management of CCFL systems.

Feature Summary

• BiCMOS technology integration for robust driver control
• Programmable voltage clamp functionality at the BUCK pin
• Dedicated architecture for cold cathode fluorescent lamp applications

Applications

• Cold Cathode Fluorescent Lamp (CCFL) driver circuits
• Lighting system controllers
• Ballast control units

Procurement Notes

Verify the specific suffix 'N' corresponds to the 8-DIP package configuration when sourcing. Confirm RoHS compliance status through official manufacturer documentation or authorized distributor datasheets prior to procurement. Ensure the component meets environmental specifications required for the intended deployment environment.

Selection Notes

Select this component for applications requiring precise control of CCFL illumination. The fixed operating frequency range suits standard backlighting needs. Evaluate thermal performance and package constraints against the design requirements. Compare against alternative PMIC solutions if variable frequency operation is necessary.

Part Context

This part belongs to the Texas Instruments power management family, specifically categorized under lighting and ballast controllers. It serves as a specialized integrated circuit for managing discharge lamps, distinct from general-purpose DC-DC converters or linear regulators found in other TI product lines.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Texas Instruments application notes or authorized distributors for cross-reference data before considering alternative components.