UCC3974PW

Overview

The UCC3974PW is a CCFL controller manufactured by Texas Instruments, designed for cold cathode fluorescent lamp applications. It operates within a supply voltage range of 4.5V to 24V and features an operating frequency between 30kHz and 60kHz. The device draws a maximum supply current of 1.7mA and supports surface mount installation in a 16-TSSOP package with a width of 4.40mm. It functions within a temperature range of 0°C to 70°C.

Feature Summary

• Integrated control circuitry specifically engineered for CCFL backlighting systems
• Operates at standard frequencies suitable for display illumination requirements
• Low power consumption profile with minimal supply current draw

Applications

• Cold Cathode Fluorescent Lamp (CCFL) control
• Display backlighting systems
• Industrial lighting controllers

Procurement Notes

Verify the specific suffix against official documentation to confirm pinout and functional variations. Confirm that the component meets the required environmental specifications for the intended operating temperature range. Ensure compatibility with existing driver circuits before integration into new designs.

Selection Notes

Select this component when designing systems requiring dedicated CCFL management with low standby current. Evaluate the 16-TSSOP package constraints against available board space. Consider the 4.5V minimum supply requirement to ensure adequate headroom for the target application's power architecture.

Part Context

This part belongs to the Texas Instruments family of specialized power management and lighting control integrated circuits. It serves as a dedicated solution for managing fluorescent lamp parameters in portable and industrial electronics where efficiency and compact form factors are critical design drivers.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.