UCC3972PWTRG4

Overview

The UCC3972PWTRG4 is a BiCMOS Cold Cathode Fluorescent Lamp (CCFL) controller manufactured by Texas Instruments. It operates within a supply voltage range of 4.5V to 20V and supports frequencies between 80kHz and 160kHz. The device utilizes a current-fed push-pull switcher configuration and is housed in an 8-TSSOP package. It is designed for portable applications such as notebook computers.

Feature Summary

• BiCMOS technology optimized for CCFL control
• Current-fed push-pull switcher configuration
• Integrated frequency control for backlighting

Applications

• Notebook computer displays
• Portable electronic devices
• CCFL backlight systems

Procurement Notes

Verify the RoHS compliance status and specific tape-and-reel packaging details against the official datasheet before procurement. Confirm that the 8-TSSOP package dimensions match your PCB footprint requirements. Ensure the operating temperature range aligns with your system's environmental specifications.

Selection Notes

Select this component when designing power supplies for cold cathode fluorescent lamps in space-constrained portable electronics. The integrated controller simplifies design by combining drive logic with switching capabilities. Consider the 80kHz to 160kHz frequency range for optimal transformer size and efficiency in laptop display backlights.

Part Context

This part belongs to the UCC3972/3 family of CCFL controllers from Texas Instruments. These components are specifically engineered for low-power, high-efficiency lighting applications in mobile computing devices. The PWTRG4 suffix indicates a Pb-free, green compound with an 8-TSSOP package and reel packaging.

Replacement Considerations

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