UCC3972N

Overview

The UCC3972N is a BiCMOS cold cathode fluorescent lamp (CCFL) driver controller manufactured by Texas Instruments. It operates within a switching frequency range of 80 kHz to 160 kHz and supports through-hole mounting in an 8-DIP package. The device functions with a supply current of 7 mA and operates across a temperature range of 0°C to 70°C.

Feature Summary

• BiCMOS technology integration for CCFL driver control
• Supports variable frequency operation between 80 kHz and 160 kHz
• Designed for direct drive applications of cold cathode fluorescent lamps

Applications

• Cold cathode fluorescent lamp (CCFL) backlighting systems
• LCD monitor and display panel illumination drivers
• Industrial lighting control circuits requiring CCFL regulation

Procurement Notes

Verify the specific suffix 'N' confirms the 8-pin DIP through-hole package variant. Confirm RoHS compliance status as indicated by manufacturer documentation. Ensure the operating frequency requirements align with the 80 kHz to 160 kHz specification range before procurement.

Selection Notes

Select this component when a dedicated CCFL driver controller is required for display backlights. Consider the 8-DIP package constraint for through-hole assembly processes. Evaluate if the fixed topology meets the system's lamp intensity control needs without external dimming circuitry.

Part Context

This part belongs to the UCC3972 family of CCFL controllers from Texas Instruments. It serves as a specialized power management IC designed specifically for driving fluorescent lamps in electronic displays, distinct from general-purpose DC-DC controllers.

Replacement Considerations

Check for pin-compatible alternatives within the same TI CCFL controller family. Verify that any substitute maintains the 80-160 kHz frequency range and 8-DIP package form factor for direct board replacement.