Texas Instruments

UCC2972N

UCC2972N Description

The UCC2972N is a Cold Cathode Fluorescent Lamp (CCFL) controller designed for high-efficiency, high-frequency applications. Manufactured by Texas Instruments, this device is part of the Power Management Integrated Circuit (PMIC) category. The UCC2972N operates within a wide supply voltage range of 4.5V to 20V and features a supply current of 7 mA. It supports a frequency range of 80kHz to 160kHz, making it suitable for various lighting applications. The UCC2972N is housed in a through-hole package and is available in a tube format. It is REACH unaffected and RoHS3 compliant, ensuring environmental and regulatory standards are met. The product is currently marked as obsolete, but it remains a valuable component for specific legacy systems and applications.

UCC2972N Features

The UCC2972N offers several key features that distinguish it from other CCFL controllers:

• Wide Supply Voltage Range: The ability to operate between 4.5V and 20V makes the UCC2972N versatile for various power supply configurations.
• Low Supply Current: With a supply current of only 7 mA, the UCC2972N minimizes power consumption, which is crucial for energy-efficient designs.
• High-Frequency Operation: The frequency range of 80kHz to 160kHz allows for efficient and compact inverter designs, reducing the size and cost of external components.
• Through-Hole Mounting: The through-hole package type ensures robust mechanical stability and ease of integration into existing PCB designs.
• Environmental Compliance: Being REACH unaffected and RoHS3 compliant, the UCC2972N meets stringent environmental regulations, making it suitable for global markets.
• Moisture Sensitivity Level: With an MSL rating of 1 (Unlimited), the UCC2972N is highly resistant to moisture, ensuring reliability in various environmental conditions.

UCC2972N Applications

The UCC2972N is ideal for a range of applications, particularly those requiring efficient and reliable CCFL control:

• Backlighting: Commonly used in LCD monitors and televisions, the UCC2972N provides stable and efficient backlighting solutions.
• Industrial Displays: Suitable for industrial control panels and displays where high brightness and reliability are required.
• Medical Equipment: Ideal for medical devices that require precise and stable lighting for clear visual diagnostics.
• Automotive: Used in automotive dashboards and displays where durability and low power consumption are critical.
• Lighting Systems: Applicable in various lighting systems where CCFLs are used for illumination.

Conclusion of UCC2972N

The UCC2972N, despite being marked as obsolete, remains a robust and reliable CCFL controller suitable for a variety of applications. Its wide supply voltage range, low supply current, and high-frequency operation make it an efficient choice for backlighting and other lighting applications. The through-hole mounting and environmental compliance further enhance its suitability for diverse industrial and consumer electronics. For legacy systems and specific applications requiring CCFL control, the UCC2972N continues to offer a valuable solution.