UCC2972NG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
Texas Instruments UCC2972NG4 is a fluorescent lamp controller and driver IC supporting supply voltages from 5 V to 24 V in an 8-pin PDIP package. It drives cold-cathode fluorescent lamp (CCFL) backlights and provides reliable lamp ignition and control. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC2972NG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UCC2972NG4?
- Wide input voltage range of 5 V to 24 V supports diverse power supply designs for fluorescent lamp control
- Integrated CCFL driver and controller functions in a space-efficient 8-pin PDIP package for easy through-hole assembly
- Supports multiple standard supply rails (5 V, 9 V, 12 V, 15 V, 18 V, 24 V) enabling flexible system integration
What is UCC2972NG4 used for?
The UCC2972NG4 is designed for cold-cathode fluorescent lamp (CCFL) backlight driver applications in LCD monitors, laptop displays, and industrial panel instruments. Its wide 5 V to 24 V supply voltage range makes it adaptable to battery-powered portable equipment as well as AC-adapter-fed desktop displays. It is also suitable for general fluorescent lamp ignition and dimming circuits in consumer electronics and point-of-sale terminal backlighting systems.
What are the specifications of UCC2972NG4?
| YTEOL | 0 |
| Package | Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the UCC2972NG4 datasheet?
UCC2972NG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UCC2972NG4?
Compatible alternatives and drop-in replacements for UCC2972NG4:
Fluorescent Light Controller, Current-mode, 220kHz Switching Freq-Max, BICMOS, PDSO8
Frequently Asked Questions
What is the supply voltage range of the UCC2972NG4, and which standard rails does it support?
The UCC2972NG4 operates from a supply voltage range of 5 V to 24 V, with explicit support for standard rails at 5 V, 9 V, 12 V, 15 V, 18 V, and 24 V. This flexibility allows designers to use the device directly with USB power, single-cell Li-Ion boost outputs, or 12 V automotive and industrial supplies without additional regulators.
For a laptop LCD backlight design, why choose UCC2972NG4 in an 8-pin PDIP package over a surface-mount alternative?
The 8-pin PDIP package of the UCC2972NG4 offers convenient through-hole mounting suitable for prototype boards, evaluation fixtures, and service-replaceable designs where manual soldering is preferred. Its 2.54 mm (100-mil) pin pitch simplifies hand assembly, and the through-hole construction withstands more mechanical stress than 0.5 mm pitch SMD alternatives in vibration-prone industrial LCD backlight applications.
In which types of display backlighting systems is UCC2972NG4 most commonly deployed?
The UCC2972NG4 is most commonly used in cold-cathode fluorescent lamp (CCFL) backlight driver circuits for LCD panels ranging from 10-inch to 17-inch displays, operating at lamp voltages typically between 600 V to 1200 V during ignition and sustained at 300 V to 700 V during normal operation. It also appears in general fluorescent lamp dimming circuits and instrument backlighting applications requiring stable 5 V or 12 V supply rails.
How does UCC2972NG4 simplify CCFL driver board design compared to using discrete transistor-based inverter circuits?
The UCC2972NG4 integrates lamp controller and driver functionality into a single 8-pin IC, eliminating at least 4 to 6 discrete components such as separate oscillator resistors, timing capacitors, and drive transistors needed in a fully discrete CCFL inverter design. This integration reduces PCB area by approximately 30% to 50%, simplifies compliance testing, and improves lamp ignition reliability by providing factory-trimmed control parameters.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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