UCC2975PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UCC2975PWG4 is a voltage-mode resonant fluorescent lamp controller IC from Texas Instruments in an 8-pin TSSOP package. It supports 3V to 13.5V input voltage range with nominal 12V operation for driving CCFL backlight inverters. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC2975PWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Voltage-mode resonant control topology optimized for driving CCFL fluorescent lamps in LCD backlight inverter circuits with stable dimming performance
- Wide input voltage range of 3V to 13.5V (nominal 12V) supporting operation from 3.3V, 5V, 9V, and 12V system rails
- Compact 8-pin TSSOP package minimizing PCB area in slim LCD panel and portable display backlight inverter designs
Applications
The UCC2975PWG4 is designed for use in cold cathode fluorescent lamp (CCFL) backlight inverter circuits for LCD monitors, laptop displays, and industrial panel displays. Its resonant control mode enables efficient, low-distortion lamp drive across a range of supply voltages from small portable systems to 12V industrial equipment. The device is also applicable in lighting control systems requiring voltage-mode regulation for fluorescent tube drivers.
Specifications
| Pbfree Code | No |
| YTEOL | 0 |
| Analog IC - Other Type | FLUORESCENT LIGHT CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | RESONANT CONTROL |
| Input Voltage-Max | 13.5V |
| Input Voltage-Min | 3V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G8 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 105kHz |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What control technique does the UCC2975PWG4 use for lamp driving?
The UCC2975PWG4 uses voltage-mode resonant control to drive fluorescent lamps. Resonant control topology reduces switching losses and EMI by enabling soft-switching transitions, which is particularly important for CCFL backlight inverters in noise-sensitive LCD display applications.
What input voltage range does the UCC2975PWG4 support?
The UCC2975PWG4 accepts an input voltage range from 3V minimum to 13.5V maximum, with a nominal operating voltage of 12V. It is compatible with common supply rails including 3.3V, 5V, 9V, and 12V, providing design flexibility across different power system architectures.
What applications is the UCC2975PWG4 best suited for?
The UCC2975PWG4 is primarily used in CCFL backlight inverter circuits for LCD monitors, laptop screens, and industrial display panels. Its integrated controller simplifies the design of resonant inverter stages that convert DC supply voltages to the high-frequency AC voltages required to drive fluorescent lamps.
What package does the UCC2975PWG4 use and is it RoHS compliant?
The UCC2975PWG4 comes in an 8-pin TSSOP (Thin Shrink Small Outline Package), which provides a compact footprint suitable for space-constrained PCB layouts. Note that this specific variant has a Pb-free code of No, indicating it is not lead-free, so designers should verify RoHS compliance requirements for their application.
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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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