UC3872MG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UC3872MG4 is a fluorescent lamp controller and driver IC from Texas Instruments, featuring current-mode resonant control with input voltage range of 4.5V to 24V across 5V, 9V, 12V, 15V, and 18V nominal levels. It supports efficient CCFL and fluorescent lamp dimming in a compact 16-pin QSOP package. Available in RoHS-compliant lead-free packaging, in stock worldwide with fast global shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UC3872MG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode resonant control optimized for efficient fluorescent and CCFL lamp driving
- Wide input voltage range from 4.5V to 24V supporting multi-rail power architectures
- 16-pin QSOP compact surface-mount package enabling space-saving PCB designs
- RoHS-compliant lead-free construction with JESD-609 e4 rating for global regulatory compliance
Applications
The UC3872MG4 is primarily used in LCD backlight inverter circuits, general fluorescent lamp ballasts, and CCFL driver modules for monitors and displays. Its current-mode resonant control enables efficient lamp ignition and dimming, making it well-suited for notebook displays, industrial panel backlights, and commercial lighting control systems. Designers also adopt it in energy-efficient retrofit ballast designs where precise lamp current regulation over a wide input voltage range is essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | FLUORESCENT LIGHT CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | RESONANT CONTROL |
| Input Voltage-Max | 24V |
| Input Voltage-Min | 4.5V |
| Input Voltage-Nom | 5V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 0.1A |
| Output Voltage-Max | 3.06V |
| Output Voltage-Min | 2.94V |
| Output Voltage-Nom | 3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 14mA |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 200kHz |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.635mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| 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 is the input voltage range of the UC3872MG4?
The UC3872MG4 supports an input voltage range from 4.5V minimum to 24V maximum, with a nominal input voltage of 5V. This wide range allows it to operate across multiple power supply rails including 5V, 9V, 12V, 15V, and 18V systems.
What control technique does the UC3872MG4 use for lamp driving?
The UC3872MG4 employs current-mode resonant control, which is optimized for driving fluorescent lamps and CCFLs. This technique provides efficient lamp ignition, stable steady-state operation, and accurate dimming control by regulating lamp current through a resonant LC tank circuit.
What package is the UC3872MG4 available in?
The UC3872MG4 is packaged in a 16-pin QSOP (Quarter Small Outline Package), identified by JESD-30 code R-PDSO-G16. This compact SMD package is ideal for space-constrained PCB designs in portable displays and industrial panel controllers.
Is the UC3872MG4 RoHS compliant?
Yes, the UC3872MG4 is RoHS compliant, carrying a Pb-free code of 'Yes' and JESD-609 code e4, indicating it is manufactured without lead or other restricted substances. This makes it suitable for consumer electronics, industrial, and global markets with environmental regulations.
What are the main applications of the UC3872MG4?
The UC3872MG4 is used in CCFL backlight inverters for LCD monitors and notebook displays, fluorescent lamp ballasts, and industrial lighting controllers. It excels in applications requiring precise lamp current control and wide input voltage tolerance, such as commercial display panels and energy-efficient retrofit lighting systems.
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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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