Overview
The UCC28810D, produced by Texas Instruments, is a single-stage power factor correction (PFC) controller designed for offline LED lighting applications. This 8-pin SOIC packaged IC is specifically tailored for controlling critical conduction mode (CrM) operation in flyback, buck, or boost converters. It is compatible with traditional wall dimmers, making it a versatile solution for various lighting systems. The UCC28810D is widely used in industrial, commercial, residential, and outdoor lighting applications, such as streetlights and parking lot illumination. Its ability to support both single-stage and two-stage PFC topologies makes it a competitive choice in the LED lighting market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Package | 8-pin SOIC | - | - |
| Control Modes | Critical Conduction Mode (CrM) | - | Supports flyback, buck, and boost converters |
| VDD Turn-On Threshold | 15.6 | V | - |
| VDD Turn-Off Threshold | 9.7 | V | - |
| Clamp Voltage | 19 | V | - |
| Quiescent Current | 4 | mA | - |
| Protection Features | Overvoltage, Feedback Open, Enable | - | - |
Key Features
- Supports single-stage and two-stage PFC topologies.
- Compatible with traditional wall dimmers.
- Includes a transconductance voltage amplifier for error feedback processing.
- Provides overvoltage protection, feedback open protection, and enable circuit.
- Low quiescent current for energy efficiency.
Applications
The UCC28810D is extensively used in LED lighting systems across various sectors. In industrial and commercial settings, it powers high-efficiency lighting solutions. For residential applications, it enables dimmable and energy-saving lighting systems. In outdoor environments, it is a key component in streetlights, parking lot lights, and tunnel lighting, offering reliable performance and compliance with PFC requirements.
Q & A
What is the primary function of the UCC28810D?
The UCC28810D is a single-stage PFC controller designed for offline LED lighting applications, supporting critical conduction mode in flyback, buck, and boost converters.
Is the UCC28810D compatible with wall dimmers?
Yes, it is compatible with traditional wall dimmers, making it suitable for residential and commercial lighting systems.
What protection features does the UCC28810D offer?
It includes overvoltage protection, feedback open protection, and an enable circuit to ensure system stability and safety.
What is the VDD turn-on threshold for the UCC28810D?
The VDD turn-on threshold is 15.6V.
What is the quiescent current of the UCC28810D?
The quiescent current is 4mA, ensuring low power consumption during operation.
What are the typical applications of the UCC28810D?
It is used in industrial, commercial, residential, and outdoor lighting systems, including streetlights and parking lot illumination.
Does the UCC28810D support two-stage PFC topologies?
Yes, it supports both single-stage and two-stage PFC topologies.
What is the clamp voltage of the UCC28810D?
The clamp voltage is 19V.
What is the VDD turn-off threshold for the UCC28810D?
The VDD turn-off threshold is 9.7V.
What control modes does the UCC28810D support?
It supports critical conduction mode (CrM) for flyback, buck, and boost converters.
