Overview
The UCC28061DR, manufactured by Texas Instruments, is a highly efficient, interleaved transition mode power factor correction (PFC) controller designed for consumer applications where audible noise reduction is critical. This model extends the benefits of low-cost component utilization and high efficiency to higher power ratings than previously achievable. The UCC28061DR is particularly suited for applications ranging from 100W to 800W, making it ideal for use in gaming consoles, set-top boxes, adapters, and home audio systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Model | UCC28061DR | - | - |
| Category | AC-DC Controller and Regulator | - | - |
| Package | 16-SOIC | - | - |
| Switching Frequency | 500 | kHz | - |
| Operating Temperature | -40 to 125 | °C | - |
| Supply Voltage | 14 to 21 | V | - |
| Start-up Current | 100 | μA | - |
| RoHS Compliance | Yes | - | Compliant with ROHS3 |
Key Features
- Natural interleaving feature for phase management and compliance with light load efficiency standards.
- Dual-path fail-safe overvoltage protection (OVP) to prevent output overvoltage due to voltage sensing failures.
- Sensorless current shaping simplifies PCB layout and enhances efficiency.
- Surge-safe current limiting prevents MOSFET turn-on during surges and eliminates reverse recovery events in output rectifiers.
- Complete system-level protection including input undervoltage, output overvoltage, open loop, overload, soft start, phase fault detection, and thermal shutdown.
Applications
The UCC28061DR is widely used in various power supply applications, particularly where high efficiency and low noise are required. It is commonly implemented in power supplies for gaming consoles, set-top boxes, and home audio systems. Additionally, it is suitable for use in LCD, plasma, and DLP televisions, as well as in adapters for consumer electronics. Its robust protection features and efficient power management make it an excellent choice for ensuring reliable and stable operation in these applications.
Q & A
What is the operating temperature range of the UCC28061DR?
The UCC28061DR operates within a temperature range of -40°C to 125°C.
What is the switching frequency of the UCC28061DR?
The switching frequency is 500 kHz.
Does the UCC28061DR support RoHS compliance?
Yes, the UCC28061DR is compliant with ROHS3 standards.
What type of package does the UCC28061DR come in?
It comes in a 16-SOIC package.
What are the key features of the UCC28061DR?
Key features include natural interleaving, dual-path fail-safe OVP, sensorless current shaping, and complete system-level protection.
What is the supply voltage range for the UCC28061DR?
The supply voltage ranges from 14V to 21V.
What applications is the UCC28061DR suitable for?
It is suitable for gaming consoles, set-top boxes, adapters, and home audio systems, among others.
What is the start-up current of the UCC28061DR?
The start-up current is 100 μA.
How does the UCC28061DR improve efficiency?
It uses natural interleaving and sensorless current shaping to enhance efficiency and simplify PCB layout.
What protections does the UCC28061DR offer?
It offers input undervoltage, output overvoltage, open loop, overload, soft start, phase fault detection, and thermal shutdown protections.
