Overview
The UCC28061D, manufactured by Texas Instruments, is a highly efficient AC-DC controller and regulator designed for power factor correction (PFC) applications. This model is optimized for consumer applications where audible noise elimination is critical, extending the benefits of transition mode efficiency with low-cost components to higher power ratings. The UCC28061D features natural interleaving technology, which ensures strong matching, faster response times, and operation in transition mode for each channel. It is housed in a 16-SOIC package and offers comprehensive system-level protection features, making it a reliable choice for various power management applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Manufacturer | Texas Instruments | - | - |
| Model | UCC28061D | - | - |
| Category | AC-DC Controller and Regulator | - | - |
| Package | 16-SOIC | - | - |
| Switching Frequency | 500 | kHz | - |
| Start-up Current | 100 | µA | - |
| Supply Voltage | 14 - 21 | V | - |
| Operating Temperature | -40 to 125 | °C | - |
| Mounting Type | Surface Mount | - | - |
Key Features
- Natural Interleaving Technology for improved phase management and efficiency.
- Comprehensive system-level protection including input undervoltage, output overvoltage, open loop, overload, soft start, phase fault detection, and thermal shutdown.
- FailSafe overvoltage protection (OVP) to prevent catastrophic device failures.
- Designed for applications requiring audible noise elimination.
- Enables use of low-cost components while maintaining high efficiency.
Applications
The UCC28061D is suitable for a wide range of applications, particularly in power supplies for consumer electronics, industrial equipment, and telecommunications. Its robust design and protection features make it ideal for systems requiring reliable power factor correction and high efficiency. Specific applications include power supplies for LCD, plasma, and DLP televisions, home audio systems, and adapters for gaming consoles and set-top boxes.
Q & A
What is the primary function of the UCC28061D?
The UCC28061D is primarily used for power factor correction in AC-DC power supplies, enhancing efficiency and reducing audible noise in consumer electronics.
What are the key protection features of the UCC28061D?
It includes input undervoltage, output overvoltage, open loop, overload, soft start, phase fault detection, and thermal shutdown protections.
How does natural interleaving technology benefit the UCC28061D?
This technology ensures that both channels operate synchronously at the same frequency, providing strong matching, faster response, and ensuring each channel operates in transition mode.
What is the operating temperature range of the UCC28061D?
It operates within a temperature range of -40°C to 125°C.
Can the UCC28061D be used in automotive applications?
While the UCC28061D is optimized for consumer applications, its robust design may be suitable for certain automotive power management systems, though specific automotive-grade variants like the UCC28061QDRQ1 are recommended for such applications.
What is the significance of the FailSafe OVP feature?
The FailSafe OVP prevents potential catastrophic failures by protecting against shorts to intermediate voltages that might otherwise go undetected.
What type of package does the UCC28061D come in?
It is available in a 16-SOIC package.
What is the switching frequency of the UCC28061D?
The switching frequency is 500 kHz.
Is the UCC28061D suitable for high-power applications?
Yes, it is designed to extend the benefits of transition mode efficiency to higher power ratings than previously possible with low-cost components.
How does the UCC28061D improve system reliability?
By reducing capacitor ripple current and incorporating comprehensive protection features, it enhances the overall reliability and efficiency of the power supply system.
