Overview
The UCC28061DRG4 is a highly efficient, natural interleaving transition mode power factor correction (PFC) controller manufactured by Texas Instruments. Designed for consumer applications requiring improved audible noise performance, this AC-DC controller extends the benefits of transition mode efficiency to higher power ratings. It targets applications such as power supplies, industrial equipment, and consumer electronics, offering a cost-effective solution with enhanced system reliability and performance. Its unique selling points include natural interleaving technology, comprehensive system protection features, and improved efficiency compared to traditional single-phase continuous conduction mode (CCM) designs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 85 - 265 | VAC | |
| Output Voltage | 400 | VDC | |
| Switching Frequency | 500 | kHz | |
| Operating Temperature | -40 to +125 | °C | |
| Supply Voltage | 14 - 21 | V | |
| Startup Current | 100 | µA | |
| Package | 16-SOIC | 3.90mm wide |
Key Features
- Natural Interleaving Technology: Synchronizes multiple phases to reduce EMI and improve efficiency.
- Comprehensive System Protection: Includes input undervoltage, output overvoltage, open-loop, overload, and thermal shutdown protection.
- FailSafe Overvoltage Protection (OVP): Prevents catastrophic failures due to voltage sensing faults.
- Improved Audible Noise Performance: Enhances user experience in noise-sensitive applications.
- Soft Start and Phase Management: Ensures smooth operation and compliance with efficiency standards.
Applications
The UCC28061DRG4 is widely used in applications requiring efficient power factor correction and low audible noise. Key application areas include:
- Power Supplies: Provides high efficiency and reliability in AC-DC power conversion.
- Industrial Equipment: Ensures stable operation in demanding environments.
- Consumer Electronics: Enhances performance in noise-sensitive devices such as audio systems and televisions.
Q & A
1. What is the input voltage range of the UCC28061DRG4?
The input voltage range is 85 to 265 VAC.
2. What is the switching frequency of this controller?
The switching frequency is 500 kHz.
3. What protection features are included?
It includes input undervoltage, output overvoltage, open-loop, overload, and thermal shutdown protection.
4. What is the operating temperature range?
The operating temperature range is -40 to +125 °C.
5. What is the purpose of natural interleaving technology?
It synchronizes multiple phases to reduce EMI and improve efficiency.
6. Can this controller handle high power ratings?
Yes, it is designed for applications up to 600W.
7. What is the output voltage capability?
It supports an output voltage of 400 VDC.
8. What is the package type?
It comes in a 16-SOIC package.
9. Does it support soft start functionality?
Yes, it includes soft start and phase management features.
10. Is this controller suitable for consumer electronics?
Yes, it is ideal for noise-sensitive consumer electronics applications.
