Overview
The UCC28C45DGK is a high-performance current-mode PWM controller produced by Texas Instruments. Designed for power supply applications, this IC offers advanced features and robust performance, making it suitable for a wide range of switching power supply designs. The UCC28C45DGK is particularly well-suited for industrial, automotive, and consumer electronics applications where efficiency, reliability, and compact design are critical. Its unique selling points include its wide input voltage range, precise control, and integrated protection features, which enhance system reliability and performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 7.6 to 20 | V | |
| Switching Frequency | Up to 1 | MHz | Adjustable |
| Output Current | ±1 | A | Peak output current |
| Operating Temperature | -40 to 125 | °C | |
| Package | VSSOP-8 | DGK package | |
| Control Mode | Current Mode | ||
| Protection Features | Overcurrent, Overvoltage, Undervoltage Lockout |
Key Features
- High-frequency operation up to 1 MHz for compact power supply designs.
- Current-mode control for improved transient response and stability.
- Integrated protection features including overcurrent, overvoltage, and undervoltage lockout.
- Wide input voltage range (7.6V to 20V) for versatile applications.
- Available in a compact VSSOP-8 package for space-constrained designs.
Applications
The UCC28C45DGK is widely used in various power supply applications, including:
- Industrial Power Supplies: Provides reliable and efficient power conversion for industrial equipment.
- Automotive Electronics: Ensures stable power delivery in automotive systems, meeting stringent reliability standards.
- Consumer Electronics: Supports compact and efficient power supply designs for devices such as adapters and chargers.
- Telecommunications: Ideal for powering telecom infrastructure with its high-frequency operation and robust performance.
Q & A
1. What is the input voltage range of the UCC28C45DGK?
The input voltage range is 7.6V to 20V.
2. What is the maximum switching frequency supported by this IC?
The UCC28C45DGK supports a switching frequency of up to 1 MHz.
3. What protection features are integrated into the UCC28C45DGK?
It includes overcurrent, overvoltage, and undervoltage lockout protection.
4. What is the operating temperature range of this IC?
The operating temperature range is -40°C to 125°C.
5. What package does the UCC28C45DGK come in?
It is available in a VSSOP-8 package.
6. Is the UCC28C45DGK suitable for automotive applications?
Yes, it is designed to meet the reliability requirements of automotive electronics.
7. Can this IC be used in high-frequency power supply designs?
Yes, its high-frequency operation up to 1 MHz makes it ideal for compact power supply designs.
8. What type of control mode does the UCC28C45DGK use?
It uses current-mode control for improved transient response and stability.
9. What is the peak output current of the UCC28C45DGK?
The peak output current is ±1A.
10. Is the UCC28C45DGK suitable for industrial applications?
Yes, it is widely used in industrial power supplies due to its reliability and efficiency.
