Overview
The UCC28C45P is a high-performance current-mode PWM controller produced by Unitrode, a subsidiary of Texas Instruments. This electronic component is designed for power supply applications, offering precise control and high efficiency. It is widely used in various industries, including telecommunications, industrial automation, and consumer electronics. The UCC28C45P stands out for its robust design, versatility, and ability to operate in challenging environments, making it a preferred choice for engineers and designers seeking reliable power management solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 8.4 to 16 | V | Wide operating range |
| Switching Frequency | Up to 1 | MHz | High-frequency operation |
| Output Current | 1 | A | Peak output current |
| Operating Temperature | -40 to 85 | °C | Industrial-grade |
| Package | PDIP-8 | - | Standard package |
Key Features
- Current-mode control for improved transient response and simplified loop compensation.
- Built-in under-voltage lockout (UVLO) for reliable start-up and shutdown.
- Adjustable switching frequency for flexible design optimization.
- Integrated error amplifier for enhanced precision and stability.
- Low power consumption for energy-efficient applications.
Applications
The UCC28C45P is ideal for a wide range of applications, including AC/DC converters, DC/DC converters, and offline power supplies. Its robust design and high efficiency make it suitable for use in telecommunications equipment, industrial control systems, and consumer electronics. Additionally, its ability to operate in extreme temperatures and harsh environments ensures reliable performance in automotive and aerospace applications.
Q & A
1. What is the input voltage range of the UCC28C45P?
The input voltage range is 8.4 to 16 volts.
2. What is the maximum switching frequency supported?
It supports a maximum switching frequency of up to 1 MHz.
3. What package does the UCC28C45P come in?
It is available in a PDIP-8 package.
4. Is the UCC28C45P suitable for industrial applications?
Yes, it is designed to operate in industrial environments with a temperature range of -40 to 85°C.
5. Does it include under-voltage lockout (UVLO) protection?
Yes, it features built-in UVLO for reliable start-up and shutdown.
6. Can the switching frequency be adjusted?
Yes, the switching frequency is adjustable for design flexibility.
7. What is the peak output current of the UCC28C45P?
The peak output current is 1 ampere.
8. Is it suitable for automotive applications?
Yes, its robust design makes it suitable for automotive and aerospace applications.
9. Does it include an error amplifier?
Yes, it has an integrated error amplifier for enhanced precision.
10. What are the key advantages of using the UCC28C45P?
Its key advantages include high efficiency, precise control, and versatility in various applications.
