UCC25630-3DDBR

The UCC25630-3DDBR is a highly integrated, resonant mode power supply controller from Texas Instruments, designed for use in applications requiring high efficiency and compact size. This device is particularly suited for isolated power supplies, such as those found in telecommunications, industrial, and consumer electronics.

Key Features:

1. Resonant Mode Control: The UCC25630 utilizes a quasi-resonant control scheme, which helps to minimize switching losses and improve overall efficiency. This is particularly beneficial in applications where energy efficiency is critical.

2. Wide Input Voltage Range: The controller supports a broad input voltage range, typically from 85V to 265V AC, making it suitable for various global power standards.

3. High Efficiency: The device is designed to achieve high efficiency across a wide load range, often exceeding 90%. This is achieved through its advanced control algorithms and resonant operation.

4. Integrated Features: The UCC25630 includes several integrated features such as:

   • Startup and Soft-Start Control: This ensures smooth power-up and minimizes inrush current.
   • Frequency Jittering: This feature helps to reduce electromagnetic interference (EMI) by spreading the frequency spectrum of the switching operation.
   • Overvoltage and Overcurrent Protection: Built-in protection mechanisms safeguard the power supply against fault conditions.

5. Compact Package: The UCC25630-3DDBR comes in a small, thermally efficient 16-pin HTQFP (Thin Quad Flat Package), which aids in space-saving designs and enhances thermal performance.

6. Programmable Output Voltage: The output voltage can be easily adjusted through external resistors, allowing for flexibility in design.

7. High-Performance PWM Control: The device features a high-performance pulse-width modulation (PWM) control scheme that optimizes the switching frequency based on load conditions, further enhancing efficiency.

8. Enhanced Load Regulation: The UCC25630 provides excellent load regulation, ensuring stable output voltage even with varying load conditions.

Applications:

The UCC25630-3DDBR is ideal for a variety of applications, including:

• Isolated DC-DC converters
• Power supplies for LED drivers
• Industrial power supplies
• Telecom power systems
• Consumer electronics

Conclusion:

In summary, the UCC25630-3DDBR from Texas Instruments is a versatile and efficient power supply controller that leverages resonant mode technology to deliver high performance in compact designs. Its combination of integrated features, protection mechanisms, and flexibility makes it a strong choice for engineers looking to develop reliable and efficient power supply solutions.