UCC25630-4DDBT

The UCC25630-4DDBT is a highly integrated, resonant mode power supply controller designed by Texas Instruments. It is specifically tailored for applications requiring high efficiency and low standby power consumption, making it suitable for a variety of power supply designs, including those used in adapters, chargers, and other power conversion systems.

Key Features:

1. Resonant Mode Control: The UCC25630 utilizes a resonant control scheme, which allows for soft switching of the power transistors. This minimizes switching losses and improves overall efficiency, particularly at light loads.

2. Wide Input Voltage Range: The device supports a broad input voltage range, typically from 85V to 265V AC, making it versatile for global applications.

3. High Efficiency: The controller is designed to achieve high efficiency across a wide load range, often exceeding 90% under optimal conditions. This is particularly beneficial for reducing energy consumption and heat generation.

4. Integrated Functions: The UCC25630 integrates several functions that simplify design and reduce component count. This includes features like a high-voltage startup circuit, a frequency jittering mechanism to reduce EMI, and built-in protection features such as over-voltage protection (OVP) and over-current protection (OCP).

5. Flexible Output Voltage Regulation: The controller can be configured to provide various output voltage levels, making it adaptable to different application requirements.

6. Low Standby Power: The UCC25630 is designed to minimize power consumption during standby mode, which is crucial for meeting energy efficiency standards and regulations.

7. Thermal Management: The device includes thermal protection features to prevent overheating, ensuring reliable operation under varying load conditions.

8. Package Type: The UCC25630-4DDBT comes in a compact 16-pin HTQFP (Thin Quad Flat Package), which is suitable for space-constrained applications.

Applications:

• AC-DC Power Supplies: Ideal for use in power adapters and chargers for consumer electronics.
• Telecommunications Equipment: Suitable for powering networking and communication devices.
• Industrial Power Supplies: Can be used in various industrial applications requiring efficient power conversion.

Conclusion:

The UCC25630-4DDBT from Texas Instruments is a robust and efficient solution for designing resonant mode power supplies. Its combination of high efficiency, integrated features, and flexibility makes it a popular choice among engineers looking to create reliable and energy-efficient power solutions.