UCC25630-2DDBT

The UCC25630-2DDBT 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 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 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 crucial for reducing energy waste and heat generation.

4. Low Standby Power: The UCC25630 features a low standby power consumption mode, which is essential for meeting energy efficiency standards and regulations, especially in consumer electronics.

5. Integrated Functions: The device includes several integrated functions such as a high-voltage startup circuit, a frequency jittering feature to reduce electromagnetic interference (EMI), and a built-in soft-start mechanism to limit inrush current during startup.

6. Protection Features: It incorporates various protection mechanisms, including over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown, ensuring reliable operation and safeguarding the power supply against faults.

7. Flexible Output Voltage Control: The UCC25630 allows for adjustable output voltage, which can be configured to meet the specific requirements of the application.

8. Package Type: The UCC25630-2DDBT is housed in a compact 16-pin HTQFP (Thin Quad Flat Package), which facilitates easy integration into space-constrained designs.

Applications:

The UCC25630-2DDBT is ideal for use in various applications, including:

• AC-DC power adapters
• Battery chargers
• LED drivers
• Industrial power supplies
• Telecom power supplies

Conclusion:

Overall, the UCC25630-2DDBT from Texas Instruments is a robust and efficient solution for designing resonant mode power supplies. Its combination of high efficiency, low standby power, and integrated protection features makes it a preferred choice for engineers looking to develop reliable and energy-efficient power supply systems.