UCC25630-2DDBR

The UCC25630-2DDBR is a highly integrated, resonant mode controller designed for use in power supply applications, particularly in isolated power converters. Manufactured by Texas Instruments, this device is part of the UCC25630 family, which is known for its efficiency and performance in driving resonant converters.

Key Features:

1. Resonant Mode Control: The UCC25630 utilizes a resonant control scheme that allows for zero-voltage switching (ZVS) of the power switches, which significantly reduces switching losses and improves overall efficiency. This is particularly beneficial in applications requiring high power density.

2. Integrated Functions: The controller integrates several functions that simplify design and reduce component count. This includes features like a high-voltage startup circuit, a voltage reference, and a frequency jittering mechanism to minimize electromagnetic interference (EMI).

3. Wide Input Voltage Range: The UCC25630 is designed to operate over a wide input voltage range, making it suitable for various applications, including industrial and consumer electronics.

4. Programmable Switching Frequency: The device allows for programmable switching frequency, which can be adjusted to optimize performance based on the specific requirements of the application.

5. Protection Features: It includes comprehensive protection features such as over-voltage protection (OVP), under-voltage lockout (UVLO), and thermal shutdown, ensuring reliable operation and safeguarding the power supply against fault conditions.

6. High Efficiency: The UCC25630 is optimized for high efficiency, often exceeding 90% in typical applications. This efficiency is crucial for reducing heat generation and improving the overall reliability of the power supply.

7. Package Type: The UCC25630-2DDBR comes in a 16-pin HTQFP (Thin Quad Flat Pack) package, which is compact and suitable for surface-mount technology (SMT). This package design helps in saving board space and facilitates easier thermal management.

8. Application Areas: This controller is ideal for applications such as AC-DC power supplies, DC-DC converters, and other power management systems where efficiency and compact design are critical.

Electrical Characteristics:

• Operating Temperature Range: The device typically operates within a temperature range of -40°C to +125°C, making it suitable for a variety of environmental conditions.
• Output Voltage Regulation: The UCC25630 provides precise output voltage regulation, which is essential for maintaining the performance of sensitive electronic devices.

Conclusion:

The UCC25630-2DDBR from Texas Instruments is a versatile and efficient resonant mode controller that is well-suited for modern power supply designs. Its combination of high efficiency, integrated features, and robust protection mechanisms makes it an excellent choice for engineers looking to develop reliable and compact power solutions.