Product Overview: Texas Instruments UCC2808D-1

The UCC2808D-1 from Texas Instruments is a versatile and efficient low-power biCMOS current-mode pulse-width modulator (PWM) controller. This device is designed for high-frequency switched-mode power supply applications, offering precise control and robust features to ensure stable and reliable operation.

Key Features

• Low Start-Up and Operating Current: The UCC2808D-1 boasts an ultra-low start-up current of 0.5 µA and a low operating current of 3.5 mA, making it an excellent choice for power-sensitive applications.
• High-Frequency Operation: With the ability to operate at frequencies up to 1 MHz, this controller enables the design of power supplies with smaller components, resulting in compact and lightweight solutions.
• Advanced Current Mode Control: The current mode control provides fast response to load transients and excellent loop stability, ensuring consistent performance under varying conditions.
• Programmable Soft Start: This feature limits inrush current during start-up, providing a controlled power-up sequence and reducing stress on the power supply components.
• Drive Capability: The UCC2808D-1 can directly drive a power MOSFET or IGBT, simplifying the design and reducing external component count.

Applications

Thanks to its high-frequency operation and robust feature set, the UCC2808D-1 is ideal for a wide range of applications, including:

• DC-DC Converters
• Off-Line Power Supplies
• Telecom Power Supplies
• Portable Power Devices
• Point of Load Power Supplies

Package and Quality

The UCC2808D-1 is available in a small-outline integrated circuit (SOIC) package, which is suitable for space-constrained applications. Texas Instruments is known for its commitment to quality and reliability, and this product is no exception. It is designed and manufactured to meet the highest industry standards, ensuring long-term performance in a variety of settings.