The UCC2800DTRG4 is a low-power, high-performance, BiCMOS current-mode PWM controller from Texas Instruments. This advanced device is designed to cater to a wide range of power supply applications, providing an efficient solution for switch-mode power supplies. It is a member of the industry-leading UCC28C series, known for their reliability and versatility in power management tasks.

Key Features

• Current-Mode Control: The device uses current-mode control to provide fast response to load changes and inherent line feed-forward for superior line regulation.
• Wide Supply Voltage Range: It operates from a 4.5V to 18V supply, making it suitable for various applications, from low-voltage to high-voltage systems.
• Low Start-Up and Operating Current: The UCC2800DTRG4 boasts a low start-up current of 100µA and a low operating current of 1.5mA, enhancing the efficiency of the overall system.
• Frequency Flexibility: With a programmable oscillator frequency range from 100kHz to 1MHz, designers can optimize the performance of their power supply.
• High Peak Current Drive Capability: The output stage features a high peak current drive capability of ±1A, which is suitable for driving a power MOSFET or IGBT directly.
• Trimmed Oscillator Discharge Current: This helps in achieving a consistent and accurate duty cycle limit across the entire operating temperature range.
• Soft Start: The soft-start feature limits inrush current during start-up, reducing stress on the power supply components.

Applications

The UCC2800DTRG4 is ideal for a variety of applications, including but not limited to, off-line power supplies, DC-DC converters, power inverters, battery chargers, and LED drivers. Its robust design ensures reliable operation in environments requiring high-performance power conversion.

Package and Availability

This device is available in a small-outline integrated circuit (SOIC) package, which is suitable for space-constrained applications. The UCC2800DTRG4 is also available in tape and reel packaging for use in automated manufacturing environments, ensuring ease of integration and scalability for mass production.