Product Overview: UCC2804DR81221G4

The UCC2804DR81221G4 is a high-performance, low-power, BiCMOS current-mode Pulse Width Modulation (PWM) controller from Texas Instruments. It is designed to provide a robust and efficient solution for power supply applications, particularly those requiring a compact and energy-efficient design.

Key Features

• Low Startup and Operating Current: This controller is optimized for low power consumption, with a startup current of typically 0.1µA and an operating current of 2.5mA, making it ideal for battery-operated and energy-saving applications.
• High-Frequency Operation: The UCC2804DR81221G4 can operate at frequencies up to 1MHz, allowing for smaller external components and reduced system size and cost.
• Current Mode Control: The current mode control provides inherent line feed-forward, cycle-by-cycle current limiting, and ease of loop compensation.
• Trimmed Oscillator Discharge Current: This feature helps in achieving a consistent and precise frequency control over temperature and power supply variations.
• Automatic Feed Forward Compensation: The device includes feed forward compensation to maintain stable operation under varying input voltage conditions.
• Soft Start: The UCC2804DR81221G4 incorporates a soft start function to minimize stress on the power supply during startup.

Applications

The UCC2804DR81221G4 is suitable for a variety of applications, including:

• DC/DC Converters
• Off-Line Power Supplies
• Portable Devices
• Telecommunication Equipment
• Green Electronics/Appliances
• Point of Load Regulation

Quality and Reliability

Texas Instruments is known for its commitment to quality and reliability, and the UCC2804DR81221G4 is no exception. It is available in a slim 8-pin SOIC package and is specified for a temperature range of -40°C to 105°C, ensuring reliable performance in a wide range of environments and applications.

Ordering Information

For detailed product information, availability, and ordering, customers can visit the Texas Instruments website or contact their local sales office. The UCC2804DR81221G4 is available for immediate purchase and can be ordered using its unique product number to ensure the correct configuration and packaging.