The UCC3804N is a versatile and efficient pulse width modulation (PWM) controller from Texas Instruments, designed to drive power converters with precision and reliability. This advanced integrated circuit is part of TI's extensive range of power management solutions, engineered to meet the demands of a wide array of applications.

Key Features

• BiCMOS Technology: The UCC3804N combines Bipolar and CMOS technologies, resulting in a device that offers the speed of Bipolar with the low power consumption of CMOS.
• Low Start-Up Current: This controller boasts an impressively low start-up current of typically 0.5µA, making it suitable for battery-operated and energy-efficient designs.
• Current Mode Control: Current mode control provides inherent line feed-forward, cycle-by-cycle current limiting, and ease of loop compensation.
• High Efficiency: With its ability to operate at duty cycles ranging from 0 to 50%, the UCC3804N is capable of driving high-efficiency converters.
• Adjustable Output: The output can be programmed from 10 to 90% duty cycle, providing design flexibility across various applications.
• Trimmed Oscillator Discharge Current: This feature ensures consistent and reliable operation of the PWM, leading to stable frequency control over temperature and process variations.

Applications

The UCC3804N is ideal for a multitude of applications, including:

• DC to DC Converters
• Off-Line Power Supplies
• Telecommunication Systems
• Portable Devices
• Green Power Systems such as Solar Inverters and LED Lighting

Quality and Reliability

Texas Instruments is known for its commitment to quality and the UCC3804N is no exception. It is built to meet the rigorous standards of the industry, ensuring long-term reliability and performance in critical applications. Whether you are designing a power supply for consumer electronics or industrial systems, the UCC3804N provides a trusted solution for your PWM control needs.