The UCC28083P from Texas Instruments is a versatile and robust integrated circuit designed for power supply applications. This advanced BiCMOS push-pull, high-speed, low-power, pulse-width modulator (PWM) controller exhibits improved performance with a variety of features making it an excellent choice for a wide range of power conversion applications.

Key Features

• Push-Pull Architecture: The UCC28083P operates with a push-pull control scheme that provides a symmetrical drive output, reducing electromagnetic interference (EMI) and improving efficiency.
• Dual Alternating Outputs: It features dual alternating PWM outputs that ensure balanced power delivery and minimize stress on power components.
• Wide Supply Voltage Range: This device is designed to operate over a wide supply voltage range, accommodating various applications and ensuring consistent performance across different power levels.
• Programmable Dead-Time: Users can set the dead-time between the two outputs, optimizing the overlap and non-overlap intervals to suit specific circuit requirements and to enhance efficiency.
• Internal Soft-Start: The UCC28083P incorporates an internal soft-start function that gradually ramps up the output voltage, minimizing start-up stress and extending the lifespan of the power supply components.
• Frequency Jittering: It includes frequency jittering which helps in reducing EMI by spreading the energy over a wider frequency band.
• Low Startup and Operating Current: The device is designed with low startup and operating currents, which contribute to a lower overall power consumption.

Applications

The UCC28083P is suitable for a range of applications including:

• AC-DC converters
• Isolated and non-isolated power supplies
• DC-DC converters
• Offline power supplies
• Telecommunication equipment power supplies
• Industrial power systems

With its combination of features, the UCC28083P enhances the performance and reliability of power systems, making it an ideal choice for designers looking for an efficient and flexible PWM controller.