UCC28250EVM-501

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The UCC28250EVM-501 evaluation board is a part of Texas Instruments\' family of evaluation boards for DC/DC & AC/DC (Off-Line) SMPS. This board was designed to evaluate the performance of the UCC28250 devices. This type of board is extremely useful for engineers to evaluate the performance of their design before moving to a larger, custom PCB; allowing them to work through possible issues and verify peak performance of their design before investing the resources into producing a larger board.

The UCC28250 device is a high-voltage, fixed frequency current mode PWM controller. It is designed to provide precise voltage regulation for off-line flyback converters and SEPIC converters without the need for a specialized IC. The device integrates a slew rate limit circuit which protects the circuit from transient voltage overshoots, allowing for improved voltage regulation and a simpler design process. The device includes an internal oscillator with an adjustable frequency between 60 kHz and 600 kHz, allowing it to be optimized for a variety of applications.

The UCC28250EVM-501 board includes all the components required to evaluate the performance of the UCC28250 device. It includes four test points, allowing the user to measure the input voltage, output voltage, and power. It also includes two output resistors, allowing the user to easily measure the output current. The board also comes with on-board start-up capacitors, allowing the user to power the board without the need for a separate power supply. The board includes an optional output overvoltage/undervoltage monitoring circuit, allowing it to easily shut down when an output voltage overshoot occurs.

The UCC28250EVM-501 board can be used for a variety of applications, such as off-line adapters, motor drives, and lighting control. It can be used in a wide range of input voltage levels, from 12V to 400V, and provides an adjustable output voltage range of 0-36V. The board can operate with a wide range of load currents, from 0-3A. The frequency of the board can also be adjusted, allowing it to be optimized for different application requirements.

The UCC28250EVM-501 board is a great choice for engineers who are looking to evaluate their design before investing in more expensive hardware. It provides a way to quickly evaluate the performance of the UCC28250 device, allowing designers to tweak their design before committing to a full-size PCB. The board also provides the user with a wide range of options for input and output voltages, allowing it to be optimized for a variety of applications. Finally, the board includes monitoring circuits and adjustable frequency settings, allowing the user to further optimize the performance of their design.

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