UCC28740EVM-525

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The UCC28740EVM-525 is an industrial-grade evaluation board for DC/DC & AC/DC (Off-Line) SMPS, designed for use in harsh environments. It is a robust and reliable tool for power supply designers that need to rapidly assess their designs and measure performance metrics.

The UCC28740EVM-525 provides a complete design solution that requires minimal effort and time to set up for evaluation and testing. It has an adjustable input voltage level of 90V to 330V and an adjustable output voltage level of 5V to 25V, along with an adjustable output current rating of 0.2A to 2.2A. This flexibility makes the UCC28740EVM-525 suitable for a variety of applications.

The UCC28740EVM-525 evaluation board has a built-in protection system for short-term overvoltage, undervoltage, overload, and overcurrent. In addition, the board has a built-in Constant On-Time (COT) controller and a programmable soft start feature.

The main purpose of UCC28740EVM-525 evaluation board is to provide designers with a comprehensive system that can rapidly and easily assess their DC/DC & AC/DC (Off-Line) SMPS designs. The board helps design engineers to measure both static and dynamic performance metrics, such as efficiency, peak current, voltage ripple, line regulation and load regulation. It also permits an adjustable input voltage level from 90V to 330V, allowing the user to test their designs at different input voltages.

The UCC28740EVM-525 evaluation board features a powerful COT architecture that provides excellent line and load regulation, making it well suited for use in industrial applications. The circuit of the evaluation board is composed of an input section, output section (with optional COT control) and on-board diagnostic circuit. The board also has several diagnostic features, such as a built-in thermal protection circuit, open-circuit protection circuit, a fault indicator LED, and a voltage foldback circuit. The board also features an adjustable start-up delay of 25µs to 800ms, and an adjustable soft start time of 1µs to 15µs.

The UCC28740EVM-525 evaluation board is ideal for power supply designers who need maximum flexibility to assess their designs and verify parametric performance. It has a wide supply voltage range of 90V to 330V, providing users with the ability to test their designs in different input voltage environments. The board also features a powerful COT architecture, providing excellent regulation and transient response characteristics. Finally, the built-in safety and diagnostic features make the UCC28740EVM-525 an ideal evaluation platform for off-line power supplies.

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