XRP6658EVB

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The XRP6658EVB is one of the most popular evaluation boards for DC/DC & AC/DC (Off-Line) SMPS. It features a wide input voltage range suitable for most DC/DC & AC/DC applications. In addition, it is equipped with an adjustable output voltage, adjustable average and peak currents and adjustable frequency.

The XRP6658EVB main functions include:

• Current mode boost and flyback topologies (under and over regulation mode)
• Integrated high voltage start-up
• Low output ripple voltage
• Integrated short circuit protection
• Efficient operation in all load current conditions
• Accurate output voltage control

The XRP6658EVB includes a step-down integrated circuit that is used as the primary stage of the converter and is configured as a PWM (pulse width modulation) current mode boost converter. The primary stage of this converter draws a minimum amount of current from the input to maintain the output voltage in the range provided by the datasheet.

The device also includes an alternating current mode control circuit implemented as a zero current crossing (ZC) architecture. This provides fast response to the control signal and precise regulation of the output voltage. The ZC architecture also helps prevent “glitches” in the output voltage during load and line transient conditions.

The XRP6658EVB includes several other features such as a programmable current limit, overvoltage protection and thermal shutdown. The device also offers an adjustable frequency range to optimize the performance of the converter for different applications.

The XRP6658EVB is designed to accommodate a wide variety of converters, from low-power DC/DC, AC/DC (off-line) SMPS to high-power systems. It can also be used to evaluate various topologies, from current mode boost and flyback to push-pull designs. The board allows designers to rapidly evaluate a converter without having to build a prototype, making it an ideal solution for product development and evaluation.

In conclusion, the XRP6658EVB evaluation board is an excellent choice for designers in need of a cost-effective solution for evaluating DC/DC & AC/DC (Off-Line) SMPS. Its wide input voltage range and adjustable output voltage, average and peak currents, adjustable frequency and other features make it suitable for a variety of applications. In short, it is a powerful tool to rapidly evaluate the performance of an SMPS.

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