ISL6271AEVAL1

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The ISL6271AEVAL1 evaluation board is a demonstration platform for evaluation and design-in applications of the ISL6271A off-line PWM controller IC. The evaluation board can be used to evaluate the features and performance of the ISL6271A controller IC, facilitate design-in, and demonstrate its application. The board consists of a buck topology with a controller IC and a switch to provide a complete off-line converter. This evaluation board is most commonly used in applications involving DC/DC and AC/DC (off-line) SMPS.

The ISL6271AEVAL1 evaluation board simplifies the evaluation of the ISL6271A controller IC. It allows the user to adjust and explore the range of operational parameters. A potentiometer is used to adjust the output voltage from ~ 0 V up to the board’s maximum rating of 40 V. All other adjustable components are clearly labeled for easy access and adjustment. The board also includes optional and protected components that can be removed and exchanged for alternative ICs,Schottky diodes, and MOSFETs according to the application design. Additionally, the board may also be used with any external power supply.

The separation of controller IC and MOSFET further reduces losses compared to integrated switch MOSFET solutions, which allows for higher efficiency designs. The core of the ISL6271AEVAL1 is formed around the ISL6271A controller IC which is used to drive an external N-channel MOSFET, culminating in a complete off-line buck converter. The high-voltage MOSFET is complemented by a freewheeling Schottky diode, siding with the added protection of a varistor and fuse.

The ISL6271AEVAL1 evaluation board features a wide operating input range of 8 V to 40 V, an adjustable output voltage of up to 40 V, a continuous output of 25 A, and an output ripple of < 120 mV. The board provides a wide range of operating parameters, allowing flexibility in applications to meet different design requirements. The evaluation board is suitable for a number of DC/DC and AC/DC (off-line) SMPS applications, such as alternate energy and solar, automotive, industrial, and telecom/computing.

The ISL6271AEVAL1 can be used to evaluate the features and performance of the ISL6271A controller IC in different design scenarios and demonstrate a wide range of application fields. This board can also be used to simplify designs and optimize efficiency in DC/DC and AC/DC (off-line) SMPS applications. It is a handy and cost-effective tool for designers to quickly evaluate the ISL6271A IC and design-in applications by using a complete, ready-to-use evaluation platform.

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