ISL9120IRA-EVZ

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The ISL9120IRA-EVZ evaluation board from Intersil helps engineers quickly and accurately assess and simulate various DC/DC synchronous buck SMPS applications. The ISL9120IRA-EVZ evaluation board is a complete DC/DC synchronous buck solution optimized for use with Intersil’s ISL9120IR, 1.2 A integrated synchronous buck regulator. This evaluation board provides an easy to use, useful platform for engineers to start evaluating, powering, and testing the ISL9120IR.

The ISL9120IR is an integrated synchronous buck regulator designed for high current DC/DC converter applications, such as notebook computer power, graphics cards, and disc drives, as well as high current voltage regulation on automotive OEM modules. The evaluation board is optimized for operation in the automotive temperature range of -40°C to +125°C, and allows easy process control and component selection. The board also enables the precise evaluation of the ISL9120IR’s output voltage accuracy, load transient response, switching frequency, and EMI performance. The board is designed for easy customization using the four 0402 resistor footprints.

The heart of the ISL9120IRA-EVZ evaluation board is the ISL9120IR integrated synchronous buck regulator, which provides impressive power efficiency and transient response performance. The ISL9120IR is a 1.2 A integrated synchronous buck regulator with an adjustable output voltage range from 0.8 V to VIN. It is also capable of delivering up to 0.9 A continuous current from a 36 V input source. The integrated synchronous buck regulator is implemented in a 48-lead NSOP package, and is ideal for space-limited applications.

The ISL9120IRA-EVZ evaluation board has a number of features that make it an ideal platform for assessment and simulation of different DC/DC synchronous buck SMPS applications. The board includes two capacitors for input and output voltage filtering, and all components are low profile (0603 or 0805 leveling) making the board easy to integrate into competing solutions. The output voltage of the ISL9120IR can be adjusted from 0.8 V to VIN with the onboard potentiometer and there are selectable current-limit thresholds that can be adjusted with the associated 0402 resistors. The board also includes EMI shields and an integrated shield for additional EMI performance.

The ISL9120IRA-EVZ evaluation board from Intersil provides a comprehensive platform to evaluate the performance of the ISL9120IR integrated synchronous buck regulator in a wide range of DC/DC synchronous buck SMPS application. The evaluation board allows precise evaluation of output voltage accuracy, load transient response, switching frequency, and EMI performance. The evaluation board is also designed for easy customization with the four 0402 resistor footprints. The complete DC/DC synchronous buck solution optimized for use with Intersil’s ISL9120IR provides an easy to use platform for evaluating and powering the device.

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