ISL85418EVAL1Z

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The ISL85418EVAL1Z evaluation board can be used to evaluate the performance of a wide variety of AC/DC and DC/DC converters, enabling designers to develop and test new topologies and architectures for their applications. It is a complete evaluation board for the ISL85418 dual-phase buck regulator, featuring two synchronous buck converter outputs each capable of delivering up to 8 A. The power stage of the evaluation board is comprised of two high performance buck-topology power converters each providing two low-quiescent current, high-current outputs for 5.2 V and 12 V applications. Additionally, the board contains a set of voltage feedback features, a programmable soft start option, and a comprehensive monitoring and protection system.

The ISL85418EVAL1Z evaluation board provides a wealth of features such as differential input sensing, internal compensation, adjustable output voltage, adjustable current limit, over-voltage protection, over-temperature protection, and short circuit protection. The evaluation board also includes a variety of test points and can be configured for a wide variety of applications, such as automotive, industrial, LED lighting, audio/video, and communications. The evaluation board can also be used for evaluation and development of circuits utilizing the ISL85418 dual-phase buck regulator.

The working principle of the ISL85418EVAL1Z evaluation board is based on the principle of buck-topology power converters. This type of converter is ideally suited for applications requiring high efficiency, low noise, and low switch voltage drops. The main components of the ISL85418EVAL1Z include two power transistors, two MOSFETs, two current sense resistors, a bootstrap diode, and a soft start circuit. The power transistors are used as the main switching elements of the buck regulators. The two MOSFETs serve as the boost drivers, while the current sense resistors provide current protection. The bootstrap diode provides the charge to the gate of the switching transistors. The soft start circuit is used to ramp up the output voltage slowly to reduce inrush current draw and improve the system’s overall performance.

The primary advantage of using the ISL85418EVAL1Z evaluation board is that it allows designers to easily evaluate the performance of various topologies and architectures before committing to the design of a new product. The evaluation board contains a comprehensive set of features and monitoring options, making it easy to configure for a wide range of applications. Additionally, the board features an adjustable current limit and a comprehensive monitoring and protection system, allowing designers to ensure their design is robust and reliable in any operating environment.

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