ISL9108EVAL1Z

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The ISL9108EVAL1Z evaluation board is a platform used in the development of high-power DC-DC and AC-DC switch-mode power supply (SMPS) systems, offering a comprehensive set of features and a wide variety of output power levels. It is designed to support the ISL9108, the latest member of Intersil’s high-voltage family of integrated controllers for converter applications.

The ISL9108 is a highly integrated switch-mode power supply controller that combines high-side and low-side driver circuits into one package. It includes all the necessary protections for working with applications requiring either a 180V or 190V peak-to-peak input, and supports up to 15A of output current with 8.7V to 25V output voltage. The ISL9108EVAL1Z evaluation board offers a wealth of valuable design features, including synchronized, variable frequency operation, active peak current limiting, and adjustable average current limit.

The ISL9108EVAL1Z evaluation board also offers a comprehensive power solution for switching power applications, allowing designers to implement converters with an output voltage that ranges from 1.5V to 48V. It features integrated over-temperature protection to prevent power MOSFET thermal runaway, as well as under-voltage and over-voltage protection to prevent power cycling issues. Additionally, it includes programmable soft-start and pre-bias startup features, both of which can eliminate the need for a start-up circuit.

In terms of its operation, the ISL9108EVAL1Z evaluation board utilizes pulse-width modulation (PWM) to control the power supplied to the system. This is accomplished by the ISL9108 controller, which feeds a signal to the pulse-width modulator driver in order to determine how much current is being supplied to the power stage. This PWM control ensures that the power supplied is always within preset limits. It also allows the designer to vary the frequency of the switching in order to optimize the system for different components.

Additionally, the ISL9108EVAL1Z evaluation board includes a comprehensive set of analog and digital input/output capabilities which enable the designer to monitor the power supply’s operation and alter its performance. The board supports both analog and digital voltage and current monitoring, enabling the designer to monitor the input and output voltages of the power supply. Additionally, the board offers adjustment points for output voltage and current, allowing the designer to adjust the system’s performance to suit their needs.

Overall, the ISL9108EVAL1Z evaluation board is a great resource for designing high-power DC-DC and AC-DC switch-mode power supplies. It offers a wide range of output power levels and a comprehensive set of features, allowing designers to implement highly efficient and reliable power supplies. The board benefits from integrated over-temperature, under-voltage, and over-voltage protection, as well as programmable soft-start and pre-bias start-up features. Additionally, it includes comprehensive analog and digital input/output capabilities and supports pulse-width modulation (PWM) control for optimizing system performance. All of these features make the ISL9108EVAL1Z evaluation board a great choice for anyone looking to design a high-power switch-mode power supply system.

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