ISL85005EVAL1Z

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The ISL85005EVAL1Z is an evaluation board for dc/dc applications, as well as AC/DC (off-line) SMPS, created by the renowned Intersil company. It has a wide range of potential uses, including energy efficient operations, research and development, as well as educational purposes. With its large output current of up to 5A, this board is ideal for a variety of medium-power applications.

The board is extremely easy to use, with its integrated display of all settings and power measurements, and its extensive diagnostic capabilities. It also allows for flexible output voltage settings and wide input/output ranges. As well as this, the board also offers easily controlled adjustments for ripple and noise, transient response, load regulation, and start-up times.

The main application field for the ISL85005EVAL1Z is in DC/DC and AC/DC switching power supplies and other technologies that enable high efficiency transformers. It is specifically designed to demonstrate, evaluate, and develop new products, and to provide an analysis of their use. Furthermore, its applications span from telecommunications to PV inverters, Uninterruptible Power Supplies (UPS), LED lighting, and many others.

At the core of the ISL85005EVAL1Z evaluation board is a versatile and efficient hybrid controller that is specifically designed to facilitate low budget, as well as high performance SMPS designs. It utilizes a constant on-time (COT) architecture which enables high switching frequency, and is divided into three sections; hybrid controller, high and low side drivers, and a bootstrap diode.

The hybrid controller is capable of both regulating a fixed 5A current and also delivering the pulse width modulation (PWM) signals that are required by the low-side and high-side drivers. It is powered by a single MOSFET and is able to drive both higher and lower currents. In addition, it can control both variable and fixed output voltages and can control up to 8A in parallel.

The low-side and high-side drivers provide additional control and protection features, and are designed to drive the MOSFETs and load components. Their PWM frequency is adjustable from 4kHz to 40kHz, and they are designed to support up to 9A peak power.

Finally, the bootstrap diode provides a voltage boost to the gate of the MOSFET, so that it can switch from ON to OFF state, thus ensuring that the SMPS works properly and efficiently. This diode also acts as a blocking diode, and has a Recovery Voltage (Vr) of 0.5V to 0.8V.

In summary, the ISL85005EVAL1Z is an extremely versatile board that can be used in a variety of applications and is perfect for researching and developing new products. It can provide a powerful and efficient means of power conversion, as well as reliable protection and control features, in even the most challenging of applications. With its efficient hybrid controller, low-side and high-side drivers, and bootstrap diode, this board offers an easy-to-use solution for any evaluation or development project.

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