ISL6323BIRZR5381

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The ISL6323BIRZR5381 is a special-purpose voltage regulator from Intersil Corporation. It is a high-performance, monolithic, 3-phase interleaved synchronous buck power supply controller. The controller includes all the necessary features to create a voltage regulator that is flexible and easily configurable for various output voltages and currents.

The ISL6323BIRZR5381 is designed for a wide variety of applications such as server and telecom systems, point of load (PoL) supplies, computer and peripheral supplies, ASIC/FGPAs, system power supplies and more. Its features include 3-phase interleaved PWM, adjustable deadtime and output voltage setting, integrated MOSFETs, integrated bootstrap capacitors, current/power limit protection, synchronous rectification, Precision power supply current sensing, and over-temperature protection.

The controller manages the power supply rail voltage by using multiple, programmable Pulse Width Modulation (PWM) phases. The pulse widths of the phases are interleaved to minimize the voltage ripple. Three internal high-side power MOSFETs with integrated bootstrap capabilities are included to simplify the power components and decrease the cost and space savings.

The integral current sensing scheme of the ISL6323BIRZR5381 allows for simple power regulation. The controller provides adjustable output power limit, adjustable current limit, and programmable output voltage levels. Additionally, the device has adjustable dead time, so the switching transitions of the power MOSFETs can be optimized for higher efficiency.

The ISL6323BIRZR5381 also has an integrated temperature protection feature that ensures that the voltage regulator is operating within a safe temperature range and can quickly react to thermal conditions, avoiding thermal problems.

In summary, the ISL6323BIRZR5381 is a high performance and economical voltage regulator designed for a broad range of applications. With its ability to be easily configured for different output voltages, integrated MOSFETs, adjustable dead time, and current/power limit protection features, this voltage regulator is an ideal solution for a variety of voltage regulation needs.

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