ISL6405ER-T

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ISL6405ER-T is a 3-Phase Voltage Regulator Module (VRM) that is used as an integrated power solution for high performance server systems. It is a high-efficiency, cost-effective solution that provides output voltage combinations of 0.75 - 1.05V and 1.2 - 2.5V. This particular device is designed to provide a high range of voltage, power density and transient performance with excellent thermal performance. It also allows for a wide voltage range, precision voltage accuracy and remote sensing features.

Application Field

ISL6405ER-T is most often used in rackmount server systems and multi-processor systems. It is designed to meet the needs of computing systems that require multiple processor loads, including multi-core CPUs, and high-end graphics processors. The device has been designed to provide high efficiency, and power density with excellent thermal performance. It is also capable of handling transient currents that exceed 120 A.

The device is also suitable for use in enterprise servers, datacenters, and virtualized servers, as well as medical and industrial systems where voltage regulation is required. It is suitable for a wide range of applications including telecommunications and data centers. Furthermore, it is able to provide superior power efficiency and temperature performance in extreme environments.

Working Principle

The ISL6405ER-T is a three-phase voltage regulator module (VRM) is designed to regulate the output voltage over a wide range of input voltages. It is capable of efficiently working at conditions of high voltage, high current, and high temperature. The device implements a three-phase voltage regulation solution with integrated pulse-width modulation (PWM) control. The device integrates three external-voltage sense resistors and three current-sense resistors to monitor the output voltage and current of each of the three voltage rails.

The on-chip controller provides voltage regulation and multiple-current monitor features. This allows the ISL6405ER-T to monitor the load current for each of the three rails. It also provides protection against overcurrent and overvoltage conditions. It can also be used to provide a three-phase VRM solution that is compliant with Intel VR12 and AMD ASB2 standards.

The ISL6405ER-T utilises an integrated system-on-chip architecture to improve power regulation and power efficiency. It also provides adjustable frequency operation and uses an integrated switching MOSFET to minimize the amount of current that flows into the output. Additionally, it supports a wide input voltage range of 0.75 to 5.5 V and a wide output voltage range of 0.5 to 3.5 V.

The device also supports enhanced transient and load line performance. It features dynamic loop compensation, which enables it to adjust the output voltage and current quickly, even under transient conditions. This helps to ensure that the voltage rails remain stable in the event of abrupt changes in load conditions.

The ISL6405ER-T also has an integrated thermal protection mechanism. This feature helps to protect the device and the system from thermal overload. Additionally, it is constructed with low RDS(on) MOSFETs, which enable the device to achieve high power conversions with low power dissipation.

Conclusion

ISL6405ER-T is an integrated voltage regulator module (VRM) specifically designed for high performance server systems, such as enterprise servers and datacenters. It features a three-phase VRM architecture with integrated pulse-width modulation, dynamic loop compensation, and integrated thermal protection. The device is able to provide high voltage, power density, and transient performance with excellent thermal performance. It is also capable of handling transient currents of up to 120 A. Overall, ISL6405ER-T is an excellent solution for computer systems that require multiple processor loads and high-end graphics processors.

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