ISL9000AIRMGZ

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The ISL9000AIRMGZ is a versatile power device specialized for applications such as microprocessors, FPGAs, & ASICs. It is a linear voltage regulator that offers comprehensive features such as power sequencing, over-current protection, synchronization, and thermal protection. This 4 channel IC operates on a variety of voltage levels and is designed with a range of features that enable high accuracy and speed.

Application Field

The ISL9000AIRMGZ is used to provide power to resource-constrained microelectronic devices, such as microprocessors, FPGAs, and ASICs. It is well-suited for devices that require a precisely regulated voltage from a low current source. This IC offers a dynamic voltage control range, which is able to set the output voltage to any value within the input voltage range. This feature allows it to meet the strict accuracy and reliability requirements of efficient power management systems.

The device is also used to provide precise power sequencing for the reliable performance of devices and systems. It includes five digital inputs, which can be programmatically configured in order to manage and control the start-up and shut-down of power rails. This greatly reduces the complexity of traditional power sequencing designs, allowing multiple power rails to be precisely controlled and synchronized.

Working Principle

The ISL9000AIRMGZ is a voltage regulator that utilizes a differential amplifier to regulate its output. This amplifier utilizes feedback from the output of the IC to adjust the output voltage level and adjust the current sourced from the input. This feedback mechanism allows for precise output voltage regulation at a wide range of voltage levels.

The device is programmable via an SPI interface, allowing it to be configured for a variety of operating modes. For example, the user can configure each of the four channels into an independent voltage regulator, allowing it to sequence the power rails in a predetermined order.

The IC also features over-current protection, which prevents excessive currents from flowing through the channels by automatically shutting down the channel(s) in the event that the current draw exceeds a predetermined threshold. The user can also configure the IC to limit the maximum amount of power drawn, to prevent the device from drawing more power than it is rated for.

In addition, the device offers thermal protection which automatically shut-down the device in the event that it starts to overheat due to excessive current draw. This helps protect the device from damage due to excessive operating temperatures and prolongs the life of the component.

The ISL9000AIRMGZ is a high performance and reliable linear voltage regulator for resource-constrained microelectronic devices. Its comprehensive features such as power sequencing, over-current protection, synchronization, and thermal protection give it the flexibility to be used in a wide variety of applications.

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