ISL9011AIRKPZ

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The ISL9011AIRKPZ is an advanced linear voltage regulator that offers ultimate performance and high power efficiency in a wide range of applications. With a programmable output range from 2V to 15V, the ISL9011AIRKPZ is an ideal choice for data converters, system peripherals, and digital signal processing (DSP) devices. It includes both an adjustable voltage mode and a fixed voltage mode, allowing for flexibility in applications requiring both high accuracy and high power efficiency.

Working Principle

The ISL9011AIRKPZ uses a feedback loop to continuously monitor and adjust the output voltage according to the desired setpoint. The circuit uses a voltage regulator, which is designed to keep the output voltage constant regardless of the load or input voltage. When the output voltage deviates from the setpoint, the regulator acts to correct the output voltage by increasing or decreasing the amount of power supplied to the load.

The input voltage is applied to a voltage divider, which creates an output voltage reference to the error amplifier. The output voltage is then compared to the reference voltage, and the resulting error signal is sent to the control logic. The logic then adjusts the duty cycle of the pass device to maintain the output voltage within the desired range.

Features

The ISL9011AIRKPZ features programmable over-voltage protection (OVP), which ensures that the output voltage does not exceed the desired voltage setting. It also includes over-temperature protection (OTP) for added safety and reliability. The device also supports remote sensing, allowing for improved accuracy at the remote load points. Additionally, an onboard power fail comparator can detect an under-voltage or an over-voltage condition. When this occurs, the power fail comparator immediately shuts down the output to protect the system.

Applications of ISL9011AIRKPZ

The ISL9011AIRKPZ is suitable for a variety of applications, such as data converters, system peripherals, and digital signal processing (DSP) devices. It is also ideal for space-constrained designs, with low-profile, high power density packages, which reduce the overall space requirements. Additionally, the device features a high-speed shutoff and PMBus compliance, making it suitable for power-controlled systems.

The ISL9011AIRKPZ is also suitable for applications requiring an adjustable voltage mode, such as voltage regulators, voltage dividers, photocells and illumination control. It is also suitable for systems requiring either a fixed or an adjustable output voltage, such as microprocessor and digital signal processor (DSP) systems.

The ISL9011AIRKPZ is an invaluable tool for anyone looking for an advanced linear voltage regulator that offers ultimate performance and high power efficiency in a wide range of applications. With its adjustable voltage mode and fixed voltage mode, it offers flexibility and reliability. The device also offers over-temperature and over-voltage protection, as well as remote sensing, allowing for improved accuracy at the remote load points.

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