ISL9007IUFZ-T

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The ISL9007IUFZ-T is a high switching frequency, integrated, low voltage, low quiescent current, synchronous step-down converter from Intersil. This device incorporates a high performance, fixed-frequency, current-mode, pulse width modulation (PWM) controller with a low-side MOSFET and is compliant to the 3.3V PCI Express® specification. The ISL9007IUFZ-T is a versatile, low noise, and power efficient regulator with a wide input voltage range of 4.5V to 14V, making it highly suitable for automotive, computing, communications and industrial applications. The device’s main purpose is to provide a regulated output voltage. This regulator is used to convert a higher input voltage down to a lower output voltage, while providing a high level of regulation accuracy at the same time.

The ISL9007IUFZ-T is classified as a linear voltage regulator, due to the topology used by the device. Linear voltage regulators operate by controlling the output voltage of a power supply. It achieves this by maintaining a constant voltage drop between the input and the output. This is done by dissipating the excess energy from the input voltage, converting it from electric energy into heat energy. Linear voltage regulators are used in applications when a precise output voltage is needed. They are typically used for low-power, low-current applications.

The ISL9007IUFZ-T can be used to power a variety of applications, from automotive systems to computer systems. Because of its wide input voltage range and wide temperature range, the device is especially useful for automotive systems that may require a regulated voltage in extreme circumstances, such as start-stop conditions and wide temperature fluctuations. It is also suitable for powering PCI Express® applications, where a precise and regulated voltage is required.

In terms of its working principle, the ISL9007IUFZ-T implements an adaptive on-time control architecture, which regulates the output voltage by varying the duty cycle depending on the feedback voltage. The internal PWM controller continuously compares the feedback voltage to an internal reference voltage, and then adjusts the on-time accordingly. This allows the device to maintain a constant output voltage, even when the input voltage is fluctuating.

The ISL9007IUFZ-T is also equipped with several features and functions that improve the device’s performance and reduce its overall power consumption. These features and functions include adjustable output voltage, under-voltage lockout (UVLO), over-voltage protection (OVP), over-current protection (OCP), and thermal shutdown (TSD). These extra features ensure that the device is reliable, efficient, and safe to use in a variety of applications.

The ISL9007IUFZ-T is an ideal device for a wide range of applications and provides a dependable, efficient, and regulated output voltage, even in varying input and temperature conditions. With its low power consumption and versatile features, it is highly suitable for low power and low current applications, making it a great choice for automotive, computing, communications, and industrial applications.

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