ISL6522IRZS2698

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ISL6522IRZ-S2698 is a DC to DC switching controller specifically designed for powering low to midrange microprocessor systems and other advanced analog, digital, and mixed signal ICs. It is a feature-rich DC to DC switching regulator which includes an onboard buffer to reduce power losses. The ISL6522IRZ-S2698 can also be used to monitor the output voltage, monitor and control temperature, and program the on-board timing and protection features all in one package.

Application Field

The ISL6522IRZ-S2698 is designed to be used in DC to DC converter systems that require a wide input voltage range, high quality output and ultra-low noise performance. It is specifically designed for powering low to midrange microprocessor systems, including single voltage CPUs, system on chip (SoC) CPUs and ASICs, as well as advanced analog, digital, and mixed signal ICs. Additionally, because of its wide input voltage range, it can be used to power systems operating from 6V to 24V supplies and from 12V to 48V in non-Powertrain applications.

Working Principle

The ISL6522IRZ-S2698 is an integrated circuit containing all the necessary functions to operate a DC to DC voltage regulator. It is based on a current-mode control topology, which is a type of PWM (pulse width modulation) based control technique. Its main purpose is to maximize the efficiency of the switching regulator and minimize the output noise. It is also capable of providing up to 4A of continuous current.

The device is composed of two main parts: the controller and the power switch. The controller regulates the flow of current between the input and the output, while the power switch rapidly turns the power on and off to ensure that the output voltage is constantly regulated. The controller uses the feedback signal from the output of the power switch to determine the on-time and off-time of the switch.

In addition to the above, the ISL6522IRZ-S2698 also offers a wide range of features to enable safe and efficient use of the converter, such as programmable under-voltage lockout, thermal shutdown, over-current protection, and more. This allows the device to be used safely in a variety of applications, making it an ideal choice for a wide range of DC-DC converter applications.

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