ISL6248ACR

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The ISL6248ACR is a single-channel synchronous buck-boost mode power supply controller designed to meet the requirements of high-performance applications. This device has a wide input voltage range of 4.5V to 28V and its output voltage is programmable from 0.8V to 28V. It is suitable for applications that require an output voltage that is above, below, or equal to the input voltage.

A synchronous buck-boost mode power supply is a type of DC-DC converter that can buck or boost the input voltage depending on the needs of the application. It also provides efficiency advantages over traditional buck or boost converters as it is capable of operating in a wide input voltage range. The ISL6248ACR is capable of providing up to 90A of continuous current with a peak current of 180A.

The ISL6248ACR is designed to provide excellent transient response, high efficiency, and high power density. It is capable of providing fast transient response for changing input or load conditions. In addition, it is designed with a wide range of current limit, short-circuit protection, soft-start, and thermal protection features.

The ISL6248ACR has a typical efficiency of 92% over the entire load range. It has an adjustable voltage output of 4.5V-28V and can provide up to 2A without an external MOSFET. The device also features a synchronous buck-boost mode that allows the controller to regulate the output voltage under dynamic load and input conditions. This mode can also be used to reduce the stress on the external MOSFET when switching from buck to boost.

The ISL6248ACR is designed for a broad range of applications, such as automotive, telecommunication, automotive systems, computing, portable electronics and home appliances. This device can be used for powering high-performance computing, FPGA, and memory systems in automotive, telecommunications, and computing applications. It is also suitable for powering wireless power supplies, high power LED drivers, and embedded systems in home appliances. It is a versatile device capable of providing an output voltage that is above, below, or equal to the input voltage, making it suitable for a wide range of applications.

The working principle of the ISL6248ACR is based on a synchronous buck-boost topology. The controller utilizes two high-side switches in series and two low-side switches in parallel. During operation, it alternately switches the two high-side switches to regulate the output voltage and provide a constant load current. When the low-side switches are switched, the output voltage is kept constant and the load current changes in response to the input voltage changes.

The ISL6248ACR is a highly integrated and robust DC-DC power supply controller designed to meet the requirements of high-performance applications. It is capable of delivering high power levels with excellent transient response and high efficiency. Its wide range of features and its ability to buck and boost the input voltage make it suitable for powering a variety of applications.

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