XC9263A75DMR-G

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XC9263A75DMR-G is part of a family of multi-channel synchronous buck regulators from Toshiba. This regulator is specifically designed for notebook and tablet applications that require high efficiency and low power consumption. The XC9263A75DMR-G is a DC/DC switching regulator with an integrated driver that includes two MOSFETs, an inductor, and two series pass elements. The XC9263A75DMR-G is basically a monolithic integrated circuit that features a high level of integration, and supports a wide variety of output voltage and current combinations.

The XC9263A75DMR-G is designed to take an input voltage between 4.5V to 17V, and provide an output current up to 5A with an adjustable output voltage range of 0.8V to 6V. It operates at a maximum switching frequency of 1.5MHz and has low ripple voltage (<30mV). It features built-in frequency compensation, automatic switching frequency adjustment, and adjustable power save mode. It also has a slew rate control and an enable signal input pin.

The main feature of the XC9263A75DMR-G is its dual-mode operation. In normal operation, the switching frequency is controlled to remain constant, and the stacked MOSFETs allow for a reduction in the output voltage ripple. When in power save mode, the switching frequency is dynamically changed in order to optimize the power consumption. This power optimization is enabled by the integrated comparator which measures the load current and adjusts the switching frequency accordingly.

The XC9263A75DMR-G also includes a number of protection features to help protect against over-voltage, under-voltage, over-temperature, and current limit conditions. It also includes an output voltage sequencing option which allows for multiple outputs to be powered up or down in a controlled sequence. This can be useful for applications that require multiple outputs to be powered up or down in a predetermined order.

The XC9263A75DMR-G is ideal for applications that require a low power, high efficiency, and low cost solution. It is well-suited for products that need low standby power, such as notebooks and tablets which are highly dependent on battery life. It is also suitable for applications in medical, consumer, industrial, and automotive applications. Additionally, the XC9263A75DMR-G is a cost-effective solution for providing a high number of outputs at a low price.

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