XC9272B0814R-G Integrated Circuits (ICs)

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XC9272B0814R-G is a DC-DC buck switching regulator of the PMIC (Power Management IC) family. It is designed to provide a regulated output voltage from an unregulated input voltage; since it is a switching type of regulator, it enables high efficiency, voltage conversion and current regulation. This device is specifically targeted to provide a regulated output voltage for NAND Flash Memory and MCP Storage on networking and consumer electronic applications.

The XC9272B0814R-G contains two integrated contollers: a Buck Controller and a High-Side P-Channel MOSFET. The Buck Controller implements a current-mode buck converter. This means it regulates the output voltage (DC-DC buck regulator) while maintaining current in the output. The buck controller also provides a synchronizable PWM with a frequency up to 2.2MHz, allowing the frequency to be synchronized to an external clock. Additionally, it offers an integrated slew rate control and output tracking. The set-point of the output voltage is determined by an external voltage divider.

The high-side P-channel MOSFET is the power switch that translates the pulse width modulation signal from the buck controller into a gated current in the output. This arrangement effectively regulates the output voltage across the load, or the regulated output. The regulated output voltage is measured by an internal feedback loop and adjusted accordingly by the Buck Controller to ensure that the current in the output remains constant.

The XC9272B0814R-G is specified to have an input voltage range from 4.5V to 21V and a high output voltage accuracy of ±2.5% with a guarantee of over 90% efficiency at 1.2V to 3.3V (at 1A output current) and up to 94% efficiency at 5V to 15V (at 1A output current). It is designed to provide a low noise level of optimized and greater than -73 dB at a switching frequency of 2.2 MHz.

The XC9272B0814R-G is a flexible and efficient solution that can be used in many different applications that require regulated output voltage. It is commonly found in NAND Flash Memory and MCP Storage on networking, consumer electronics and a wide variety of other applications.

The XC9272B0814R-G provides reliable power conversion with consistent output performance and is a convenient and reliable solution for a wide range of designs. It is suitable for applications that require low standby power, high efficiency and high power density in a DC-DC buck converter.

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