FSFM261N

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The FSFM261N is a multi-topology device which combines integrated power management functions such as DC-DC and linear regulators, power FET switching, and a microcontroller interface. This chip includes features such as adaptive voltage scaling, power mode control, sleep and wake-up management, fault response and fault shutdown, and I2C/PMBus control. It\'s suitable for use in consumer, server, communications, industrial and automotive applications.

The FSFM261N is a Class-D buck converter with its own power system, specifically designed to provide high efficiency, low standby power, wide input voltage range and a high switching frequency – more than 20MHz. Its output voltage range covers from 1.5V up to 5V, suitable for step-down applications.

The FSFM261N has an integrated control logic for power-on reset, enabling autonomous start-up. Its internal regulator charges a separate capacitor to maintain the output voltage, allowing remote wake-up events. Its low-resolution PFM mode enables dynamic control of output voltage over the entire useful input range. This modes drops the system efficiency in light loads but without compromising the output voltage.

The FSFM261N provides significant features that enable a very effective system design in terms of efficiency and power savings. Its low gate charge and low gate voltage minimize power loss, while its integrated synchronous switching eliminates the need for an external MOSFET driver. Its integrated current limit, adjustable soft-start and adjustable dead-time enable improved system stability and efficiency under load transients.

The device is designed for offline switchers as well as offline to online converters and can be used in applications such as wall adapters, line-powered appliances, LED drivers, tablets, and battery chargers. It is also suited for requirements such as Super-green™, PMBus™, Smart Management, small package size and low standby power. The FSFM261N is qualified under the AEC-Q100 and ASIL B compliance program.

The FSFM261N is a versatile device with tremendous performance that makes it suitable for use in a number of applications, including AC-DC power supplies, offline switchers, offline to online converters, battery chargers, and LED drivers. It is a highly efficient device with a wide input voltage range, a high switching frequency (over 20 MHz), and low standby power consumption.

Its power-on reset feature, low-resolution PFM mode, dynamic control of output voltage and integrated control logic, adjustable soft-start and dead-time and integrated synchronous switch provide the user with enhanced performance. The device is also compliant with the AEC-Q100 and ASIL B compliance program, making it suitable for use in high-end industrial and automotive applications.

The FSFM261N is a great choice for power management and provides a power efficient solution for optimizing the design of power circuits in a variety of applications. Its combination of features, wide range of output voltages, and compliance with AEC-Q100 certification makes it suitable for a wide range of power management applications.

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