MP2497DN-LF-Z

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The MP2497DN-LF-Z is a DC-DC switching regulator from Monolithic Power Systems (MPS), a major provider of PMICs for consumer and industrial applications. This product is a synchronous buck regulator and offers a wide variety of features and performance benefits for powering ASICs, FPGAs, server CPUs, and other Application-Specific Integrated Circuits (ASICs) or Field-Programmable Gate Arrays (FPGAs). In this article, we’ll discuss the application fields and working principle of the MP2497DN-LF-Z.

Application Fields

The MP2497DN-LF-Z DC-DC switching regulators are designed for use in applications requiring high power efficiency and output regulation. The high power density of the regulator makes it ideal for powering high-performance processors and ASICs, as well as for providing low-noise power for low-power standby, sleep, and SNR circuits. Other applications include battery-powered portable electronics, notebooks, and servers; peripheral cards, high-end servers; and telecom applications.

The product features programmable switching frequency and output voltage, making it suitable for a wide array of electronic applications. The MP2497DN-LF-Z supports output voltages as low as 0.8V and as high as 5.5V, allowing it to be used in power solutions ranging from general-purpose SoC solutions to high-performance ASICs.

Working Principle

The MP2497DN-LF-Z features a synchronous buck converter topology with a single-ended primary-inductor converter design. It provides high-efficiency, low-noise, and low-output ripple operation from a constant input voltage. The device includes advanced features such as low on-resistance power MOSFETs, a high frequency current mode control loop, and integrated protection functions for over-current, under-voltage lockout, and thermal shutdown.

The MP2497DN-LF-Z utilizes Internal Voltage Position Control (IVPC) to guarantee no thermal confrontation and good load transient response. It is also able to adjust the output voltage according to the changing load conditions and reduce the switching frequency when the load is light to achieve better efficiency. The device is capable of high frequency operation of up to 2 MHz and supports a wide range of switching frequencies, ranging from 200 KHz to 2 MHz.

The device also offers adjustable current limit and a programmable switching frequency to achieve tighter voltage control loop and higher efficiency. The device is capable of supplying up to 7 A of continuous current from an input voltage of 4.5 V to 16 V, making it suitable for a wide range of applications.

Conclusion

The MP2497DN-LF-Z is a DC-DC switching regulator from MPS, designed for use in applications requiring high power efficiency and output regulation. It features programmable switching frequency and output voltage, making it suitable for a wide array of electronic applications. The device includes advanced features such as low on-resistance power MOSFETs, a high frequency current mode control loop, and integrated protection functions. The MP2497DN-LF-Z is capable of high frequency operation of up to 2 MHz and provides a wide range of switching frequencies, allowing it to be used in power solutions ranging from general-purpose SoC solutions to high-performance ASICs. Overall, the MP2497DN-LF-Z is a reliable and efficient device for powering a variety of electronics.

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