MP2451DT-LF-P

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The MP2451DT-LF-P is a highly versatile and efficient DC DC switching regulator that finds its application in a wide range of consumer, industrial and automotive products. It is ideal for a variety of voltages, current and power levels. This regulator has high efficiency, low output noise and excellent stability and load regulation performance. It also has a wide output voltage range and can be used to generate both step-up and step-down voltages.

The MP2451DT-LF-P works on buck-boost architecture, making it possible to generate voltage output different from that of its input. The device features Pulse Frequency Modulation (PFM) Control, allowing it to deliver up to 96.3% efficiency with heavy load steps without the need for bulk capacitors and output filter components. The device is also highly integrated with the circuit’s essential components, such as an adjustable input to output voltage level, FET switches, over-temperature protection, soft-start circuitry and current limiter, for improved reliability and performance.

The MP2451DT-LF-P also has built-in synchronous rectification that improves efficiency up to 97.3% while reducing switching losses. Its PFC integrated MOSFETs can operate at a maximum frequency of 624 kHz. The device is designed to maximize the ease of design and use, so it has some basic protection and safety features such as OCP, OTP and UVLO. The device is also compatible with a low ESR ceramic capacitor for improved system performance.

The MP2451DT-LF-P is used in several applications including automotive electronics, chargers, battery packs, displays, servers and other high power density equipment. The applications of the device are primary power supplies and solutions for low voltage, low power-to-power and noise sensitive systems. This device provides excellent solution at high frequency and power levels, reducing the size of products and making them more efficient.

The working principle of MP2451DT-LF-P is make use of a switching regulator, also known as a DC-to-DC converter, to convert a given input voltage to a desired output voltage. Generally such circuit consists of an inductor, a diode, two capacitors, and a switching transistor that is controlled by an internal or external feedback control circuit. The circuit works on the principle of buck-boost, allowing it to maintain a desired output voltage even when the input voltage is varying.

The MP2451DT-LF-P has an input voltage of 4.5V to 14.5V and an output voltage of 0.8V to 6.5V. The device features pulse frequency modulation (PFM) control, allowing it to deliver up to 97.3% efficiency with heavy load steps without the need for bulk capacitors and output filter components. Its maximum peak current is 3.2A, and its output power is up to 24W. The device also has protection against over-voltage, under-voltage, over-current and over-temperature.

The MP2451DT-LF-P is a highly versatile, efficient and reliable DC-DC switching regulator that finds a variety of applications in consumer, industrial, and automotive products. Its buck-boost architecture makes it possible to generate voltage output different from that of its input. The high efficiency, low output noise and excellent stability and load regulation performance makes it a suitable choice for producing low voltage, high power and noise sensitive systems.

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