MP9486AGN

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MP9486AGN is a type of DC/DC switching regulator (SR), an integrated circuit for regulating, controlling, managing and maintaining the power supply in various power-sensitive applications. It is an advanced DC/DC switching regulator with high efficiency, low noise and low cost, ideal for a wide range of applications. This regulator can be used for a variety of applications, including LED lighting, battery chargers, computers, cell phones, home entertainment systems, and automotive systems.

Features

The MP9486AGN is a low power, high efficiency DC/DC switching regulator. It is capable of delivering up to 406mA output, while drawing a modest 135µA quiescent current. It features an enable pin (EN), which allows the regulator to be shut down, allowing for power saving when not in use. The automatic PWM/PFM mode switching makes it a great choice for lower power applications, as it ensures low output noise and optimal efficiency. The wide input voltage range of the MP9486AGN (1.8-5.5V) makes it highly adaptable and suitable for a wider range of applications.

The MP9486AGN has an adjustable output voltage range of 0.3-3.3 V, allowing it to be used in a wide variety of devices and applications. Additionally, the adjustable soft-start and frequency (1kHz/1.5kHz/2kHz) enable the MP9486AGN to deliver the optimal performance and reliability.

Applications

The MP9486AGN is a versatile, robust SR, suitable for a wide range of applications. It is ideal for applications such as LED lighting, battery chargers, and high efficiency DC-DC conversion in computers, cell phones, home entertainment systems, and automotive systems. Additionally, due to its low power consumption and wide input voltage range, it can be used for low power applications such as low power non-volatile memory programming, low power sensors, and power management for system-on-a-chip (SoC).

The MP9486AGN is also well-suited for renewable energy applications such as solar and wind power chargers, and for mobile device charging for car and building solar systems. With its wide input range and low power consumption, it can be used to provide a highly efficient and flexible approach to identifying and implementing power management systems in a variety of applications.

Working Principle

The DC/DC switching regulator MP9486AGN is a step-down (buck) converter. This type of converter is used to reduce the input voltage to the required output voltage. It works by switching the input voltage through an inductor, which stores energy in a magnetic field to increase the current. The current is then switched through a diode, which allows the current to pass to the output only when the power transistor is off (open switch mode). When this happens, the energy stored in the inductor is discharged as the output voltage.

The regulator is then controlled by a pulse width modulated (PWM) signal. The regulator monitors the output voltage and adjusts the duty cycle of the PWM signal to regulate its value. The MP9486AGN also has an adjustable frequency (1kHz/1.5kHz/2kHz) and adjustable soft-start, which allows the user to fine-tune the performance and reliability of the converter.

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