MPQ3425DL-LF-Z

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MPQ3425DL-LF-Z is a DC-DC switching regulator from the PMIC - Voltage Regulators - DC DC Switching Regulators family. It is designed to regulate inputs ranging from 5.5V to 40V, producing a fixed output voltage of 3.3V. Being a low IQ DC-DC regulator, it requires very little quiescent current and is highly efficient, making it ideal for in-system applications.The MPQ3425DL-LF-Z is a synchronous buck regulator with a maximum output current of 3A. It has an adjustable operating frequency from 200kHz to 800kHz, allowing it to be tailored to the application at hand while still delivering high efficiency. The device also features an output over-voltage protection as well as integrated soft-start and enabling features.In terms of control and protection features, the MPQ3425DL-LF-Z features an orphan feedback pin that allows the user to disable the output voltage via an external signal. It also has optional automatic power-down capability, allowing the device to switch off automatically when unused. Additionally, the device has an open loop protection that prevents the output voltage from being damaged in the event of a fault.The main working principle of the MPQ3425DL-LF-Z is based on a synchronous buck converter. It leverages a power switch, the internal clock signal, and an inductor to convert the input voltage to a lower, fixed output voltage. When the power switch is turned on, the current flowing through the inductor increases until it is turned off. When the power switch is off, the current stored in the inductor is released as the output voltage. By appropriately setting the clock frequency and duty cycle, the output voltage is effectively regulated.Additionally, MPQ3425DL-LF-Z features an integrated low-side MOSFET which allows for lower voltage drops and higher efficiency. The device also has a fast transient response which allows for better system response times in the case of fast load changes.Finally, the MPQ3425DL-LF-Z also has a number of customizable features. It can be configured with a few external components depending on the application in order to best meet the user’s requirements. This makes the device highly versatile and easily adaptable for different applications, such as industrial automation, automotive and consumer electronics.In conclusion, MPQ3425DL-LF-Z is an ideal choice for applications in need of a highly efficient, low IQ DC-DC regulator. It is an excellent choice for applications due to its adjustable operating frequency, low quiescent currents, output over-voltage protection, integrated soft-start and enabling features, and customizable features. It can be used in a variety of applications, making it suitable for many applications.

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