MPQ2143DJ-AEC1-LF-Z

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MPQ2143DJ-AEC1-LF-Z is a 3A DC-DC synchronous step-down switching regulator. It is designed by Monolithic Power Systems, and it is classified under PMIC - Voltage Regulators - DC DC Switching Regulators.

MPQ2143DJ-AEC1-LF-Z consist of an integrated dual N-channel power MOSFET, an error amplifier, a reference Voltage regulator, a PWM comparator, an oscillator, and other resistive and capacitive devices. It is specially designed to have a low quiescent current and high efficiency, which makes it suitable for various applications.

The application field of MPQ2143DJ-AEC1-LF-Z includes ultra low power, high efficiency DC-DC regulators, battery-operated systems and portable systems. It also supports wide input voltage of 2.5V to 5.5V and adjustable switching frequency, which makes it ideal for low voltage/low power applications. In addition, the converter is highly integrated and delivers up to 3A output current with a low input current.

The working principle of the regulator is simple. It uses an output Voltage feedback loop to control the converter\'s output Voltage and regulates it in an accurate manner. Input Voltage is feed to a switched mode regulator which controls the output voltage at a certain desired level that the user sets. To ensure accurate Voltage regulation, the resistor, oscillator and error amplifier cooperate to generate a stable and accurate signal. The signal is then fed to the transistors and power MOSFET, enabling them to switch at the desired frequency.

MPQ2143DJ-AEC1-LF-Z is an ideal choice for various low voltage/low power applications. The circuit is highly integrated, operates at low current and offers high efficiency, making it suitable for ultra-low power devices. With wide input voltage and adjustable switching frequency, it is flexible and can be easily integrated into any existing system.

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