Monolithic Power Systems Inc.
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MPQ4420GJ-AEC1-P
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MPQ4420GJ-AEC1-P

Introduction

The MPQ4420GJ-AEC1-P is a power management integrated circuit (PMIC) belonging to the category of voltage regulators. This device is commonly used in various electronic applications to regulate and control the voltage supplied to different components. The following entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the MPQ4420GJ-AEC1-P.

Basic Information Overview

  • Category: Voltage Regulator
  • Use: Regulating and controlling voltage in electronic applications
  • Characteristics: High efficiency, low dropout voltage, adjustable output, overcurrent protection
  • Package: TO-220
  • Essence: Power management and regulation
  • Packaging/Quantity: Typically packaged in reels or tubes, quantity varies based on supplier

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 55V
  • Output Current: Up to 3A
  • Quiescent Current: 85µA
  • Operating Temperature Range: -40°C to 125°C
  • Features: Adjustable output, overcurrent protection, thermal shutdown

Detailed Pin Configuration

The MPQ4420GJ-AEC1-P typically consists of multiple pins for input, output, feedback, and control. A detailed pin configuration diagram can be found in the product datasheet.

Functional Features

  • Adjustable Output: Allows for flexibility in setting the desired output voltage.
  • Overcurrent Protection: Safeguards the circuit by limiting the output current during overloads.
  • Thermal Shutdown: Protects the device from overheating by shutting down when the temperature exceeds a specified threshold.

Advantages and Disadvantages

Advantages

  • High efficiency
  • Wide input voltage range
  • Overcurrent protection enhances system reliability

Disadvantages

  • Higher quiescent current compared to some competing models
  • Limited output current compared to higher-power regulators

Working Principles

The MPQ4420GJ-AEC1-P operates by regulating the input voltage to provide a stable and controlled output voltage. It utilizes internal circuitry to monitor and adjust the output based on the feedback received, while also incorporating protective features such as overcurrent protection and thermal shutdown.

Detailed Application Field Plans

The MPQ4420GJ-AEC1-P finds extensive use in various applications, including: - Industrial automation - Automotive electronics - Power supplies - LED lighting - Battery charging systems

Detailed and Complete Alternative Models

  • MPQ4421GJ-AEC1-P: Similar specifications with minor variations
  • LM317: Traditional linear regulator with adjustable output
  • LM2596: Step-down switching regulator with adjustable output

In conclusion, the MPQ4420GJ-AEC1-P serves as a versatile voltage regulator with a wide range of applications and features. Its high efficiency, adjustable output, and protective functions make it a valuable component in electronic designs.

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  1. What is the MPQ4420GJ-AEC1-P?

    • The MPQ4420GJ-AEC1-P is a synchronous, rectified, step-down switch-mode converter with built-in power MOSFETs.

  2. What is the input voltage range of the MPQ4420GJ-AEC1-P?

    • The input voltage range of the MPQ4420GJ-AEC1-P is 4.5V to 55V.

  3. What is the output current capability of the MPQ4420GJ-AEC1-P?

    • The MPQ4420GJ-AEC1-P can deliver up to 15A of continuous output current.

  4. What are the key features of the MPQ4420GJ-AEC1-P?

    • Some key features include integrated high-side and low-side power MOSFETs, wide input voltage range, adjustable switching frequency, and overcurrent protection.

  5. How do I set the output voltage of the MPQ4420GJ-AEC1-P?

    • The output voltage can be set using an external resistor divider connected to the FB pin.

  6. What are the typical applications for the MPQ4420GJ-AEC1-P?

    • Typical applications include industrial power systems, automotive systems, telecom infrastructure, and general-purpose step-down regulation.

  7. What is the operating temperature range of the MPQ4420GJ-AEC1-P?

    • The MPQ4420GJ-AEC1-P can operate in a temperature range from -40°C to 125°C.

  8. Does the MPQ4420GJ-AEC1-P have thermal shutdown protection?

    • Yes, the MPQ4420GJ-AEC1-P includes thermal shutdown protection to prevent damage from excessive heat.

  9. What is the efficiency of the MPQ4420GJ-AEC1-P?

    • The MPQ4420GJ-AEC1-P offers high efficiency, typically over 90% under typical operating conditions.

  10. Is the MPQ4420GJ-AEC1-P suitable for battery-powered applications?

    • Yes, the MPQ4420GJ-AEC1-P is suitable for battery-powered applications due to its wide input voltage range and high efficiency, making it ideal for maximizing battery life.