Monolithic Power Systems Inc.
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MP4423AGQ-P

MP4423AGQ-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power management
  • Characteristics: High efficiency, compact size, wide input voltage range
  • Package: QFN-24
  • Essence: Regulates and controls power supply
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 55V
  • Output Voltage Range: 0.6V to 54V
  • Switching Frequency: 100kHz to 2MHz
  • Operating Temperature Range: -40°C to 125°C
  • Efficiency: Up to 95%

Detailed Pin Configuration

  1. VIN: Input voltage
  2. SW: Switch node
  3. PGND: Power ground
  4. AGND: Analog ground
  5. FB: Feedback
  6. EN: Enable
  7. SS/TRK: Soft-start/Tracking
  8. VOUT: Output voltage

Functional Features

  • Wide input voltage range
  • Adjustable output voltage
  • Overcurrent protection
  • Thermal shutdown
  • Soft-start capability

Advantages and Disadvantages

Advantages: - High efficiency - Compact size - Wide input voltage range - Comprehensive protection features

Disadvantages: - Higher cost compared to some alternatives - Limited maximum output current

Working Principles

The MP4423AGQ-P is a synchronous step-down converter that regulates the output voltage by adjusting the duty cycle of the internal switches based on the feedback signal.

Detailed Application Field Plans

  1. Industrial power supplies
  2. Automotive electronics
  3. LED lighting systems
  4. Battery charging systems
  5. Telecom infrastructure

Detailed and Complete Alternative Models

  1. MP4462AGQ
  2. MP4432AGQ
  3. MP5410AGQ
  4. LM2675M-ADJ
  5. TPS54332DDAR

This comprehensive entry provides an in-depth understanding of the MP4423AGQ-P, covering its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

10个与MP4423AGQ-P在技术解决方案中的应用相关的常见问题及解答

  1. What is the MP4423AGQ-P?

    • The MP4423AGQ-P is a synchronous, rectified, step-down switch-mode converter with built-in internal power MOSFETs.

  2. What is the input voltage range of the MP4423AGQ-P?

    • The input voltage range of the MP4423AGQ-P is 4.5V to 18V.

  3. What is the output current capability of the MP4423AGQ-P?

    • The MP4423AGQ-P can deliver up to 3A of continuous output current.

  4. What are the typical applications of the MP4423AGQ-P?

    • Typical applications of the MP4423AGQ-P include point-of-load regulation in distributed power systems, battery-powered devices, and industrial equipment.

  5. What is the switching frequency of the MP4423AGQ-P?

    • The MP4423AGQ-P operates at a fixed frequency of 1.2MHz.

  6. Does the MP4423AGQ-P have overcurrent protection?

    • Yes, the MP4423AGQ-P features cycle-by-cycle current limit and hiccup mode short-circuit protection.

  7. What is the operating temperature range of the MP4423AGQ-P?

    • The MP4423AGQ-P can operate within a temperature range of -40°C to 125°C.

  8. Is the MP4423AGQ-P suitable for automotive applications?

    • Yes, the MP4423AGQ-P is AEC-Q100 qualified and suitable for automotive applications.

  9. Does the MP4423AGQ-P require an external compensation network?

    • No, the MP4423AGQ-P has a fixed internal compensation network, simplifying design and reducing component count.

  10. What package type does the MP4423AGQ-P come in?

    • The MP4423AGQ-P is available in a compact QFN-16 (3mmx3mm) package for space-constrained applications.