Monolithic Power Systems Inc.
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MP3412EJ-LF-P
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MP3412EJ-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics:
    • High efficiency voltage regulator
    • Low power consumption
    • Small form factor
    • Wide input voltage range
  • Package: QFN-16
  • Essence: Voltage Regulator IC
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 24V
  • Output Voltage Range: 0.8V to 18V
  • Maximum Output Current: 1.5A
  • Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP3412EJ-LF-P has a total of 16 pins arranged as follows:

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. FB (Feedback)
  5. COMP (Compensation)
  6. SS (Soft Start)
  7. PGND (Power Ground)
  8. SW (Switch)
  9. SW (Switch)
  10. SW (Switch)
  11. SW (Switch)
  12. VOUT (Output Voltage)
  13. VOUT (Output Voltage)
  14. VOUT (Output Voltage)
  15. VOUT (Output Voltage)
  16. PGND (Power Ground)

Functional Features

  • High efficiency synchronous step-down converter
  • Adjustable output voltage
  • Over-temperature protection
  • Short-circuit protection
  • Under-voltage lockout (UVLO) protection
  • Soft start for smooth power-up

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range enables versatile applications - Adjustable output voltage provides flexibility

Disadvantages: - Limited maximum output current of 1.5A - Operating temperature range may not be suitable for extreme environments

Working Principles

The MP3412EJ-LF-P is a synchronous step-down converter that efficiently converts a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to achieve high efficiency. The EN pin controls the enable/disable state of the converter, while the FB pin provides feedback for regulating the output voltage. The COMP pin is used for compensation purposes to stabilize the control loop. The SS pin enables soft start functionality, gradually ramping up the output voltage during power-up.

Detailed Application Field Plans

The MP3412EJ-LF-P is commonly used in various applications, including but not limited to:

  1. Portable electronic devices
  2. Battery-powered systems
  3. Industrial automation
  4. Automotive electronics
  5. LED lighting systems

Detailed and Complete Alternative Models

  1. MP3421EJ-LF-P
  2. MP3433EJ-LF-P
  3. MP3444EJ-LF-P
  4. MP3455EJ-LF-P
  5. MP3466EJ-LF-P

These alternative models offer similar functionality and characteristics to the MP3412EJ-LF-P, providing options for different design requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de MP3412EJ-LF-P dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MP3412EJ-LF-P in technical solutions:

  1. Q: What is the MP3412EJ-LF-P? A: The MP3412EJ-LF-P is a specific model of power management integrated circuit (PMIC) designed for use in various technical solutions.

  2. Q: What are the key features of the MP3412EJ-LF-P? A: The MP3412EJ-LF-P features multiple voltage regulators, current limit protection, thermal shutdown, and a wide input voltage range.

  3. Q: What applications can the MP3412EJ-LF-P be used for? A: The MP3412EJ-LF-P can be used in a wide range of applications such as industrial automation, consumer electronics, automotive systems, and more.

  4. Q: How many voltage regulators does the MP3412EJ-LF-P have? A: The MP3412EJ-LF-P has two integrated voltage regulators.

  5. Q: What is the input voltage range of the MP3412EJ-LF-P? A: The MP3412EJ-LF-P has an input voltage range of 4.5V to 28V.

  6. Q: Does the MP3412EJ-LF-P provide overcurrent protection? A: Yes, the MP3412EJ-LF-P provides overcurrent protection to prevent damage to connected devices.

  7. Q: Can the MP3412EJ-LF-P handle high temperatures? A: Yes, the MP3412EJ-LF-P has built-in thermal shutdown protection to ensure safe operation even at high temperatures.

  8. Q: Is the MP3412EJ-LF-P suitable for battery-powered applications? A: Yes, the MP3412EJ-LF-P is designed to work with battery-powered applications and has low quiescent current consumption.

  9. Q: What is the output voltage range of the MP3412EJ-LF-P? A: The MP3412EJ-LF-P can provide output voltages ranging from 0.8V to 5.5V.

  10. Q: Are there any evaluation boards or reference designs available for the MP3412EJ-LF-P? A: Yes, the manufacturer provides evaluation boards and reference designs to help users quickly prototype and implement the MP3412EJ-LF-P in their applications.

Please note that these answers are general and may vary depending on the specific requirements and documentation provided by the manufacturer of the MP3412EJ-LF-P.