Monolithic Power Systems Inc.
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MP3387LGRT-Z
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MP3387LGRT-Z

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: QFN-24

Essence: The MP3387LGRT-Z is a power management IC designed for various applications that require efficient power conversion and regulation.

Packaging/Quantity: The MP3387LGRT-Z is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 0.8V to 26V
  • Maximum Output Current: 3A
  • Switching Frequency: 1.2MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP3387LGRT-Z has a total of 24 pins, which are assigned specific functions as follows:

  1. VIN: Input voltage pin
  2. EN: Enable pin
  3. FB: Feedback pin
  4. GND: Ground pin
  5. SW: Switching node pin
  6. LX: Inductor connection pin
  7. VCC: Supply voltage pin
  8. PGND: Power ground pin
  9. SS/TR: Soft-start/tracking pin
  10. COMP: Compensation pin
  11. BST: Bootstrap pin
  12. AGND: Analog ground pin
  13. NC: No connect
  14. NC: No connect
  15. NC: No connect
  16. NC: No connect
  17. NC: No connect
  18. NC: No connect
  19. NC: No connect
  20. NC: No connect
  21. NC: No connect
  22. NC: No connect
  23. NC: No connect
  24. NC: No connect

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency conversion minimizes power loss.
  • Adjustable output voltage provides flexibility.
  • Overcurrent protection safeguards against excessive current flow.
  • Thermal shutdown protection prevents overheating.

Advantages and Disadvantages

Advantages: - High efficiency operation - Wide input voltage range - Adjustable output voltage - Comprehensive protection features

Disadvantages: - Limited maximum output current (3A)

Working Principles

The MP3387LGRT-Z utilizes a switching regulator topology to efficiently convert the input voltage to the desired output voltage. It employs pulse width modulation (PWM) techniques to regulate the output voltage and maintain stability under varying load conditions. The IC incorporates various control and protection circuits to ensure reliable and safe operation.

Detailed Application Field Plans

The MP3387LGRT-Z is commonly used in the following applications:

  1. LED lighting systems
  2. Portable electronic devices
  3. Industrial equipment
  4. Automotive electronics
  5. Power supplies

Detailed and Complete Alternative Models

  1. MP3386LGRT-Z
  2. MP3388LGRT-Z
  3. MP3389LGRT-Z
  4. MP3390LGRT-Z
  5. MP3391LGRT-Z

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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技術ソリューションにおける MP3387LGRT-Z の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MP3387LGRT-Z in technical solutions:

  1. Q: What is the MP3387LGRT-Z? A: The MP3387LGRT-Z is a high-efficiency, step-down LED driver IC designed for driving LEDs in general lighting applications.

  2. Q: What is the input voltage range of the MP3387LGRT-Z? A: The MP3387LGRT-Z has an input voltage range of 4.5V to 28V.

  3. Q: What is the maximum output current of the MP3387LGRT-Z? A: The MP3387LGRT-Z can deliver a maximum output current of 3A.

  4. Q: Can the MP3387LGRT-Z be used for dimming LED lights? A: Yes, the MP3387LGRT-Z supports analog dimming control through an external PWM signal.

  5. Q: Is the MP3387LGRT-Z suitable for automotive lighting applications? A: Yes, the MP3387LGRT-Z is designed to meet the requirements of automotive lighting applications.

  6. Q: Does the MP3387LGRT-Z have over-temperature protection? A: Yes, the MP3387LGRT-Z features built-in thermal shutdown protection to prevent overheating.

  7. Q: Can the MP3387LGRT-Z operate in a wide temperature range? A: Yes, the MP3387LGRT-Z is rated for operation from -40°C to +125°C.

  8. Q: What type of package does the MP3387LGRT-Z come in? A: The MP3387LGRT-Z is available in a compact QFN-16 (3mm x 3mm) package.

  9. Q: Does the MP3387LGRT-Z require any external components for operation? A: Yes, the MP3387LGRT-Z requires a few external components such as inductors, capacitors, and resistors for proper operation.

  10. Q: Can the MP3387LGRT-Z be used in battery-powered applications? A: Yes, the MP3387LGRT-Z has a low quiescent current and is suitable for battery-powered applications where power efficiency is important.

Please note that these answers are general and may vary depending on specific application requirements.