Monolithic Power Systems Inc.
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MP3384EQ-LF-P
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MP3384EQ-LF-P

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: LED Driver
  • Characteristics: High efficiency, compact size, wide input voltage range
  • Package: QFN (Quad Flat No-Lead)
  • Essence: Power management solution for driving LEDs
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Current Range: Up to 1.5A
  • Switching Frequency: Adjustable up to 2MHz
  • Dimming Control: Analog/PWM
  • Protection Features: Over-temperature, over-voltage, short-circuit

Pin Configuration

The MP3384EQ-LF-P IC has the following pin configuration:

  1. VIN: Input voltage
  2. GND: Ground
  3. EN: Enable pin
  4. DIM: Dimming control input
  5. FB: Feedback pin
  6. SW: Switch node
  7. LX: Inductor connection
  8. VOUT: Output voltage

Functional Features

  • High efficiency conversion of input voltage to output current for driving LEDs
  • Wide input voltage range allows for versatile applications
  • Adjustable switching frequency for optimal performance
  • Dimming control options for brightness adjustment
  • Built-in protection features ensure safe operation

Advantages and Disadvantages

Advantages: - High efficiency results in lower power consumption - Compact size enables space-saving designs - Wide input voltage range accommodates various power sources - Dimming control provides flexibility in lighting applications

Disadvantages: - Limited output current range may not be suitable for high-power LED applications - Requires external components for proper operation

Working Principles

The MP3384EQ-LF-P is a buck LED driver IC that utilizes a high-frequency switching regulator to convert the input voltage to a constant current output for driving LEDs. It operates by adjusting the duty cycle of the internal power switch to regulate the output current. The dimming control input allows for brightness adjustment by modulating the duty cycle.

Detailed Application Field Plans

The MP3384EQ-LF-P LED driver IC finds applications in various fields, including:

  1. General lighting: Suitable for residential and commercial lighting applications.
  2. Automotive lighting: Can be used for interior and exterior lighting in vehicles.
  3. Display backlighting: Provides efficient power management for LED backlights in displays.
  4. Industrial lighting: Ideal for industrial environments where high efficiency and reliability are required.

Detailed and Complete Alternative Models

  1. MP3384S: Similar specifications and features, but with a different package (SOP-8).
  2. MP3384E: Enhanced version with higher output current capability (up to 3A).
  3. MP3384H: High-voltage version designed for applications with input voltages up to 60V.

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af MP3384EQ-LF-P i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of MP3384EQ-LF-P in technical solutions:

  1. Q: What is the MP3384EQ-LF-P? A: The MP3384EQ-LF-P is a high-efficiency, synchronous step-down converter designed for driving LEDs.

  2. Q: What is the input voltage range of the MP3384EQ-LF-P? A: The input voltage range of the MP3384EQ-LF-P is typically between 4.5V and 28V.

  3. Q: What is the maximum output current of the MP3384EQ-LF-P? A: The MP3384EQ-LF-P can deliver a maximum output current of up to 3A.

  4. Q: Can the MP3384EQ-LF-P be used for dimming LED lights? A: Yes, the MP3384EQ-LF-P supports PWM dimming control for LED lights.

  5. Q: Does the MP3384EQ-LF-P have over-temperature protection? A: Yes, the MP3384EQ-LF-P has built-in over-temperature protection to prevent damage during high-temperature conditions.

  6. Q: Can the MP3384EQ-LF-P operate in a wide temperature range? A: Yes, the MP3384EQ-LF-P is designed to operate in a temperature range of -40°C to +85°C.

  7. Q: Is the MP3384EQ-LF-P suitable for automotive applications? A: Yes, the MP3384EQ-LF-P is AEC-Q100 qualified, making it suitable for automotive lighting applications.

  8. Q: What type of package does the MP3384EQ-LF-P come in? A: The MP3384EQ-LF-P is available in a compact QFN-16 (3mm x 3mm) package.

  9. Q: Can the MP3384EQ-LF-P be used in battery-powered applications? A: Yes, the MP3384EQ-LF-P has a low shutdown current and can be used in battery-powered applications.

  10. Q: Does the MP3384EQ-LF-P require any external compensation components? A: No, the MP3384EQ-LF-P is internally compensated and does not require any external compensation components.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.