Monolithic Power Systems Inc.
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MP3385AGR-P

MP3385AGR-P

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Wide input voltage range - Multiple protection features - Compact size

Package: SOP-8

Essence: The MP3385AGR-P is a power management IC designed for various applications that require efficient power conversion and management.

Packaging/Quantity: The MP3385AGR-P is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 4.5V to 24V
  • Output Voltage Range: 2.5V to 22V
  • Maximum Output Current: 3A
  • Switching Frequency: 1MHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP3385AGR-P has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. EN: Enable pin
  4. FB: Feedback pin
  5. SW: Switching pin
  6. LX: Inductor connection pin
  7. VOUT: Output voltage pin
  8. PGND: Power ground pin

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency ensures minimal power loss during conversion.
  • Multiple protection features, such as overvoltage and overcurrent protection, enhance system reliability.
  • Compact size enables space-saving designs.

Advantages and Disadvantages

Advantages: - High efficiency results in energy savings. - Wide input voltage range provides flexibility. - Multiple protection features enhance system reliability. - Compact size allows for compact device designs.

Disadvantages: - Limited maximum output current may not be suitable for high-power applications. - Operating temperature range may restrict usage in extreme environments.

Working Principles

The MP3385AGR-P 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. The IC incorporates various control and protection circuits to ensure safe and reliable operation.

Detailed Application Field Plans

The MP3385AGR-P is commonly used in the following applications:

  1. LED Lighting: The IC can drive LED strings or arrays with high efficiency, making it suitable for various lighting applications, including automotive, industrial, and residential lighting.
  2. Portable Devices: Its compact size and wide input voltage range make it ideal for powering portable devices such as smartphones, tablets, and portable audio players.
  3. Industrial Equipment: The MP3385AGR-P can be used in industrial equipment that requires efficient power management, such as motor drives, control systems, and instrumentation.

Detailed and Complete Alternative Models

  1. MP3386AGR-P: Similar to MP3385AGR-P but with a higher maximum output current of 4A.
  2. MP3384AGR-P: Similar to MP3385AGR-P but with a lower maximum output current of 2A.
  3. MP3387AGR-P: Similar to MP3385AGR-P but with additional protection features, such as thermal shutdown and short-circuit protection.

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Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von MP3385AGR-P in technischen Lösungen auf

Sure! Here are 10 common questions and answers related to the application of MP3385AGR-P in technical solutions:

  1. Q: What is the MP3385AGR-P? A: The MP3385AGR-P is a high-efficiency, synchronous step-down converter designed for driving LEDs in applications such as LCD backlighting.

  2. Q: What is the input voltage range of the MP3385AGR-P? A: The MP3385AGR-P has an input voltage range of 4.5V to 28V.

  3. Q: What is the output current capability of the MP3385AGR-P? A: The MP3385AGR-P can deliver up to 3A of output current.

  4. Q: Can the MP3385AGR-P be used for dimming LED lights? A: Yes, the MP3385AGR-P supports PWM dimming control for LED brightness adjustment.

  5. Q: Does the MP3385AGR-P have over-temperature protection? A: Yes, the MP3385AGR-P includes over-temperature protection to prevent damage during high-temperature conditions.

  6. Q: Can the MP3385AGR-P operate in a wide temperature range? A: Yes, the MP3385AGR-P is designed to operate in a temperature range of -40°C to +85°C.

  7. Q: Is the MP3385AGR-P suitable for automotive applications? A: Yes, the MP3385AGR-P is AEC-Q100 qualified, making it suitable for automotive lighting applications.

  8. Q: What is the efficiency of the MP3385AGR-P? A: The MP3385AGR-P offers high efficiency, typically above 90%, ensuring minimal power loss.

  9. Q: Can the MP3385AGR-P be used in battery-powered applications? A: Yes, the MP3385AGR-P has a low quiescent current and supports battery voltage operation, making it suitable for battery-powered devices.

  10. Q: Does the MP3385AGR-P require external compensation components? A: No, the MP3385AGR-P is internally compensated, eliminating the need for external compensation components.

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