Monolithic Power Systems Inc.
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MP2481DH-LF-Z
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MP2481DH-LF-Z

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Voltage Drop, Small Package Size
  • Package: SOP-8
  • Essence: Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 4.5V to 18V
  • Output Voltage Range: 0.6V to 5.5V
  • Maximum Output Current: 3A
  • Switching Frequency: 500kHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MP2481DH-LF-Z IC has the following pin configuration:

  1. VIN: Input Voltage
  2. GND: Ground
  3. EN: Enable Pin
  4. FB: Feedback Pin
  5. SS: Soft-Start Pin
  6. COMP: Compensation Pin
  7. SW: Switch Node
  8. VOUT: Output Voltage

Functional Features

  • Wide input voltage range allows for versatile applications.
  • High efficiency ensures minimal power loss.
  • Low voltage drop provides stable output voltage.
  • Soft-start feature prevents inrush current during startup.
  • Overcurrent protection safeguards against excessive load.

Advantages and Disadvantages

Advantages

  • High efficiency leads to energy savings.
  • Compact package size enables space-saving designs.
  • Wide input voltage range accommodates various power sources.
  • Overcurrent protection enhances system reliability.

Disadvantages

  • Limited maximum output current may restrict certain high-power applications.
  • Requires external components for proper operation.

Working Principles

The MP2481DH-LF-Z is a voltage regulator IC that converts an input voltage into a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency. The input voltage is first stepped down and then regulated to provide a stable output voltage. The IC incorporates various protection features to ensure safe operation.

Detailed Application Field Plans

The MP2481DH-LF-Z is commonly used in the following applications:

  1. Power supplies for consumer electronics.
  2. Battery charging circuits.
  3. LED lighting systems.
  4. Industrial automation equipment.
  5. Automotive electronics.

Detailed and Complete Alternative Models

  • MP2480DH-LF-Z
  • MP2482DH-LF-Z
  • MP2483DH-LF-Z
  • MP2484DH-LF-Z
  • MP2485DH-LF-Z

These alternative models offer similar functionality and can be considered as replacements for the MP2481DH-LF-Z.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MP2481DH-LF-Z dalam penyelesaian teknikal

  1. Question: What is the input voltage range for MP2481DH-LF-Z?
    Answer: The input voltage range for MP2481DH-LF-Z is 4.5V to 75V.

  2. Question: What is the maximum output current of MP2481DH-LF-Z?
    Answer: The maximum output current of MP2481DH-LF-Z is 3A.

  3. Question: Can MP2481DH-LF-Z be used in automotive applications?
    Answer: Yes, MP2481DH-LF-Z is suitable for automotive applications.

  4. Question: What is the switching frequency range of MP2481DH-LF-Z?
    Answer: The switching frequency range of MP2481DH-LF-Z is 100kHz to 2.2MHz.

  5. Question: Does MP2481DH-LF-Z have overcurrent protection?
    Answer: Yes, MP2481DH-LF-Z features overcurrent protection.

  6. Question: Is MP2481DH-LF-Z compatible with both synchronous and non-synchronous rectification?
    Answer: Yes, MP2481DH-LF-Z is compatible with both synchronous and non-synchronous rectification.

  7. Question: What type of package does MP2481DH-LF-Z come in?
    Answer: MP2481DH-LF-Z is available in a QFN-16 (3x3mm) package.

  8. Question: Can MP2481DH-LF-Z operate in a wide temperature range?
    Answer: Yes, MP2481DH-LF-Z can operate in a wide temperature range from -40°C to 125°C.

  9. Question: Does MP2481DH-LF-Z have built-in thermal shutdown protection?
    Answer: Yes, MP2481DH-LF-Z includes built-in thermal shutdown protection.

  10. Question: What are the typical applications for MP2481DH-LF-Z?
    Answer: Typical applications for MP2481DH-LF-Z include industrial power supplies, automotive systems, and LED lighting.