Microchip Technology
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MIC284-3BM
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MIC284-3BM

Product Overview

Category

The MIC284-3BM belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 24V
  • Maximum Output Current: 3A
  • Low Dropout Voltage: 330mV at 3A
  • Package: 8-pin SOIC
  • Operating Temperature Range: -40°C to 125°C

Packaging/Quantity

The MIC284-3BM is typically available in tape and reel packaging with a quantity of 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 0.8V to 24V
  • Maximum Output Current: 3A
  • Dropout Voltage: 330mV at 3A
  • Package: 8-pin SOIC
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. EN (Enable)
  4. NC (No Connection)
  5. FB (Feedback)
  6. NC (No Connection)
  7. VOUT (Output Voltage)
  8. NC (No Connection)

Functional Features

  • Wide input voltage range for versatile applications
  • Low dropout voltage for efficient power conversion
  • Enable pin for easy on/off control
  • Overcurrent and thermal protection for enhanced reliability

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for flexibility in design
  • Low dropout voltage ensures efficient power conversion
  • Enable pin provides convenient control over the regulator
  • Overcurrent and thermal protection enhance reliability in various operating conditions

Disadvantages

  • Limited maximum output current compared to some alternative models
  • The 8-pin SOIC package may not be suitable for space-constrained designs

Working Principles

The MIC284-3BM utilizes a feedback mechanism to regulate the output voltage based on the reference voltage. When the input voltage fluctuates, the feedback loop adjusts the output voltage to maintain a stable level, providing a consistent power supply to the connected load.

Detailed Application Field Plans

The MIC284-3BM is well-suited for a wide range of applications including: - Industrial automation systems - Automotive electronics - Portable electronic devices - Power management modules - Battery-powered equipment

Detailed and Complete Alternative Models

Some alternative models to the MIC284-3BM include: - LM317: A popular adjustable linear voltage regulator with similar characteristics - LT1086: A high-current positive voltage regulator with low dropout voltage - LM2940: A low dropout voltage regulator with fixed output options

In conclusion, the MIC284-3BM offers a versatile and reliable solution for voltage regulation in various electronic applications, with its wide input voltage range, low dropout voltage, and built-in protection features. While it may have limitations in terms of maximum output current and package size, it remains a competitive choice for many design scenarios.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MIC284-3BM في الحلول التقنية

  1. What is the MIC284-3BM?

    • The MIC284-3BM is a highly integrated synchronous buck regulator that provides high efficiency, excellent transient response, and high DC output accuracy for a wide range of applications.

  2. What is the input voltage range for the MIC284-3BM?

    • The input voltage range for the MIC284-3BM is typically 4.5V to 75V, making it suitable for a variety of power supply designs.

  3. What is the output current capability of the MIC284-3BM?

    • The MIC284-3BM can deliver up to 3A of continuous output current, making it suitable for powering a wide range of loads.

  4. What are the key features of the MIC284-3BM?

    • The key features of the MIC284-3BM include integrated MOSFETs, adjustable frequency operation, soft-start, and thermal shutdown protection, among others.

  5. What are the typical applications for the MIC284-3BM?

    • Typical applications for the MIC284-3BM include industrial, automotive, and telecom systems, as well as general-purpose point-of-load regulation.

  6. What is the efficiency of the MIC284-3BM?

    • The MIC284-3BM offers high efficiency, typically over 90%, which helps to minimize power dissipation and maximize battery life in portable applications.

  7. Does the MIC284-3BM require external compensation components?

    • No, the MIC284-3BM features internal compensation, simplifying the design and reducing the bill of materials.

  8. Can the output voltage of the MIC284-3BM be adjusted?

    • Yes, the output voltage of the MIC284-3BM can be easily adjusted using an external resistor divider.

  9. Is the MIC284-3BM available in a thermally enhanced package?

    • Yes, the MIC284-3BM is available in a thermally enhanced 16-pin TSSOP package, which helps to improve thermal performance in high-power applications.

  10. Where can I find more detailed information about the application of the MIC284-3BM?

    • Detailed information about the application of the MIC284-3BM can be found in the product datasheet, application notes, and technical support resources provided by the manufacturer.