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MIC284-3YM
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MIC284-3YM

Product Overview

Category

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

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and consistent output voltage.

Characteristics

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 1.21V to 55V
  • Package Type: SOIC-8
  • Operating Temperature Range: -40°C to 125°C
  • Low Dropout Voltage: 300mV at 300mA
  • Adjustable Output
  • Overcurrent and Thermal Protection

Package

The MIC284-3YM is available in a standard SOIC-8 package.

Essence

The essence of the MIC284-3YM lies in its ability to provide reliable voltage regulation in a compact and versatile package.

Packaging/Quantity

The MIC284-3YM is typically packaged in reels with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Output Voltage Range: 1.21V to 55V
  • Dropout Voltage: 300mV at 300mA
  • Output Current: 300mA
  • Quiescent Current: 120µA
  • Line Regulation: 0.05% (Typical)
  • Load Regulation: 0.2% (Typical)

Detailed Pin Configuration

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

Functional Features

  • Wide Input Voltage Range
  • Low Dropout Voltage
  • Adjustable Output Voltage
  • Overcurrent and Thermal Protection
  • Enable Pin for Power Savings

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for versatile applications
  • Low dropout voltage ensures efficient power conversion
  • Adjustable output voltage provides flexibility in design
  • Built-in protection features enhance reliability

Disadvantages

  • Limited output current may not be suitable for high-power applications
  • The SOIC-8 package may not be ideal for space-constrained designs

Working Principles

The MIC284-3YM utilizes a feedback control loop to maintain a stable output voltage regardless of variations in the input voltage or load conditions. When the enable pin is activated, the internal circuitry regulates the output voltage based on the feedback signal, providing a consistent and reliable power supply.

Detailed Application Field Plans

The MIC284-3YM is well-suited for various applications including: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Distributed power systems

Detailed and Complete Alternative Models

Some alternative models to the MIC284-3YM include: - MIC29150-3.3WT: Similar voltage regulator with higher output current capability - LM317: Adjustable linear voltage regulator with wide input voltage range - LT1763: Low dropout voltage regulator with adjustable output

In conclusion, the MIC284-3YM offers a versatile and reliable solution for voltage regulation in a wide range of electronic applications, despite its limitations in high-power scenarios. Its adjustable output, protection features, and compact package make it a valuable component for various designs.

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技術ソリューションにおける MIC284-3YM 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。

  1. What is the MIC284-3YM?

    • The MIC284-3YM is a high-efficiency, 3A synchronous step-down (buck) regulator with an input voltage range of 4.5V to 70V.

  2. What are the typical applications of the MIC284-3YM?

    • The MIC284-3YM is commonly used in automotive, industrial, and battery-powered systems for point-of-load regulation, power distribution, and general purpose step-down conversion.

  3. What is the maximum output current of the MIC284-3YM?

    • The MIC284-3YM can deliver up to 3A of continuous output current.

  4. What is the efficiency of the MIC284-3YM?

    • The MIC284-3YM offers high efficiency, typically over 90%, making it suitable for power-conscious applications.

  5. What is the input voltage range of the MIC284-3YM?

    • The MIC284-3YM has an input voltage range of 4.5V to 70V, allowing it to handle a wide variety of input sources.

  6. Does the MIC284-3YM have built-in protection features?

    • Yes, the MIC284-3YM includes overcurrent protection, thermal shutdown, and input undervoltage lockout for enhanced system reliability.

  7. Can the MIC284-3YM be used in automotive applications?

    • Yes, the MIC284-3YM is well-suited for automotive applications due to its wide input voltage range and robust design.

  8. What type of package does the MIC284-3YM come in?

    • The MIC284-3YM is available in a compact 16-pin MLF® package, which is ideal for space-constrained designs.

  9. Is the MIC284-3YM suitable for battery-powered systems?

    • Absolutely, the MIC284-3YM's high efficiency and wide input voltage range make it a great choice for battery-powered applications, helping to extend battery life.

  10. Are there any application notes or reference designs available for the MIC284-3YM?

    • Yes, Microchip provides comprehensive application notes and reference designs to assist engineers in implementing the MIC284-3YM in their technical solutions.