Microchip Technology
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MIC384-3BMM
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MIC384-3BMM

Product Overview

Category: Integrated Circuit
Use: Voltage Regulator
Characteristics: Low dropout, high accuracy
Package: SOT-223
Essence: Regulates voltage with minimal dropout
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.5V to 36V
  • Output Voltage Range: 1.24V to 33V
  • Dropout Voltage: 300mV at 1A
  • Output Current: 1A
  • Line Regulation: 0.2%
  • Load Regulation: 0.4%
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)

Functional Features

  • Low dropout voltage
  • High accuracy over line and load variations
  • Thermal shutdown and current limit protection

Advantages and Disadvantages

Advantages: - Wide input voltage range - High accuracy - Thermal shutdown protection

Disadvantages: - Limited output current compared to some alternatives - Slightly higher dropout voltage than some competitors

Working Principles

The MIC384-3BMM is a low dropout voltage regulator that maintains a stable output voltage even when the input voltage is close to the desired output voltage. It achieves this by using a PNP pass transistor in a feedback loop to control the output voltage.

Detailed Application Field Plans

The MIC384-3BMM is suitable for various applications requiring a stable and accurate voltage supply, such as battery-powered devices, instrumentation, and automotive electronics. Its wide input voltage range makes it versatile for different power supply designs.

Detailed and Complete Alternative Models

  • MIC39100-3.3WS: Similar low dropout voltage regulator with higher output current capability
  • LM2940CT-5.0/NOPB: Low dropout voltage regulator with lower dropout voltage but slightly lower accuracy

This completes the English editing encyclopedia entry structure format for MIC384-3BMM, covering its product details, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Énumérez 10 questions et réponses courantes liées à l'application de MIC384-3BMM dans les solutions techniques

  1. What is MIC384-3BMM?

    • MIC384-3BMM is a high-efficiency, 3A synchronous buck (step-down) regulator with an input voltage range of 4.5V to 75V.

  2. What are the typical applications of MIC384-3BMM?

    • The typical applications of MIC384-3BMM include point-of-load regulation, distributed power systems, and general-purpose step-down regulation.

  3. What is the maximum output current of MIC384-3BMM?

    • The maximum output current of MIC384-3BMM is 3A.

  4. What is the input voltage range for MIC384-3BMM?

    • The input voltage range for MIC384-3BMM is 4.5V to 75V.

  5. What is the efficiency of MIC384-3BMM?

    • The efficiency of MIC384-3BMM is typically over 90% at full load.

  6. What protection features does MIC384-3BMM offer?

    • MIC384-3BMM offers protection features such as thermal shutdown, cycle-by-cycle current limit, and input undervoltage lockout.

  7. Can MIC384-3BMM be used in automotive applications?

    • Yes, MIC384-3BMM is suitable for automotive applications due to its wide input voltage range and robust design.

  8. What are the key benefits of using MIC384-3BMM in technical solutions?

    • The key benefits of using MIC384-3BMM include high efficiency, wide input voltage range, compact size, and integrated protection features.

  9. Does MIC384-3BMM require external components for operation?

    • MIC384-3BMM requires minimal external components for operation, making it suitable for space-constrained applications.

  10. Is MIC384-3BMM RoHS compliant?

    • Yes, MIC384-3BMM is RoHS compliant, ensuring environmental friendliness and regulatory compliance.