Microchip Technology
画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
MIC4576-5.0WU
詳細を表示 DataSheets

MIC4576-5.0WU

Product Overview

Category

MIC4576-5.0WU belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Thermal shutdown protection
  • Current limit protection

Package

MIC4576-5.0WU is available in a TO-263 package, which provides excellent thermal performance.

Essence

The essence of MIC4576-5.0WU lies in its ability to provide a stable output voltage despite fluctuations in the input voltage.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 4.75V to 16V
  • Output Voltage: 5.0V
  • Output Current: Up to 3A
  • Dropout Voltage: 0.5V (typical)
  • Quiescent Current: 120µA (typical)

Detailed Pin Configuration

MIC4576-5.0WU has the following pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. FB: Feedback pin
  4. EN: Enable pin
  5. VOUT: Output voltage pin

Functional Features

  • High Efficiency: The MIC4576-5.0WU exhibits high efficiency, minimizing power dissipation and maximizing battery life.
  • Low Dropout Voltage: With a low dropout voltage, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
  • Wide Input Voltage Range: The wide input voltage range allows for flexibility in various applications.
  • Thermal Shutdown Protection: The device incorporates thermal shutdown protection, preventing damage due to excessive heat.
  • Current Limit Protection: MIC4576-5.0WU includes current limit protection, safeguarding the device and the connected circuitry from overcurrent conditions.

Advantages

  • Reliable voltage regulation
  • High efficiency operation
  • Compact package size
  • Wide input voltage range
  • Thermal and current protection features

Disadvantages

  • Limited output current capacity (up to 3A)
  • Dropout voltage may affect performance in low input voltage scenarios

Working Principles

MIC4576-5.0WU operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The device regulates the voltage by controlling the flow of current through a pass transistor.

Detailed Application Field Plans

MIC4576-5.0WU finds applications in various fields, including:

  1. Power supply units for electronic devices
  2. Battery-powered systems
  3. Automotive electronics
  4. Industrial control systems
  5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC4576-5.0WU include:

  1. LM317: A popular adjustable linear voltage regulator with a wide input voltage range.
  2. LT1084: A high-current, low dropout voltage regulator suitable for demanding applications.
  3. LM1117: A series of low dropout voltage regulators available in various fixed output voltages.

These alternative models can be considered based on specific requirements and design constraints.

Word count: 410 words

技術ソリューションにおける MIC4576-5.0WU 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。

Sure! Here are 10 common questions and answers related to the application of MIC4576-5.0WU in technical solutions:

  1. Q: What is MIC4576-5.0WU? A: MIC4576-5.0WU is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 5.0V.

  2. Q: What is the input voltage range for MIC4576-5.0WU? A: The input voltage range for MIC4576-5.0WU is typically between 7V and 60V.

  3. Q: What is the maximum output current of MIC4576-5.0WU? A: MIC4576-5.0WU can provide a maximum output current of up to 3A.

  4. Q: Can MIC4576-5.0WU be used in automotive applications? A: Yes, MIC4576-5.0WU is suitable for automotive applications as it can handle the required voltage and current levels.

  5. Q: Does MIC4576-5.0WU require any external components for operation? A: Yes, MIC4576-5.0WU requires a few external components such as input and output capacitors for stability and filtering.

  6. Q: Is MIC4576-5.0WU a linear or switching regulator? A: MIC4576-5.0WU is a switching regulator, which offers higher efficiency compared to linear regulators.

  7. Q: Can MIC4576-5.0WU tolerate overvoltage conditions? A: Yes, MIC4576-5.0WU has built-in protection features that allow it to withstand overvoltage conditions.

  8. Q: What is the typical efficiency of MIC4576-5.0WU? A: The typical efficiency of MIC4576-5.0WU is around 90%, making it an energy-efficient choice for power supply applications.

  9. Q: Can MIC4576-5.0WU operate in a wide temperature range? A: Yes, MIC4576-5.0WU is designed to operate reliably in a wide temperature range, typically from -40°C to +125°C.

  10. Q: Are there any recommended application circuits available for MIC4576-5.0WU? A: Yes, the datasheet of MIC4576-5.0WU provides several recommended application circuits that can be used as a reference for different scenarios.

Please note that these answers are general and may vary depending on specific design considerations and requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information and guidance.