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。
MIC29201-4.8BU TR
詳細を表示 DataSheets

MIC29201-4.8BU TR

Product Overview

Category

MIC29201-4.8BU TR belongs to the category of voltage regulators.

Use

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

Characteristics

  • Voltage regulation capability
  • Low dropout voltage
  • High output current
  • Thermal shutdown protection
  • Short-circuit protection

Package

MIC29201-4.8BU TR is available in a small outline package (SOT-223) which provides excellent thermal performance.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

MIC29201-4.8BU TR is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.5V to 26V
  • Output Voltage: 4.8V
  • Output Current: Up to 1A
  • Dropout Voltage: 350mV at 1A
  • Line Regulation: 0.04% typical
  • Load Regulation: 0.1% typical
  • Quiescent Current: 120µA typical
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC29201-4.8BU TR has the following pin configuration:

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

Functional Features

  • Voltage Regulation: The MIC29201-4.8BU TR ensures a stable output voltage of 4.8V regardless of input voltage fluctuations.
  • Low Dropout Voltage: With a dropout voltage of only 350mV at 1A, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
  • High Output Current: The device can deliver up to 1A of continuous output current, making it suitable for a wide range of applications.
  • Thermal Shutdown Protection: In case of excessive temperature rise, the regulator shuts down to prevent damage.
  • Short-Circuit Protection: The MIC29201-4.8BU TR is designed to withstand short-circuit conditions without any harm.

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage
  • Low dropout voltage ensures efficient operation
  • High output current capability
  • Thermal shutdown and short-circuit protection enhance reliability

Disadvantages

  • Limited output voltage options (fixed at 4.8V)
  • May require additional external components for specific applications

Working Principles

MIC29201-4.8BU TR operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MIC29201-4.8BU TR is widely used in various electronic applications, including but not limited to:

  1. Power supply modules for microcontrollers and digital circuits
  2. Battery-powered devices requiring stable voltage levels
  3. Automotive electronics
  4. Industrial control systems
  5. Communication equipment
  6. Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC29201-4.8BU TR include:

  1. LM1117-4.8: Fixed 4.8V voltage regulator with low dropout voltage.
  2. LT1761-4.8: Low dropout linear regulator with adjustable output voltage.
  3. TPS79625: Fixed 2.5V voltage regulator with high output current capability.

These alternatives can be considered based on specific application requirements and desired features.

Word count: 511 words

技術ソリューションにおける MIC29201-4.8BU TR 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 MIC29201-4.8BU TR in technical solutions:

1. What is MIC29201-4.8BU TR? MIC29201-4.8BU TR is a low-dropout voltage regulator (LDO) that provides a fixed output voltage of 4.8V.

2. What is the input voltage range for MIC29201-4.8BU TR? The input voltage range for MIC29201-4.8BU TR is typically between 4.75V and 26V.

3. What is the maximum output current of MIC29201-4.8BU TR? MIC29201-4.8BU TR can provide a maximum output current of 1A.

4. Is MIC29201-4.8BU TR suitable for battery-powered applications? Yes, MIC29201-4.8BU TR is suitable for battery-powered applications as it has a low dropout voltage and operates efficiently with low input voltages.

5. Can MIC29201-4.8BU TR handle high temperatures? Yes, MIC29201-4.8BU TR is designed to operate at high temperatures. It has a maximum junction temperature of 125°C.

6. Does MIC29201-4.8BU TR require any external components for operation? Yes, MIC29201-4.8BU TR requires a minimum of two external capacitors for stability: an input capacitor and an output capacitor.

7. What is the typical dropout voltage of MIC29201-4.8BU TR? The typical dropout voltage of MIC29201-4.8BU TR is around 350mV at 1A load current.

8. Can MIC29201-4.8BU TR be used in automotive applications? Yes, MIC29201-4.8BU TR is suitable for automotive applications as it meets the AEC-Q100 standard for automotive-grade products.

9. What are the protection features of MIC29201-4.8BU TR? MIC29201-4.8BU TR includes built-in protection features such as thermal shutdown and current limit protection.

10. Can MIC29201-4.8BU TR be used in both step-down and step-up voltage applications? No, MIC29201-4.8BU TR is specifically designed for step-down voltage applications and cannot be used for step-up voltage applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information and application-specific guidelines.