Microchip Technology
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
MIC29201-4.8WU
자세히보기 데이터시트

MIC29201-4.8WU

Product Overview

Category

The MIC29201-4.8WU belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • Low dropout voltage
  • High output current capability
  • Thermal shutdown protection
  • Short-circuit current limiting
  • Fast transient response

Package

The MIC29201-4.8WU comes in a TO-263 package.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage, even when the input voltage varies.

Packaging/Quantity

The MIC29201-4.8WU is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

  • Input Voltage Range: 4.75V to 26V
  • Output Voltage: 4.8V
  • Output Current: Up to 1.5A
  • Dropout Voltage: 380mV (typical)
  • Line Regulation: 0.04% (typical)
  • Load Regulation: 0.2% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC29201-4.8WU has the following pin configuration:

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

Functional Features

  • Low dropout voltage ensures efficient regulation even with small input-output differentials.
  • High output current capability allows it to power a wide range of devices.
  • Thermal shutdown protection prevents damage due to excessive temperature.
  • Short-circuit current limiting protects the regulator and the connected circuitry.
  • Fast transient response enables quick stabilization of the output voltage after load changes.

Advantages and Disadvantages

Advantages

  • Stable and regulated output voltage
  • Wide input voltage range
  • High output current capability
  • Thermal shutdown protection
  • Short-circuit current limiting
  • Fast transient response

Disadvantages

  • Dropout voltage may cause power dissipation in certain applications.
  • Limited to a fixed output voltage of 4.8V.

Working Principles

The MIC29201-4.8WU operates based on the principle of linear voltage regulation. It uses 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, even when the input voltage fluctuates.

Detailed Application Field Plans

The MIC29201-4.8WU finds applications in various fields, including:

  1. Power supply circuits for microcontrollers and other digital ICs.
  2. Battery-powered devices requiring stable voltage levels.
  3. Automotive electronics, such as infotainment systems and engine control units.
  4. Industrial automation systems.
  5. Communication equipment.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC29201-4.8WU include:

  1. LM1117-4.8: A low dropout voltage regulator with a fixed output voltage of 4.8V.
  2. LT1086-4.8: A high current, adjustable voltage regulator capable of providing an output voltage of 4.8V.
  3. TPS79648: A low dropout voltage regulator with a fixed output voltage of 4.8V and ultra-low noise performance.

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

Word count: 446 words

기술 솔루션에 MIC29201-4.8WU 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of MIC29201-4.8WU in technical solutions:

  1. Q: What is the MIC29201-4.8WU? A: The MIC29201-4.8WU is a low-dropout (LDO) voltage regulator IC that provides a fixed output voltage of 4.8V.

  2. Q: What is the input voltage range for the MIC29201-4.8WU? A: The input voltage range for the MIC29201-4.8WU is typically between 5.5V and 26V.

  3. Q: What is the maximum output current of the MIC29201-4.8WU? A: The MIC29201-4.8WU can provide a maximum output current of 1A.

  4. Q: Can the MIC29201-4.8WU be used in battery-powered applications? A: Yes, the MIC29201-4.8WU can be used in battery-powered applications as it has a low quiescent current and operates efficiently with low dropout voltage.

  5. Q: Does the MIC29201-4.8WU require any external components for operation? A: Yes, the MIC29201-4.8WU requires a few external components such as input and output capacitors for stability and filtering.

  6. Q: Is the MIC29201-4.8WU suitable for automotive applications? A: Yes, the MIC29201-4.8WU is designed to meet automotive specifications and can be used in automotive applications.

  7. Q: Can the MIC29201-4.8WU handle transient voltage spikes? A: Yes, the MIC29201-4.8WU has built-in protection features that allow it to handle transient voltage spikes and protect downstream components.

  8. Q: What is the thermal shutdown feature of the MIC29201-4.8WU? A: The MIC29201-4.8WU has a thermal shutdown feature that protects the IC from overheating by shutting down the output when the temperature exceeds a certain threshold.

  9. Q: Can the MIC29201-4.8WU be used in high-temperature environments? A: Yes, the MIC29201-4.8WU is designed to operate in a wide temperature range, including high-temperature environments.

  10. Q: Are there any recommended applications for the MIC29201-4.8WU? A: The MIC29201-4.8WU can be used in various applications such as industrial control systems, automotive electronics, battery-powered devices, and other low-voltage applications where a stable 4.8V power supply is required.

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 the manufacturer for detailed information and application-specific guidance.