MIC4576WU-TR

Product Overview

Category

MIC4576WU-TR belongs to the category of voltage regulators.

Use

The MIC4576WU-TR is commonly used as a low dropout (LDO) voltage regulator in various electronic devices and systems.

Characteristics

• Low dropout voltage: The MIC4576WU-TR exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High current capability: This voltage regulator can handle high currents, making it suitable for power-hungry applications.
• Thermal shutdown protection: The MIC4576WU-TR incorporates thermal shutdown protection, which prevents the device from overheating and getting damaged.
• Adjustable output voltage: It offers the flexibility to adjust the output voltage according to the specific requirements of the application.

Package

The MIC4576WU-TR is available in a TO-263 package, also known as D2PAK. This package provides excellent thermal dissipation capabilities, ensuring efficient operation even under high load conditions.

Essence

The essence of the MIC4576WU-TR lies in its ability to provide stable and regulated output voltage, even with low input voltages and high current demands.

Packaging/Quantity

The MIC4576WU-TR is typically packaged in reels or tubes, containing a specified quantity of units per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 15V
• Dropout Voltage: 0.45V (typical)
• Maximum Output Current: 3A
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MIC4576WU-TR features a standard three-pin configuration:

1. VIN - Input voltage pin
2. GND - Ground pin
3. VOUT - Output voltage pin

Functional Features

• Low dropout voltage ensures stable output voltage regulation even with low input voltages.
• High current capability allows for powering demanding loads.
• Thermal shutdown protection prevents overheating and damage to the device.
• Adjustable output voltage provides flexibility for different application requirements.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient regulation in low input voltage scenarios.
• High current capability makes it suitable for power-hungry applications.
• Thermal shutdown protection enhances reliability and safeguards against overheating.

Disadvantages

• Limited output voltage range compared to some other voltage regulators.
• Higher cost compared to standard linear regulators.

Working Principles

The MIC4576WU-TR operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The feedback mechanism continuously monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC4576WU-TR finds applications in various fields, including but not limited to: - Power supplies for microcontrollers and digital circuits - Battery-powered devices requiring stable voltage regulation - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC4576WU-TR include: - LM1117-ADJ - LT1085CT - TPS7A4700

These models provide comparable features and can be considered as alternatives depending on specific application requirements.

In conclusion, the MIC4576WU-TR is a voltage regulator that offers low dropout voltage, high current capability, and thermal shutdown protection. It is commonly used in various electronic devices and systems requiring stable and regulated voltage outputs.