MIC4576-3.3WU-TR

Product Overview

Category

The MIC4576-3.3WU-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC4576-3.3WU-TR provides a stable output voltage of 3.3V.
• High efficiency: This voltage regulator offers high efficiency, minimizing power loss during operation.
• Low dropout voltage: The device has a low dropout voltage, ensuring reliable performance even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: The MIC4576-3.3WU-TR includes thermal shutdown protection, preventing damage due to excessive heat.
• Current limit protection: It also features current limit protection, safeguarding against overcurrent conditions.

Package

The MIC4576-3.3WU-TR comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

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

Packaging/Quantity

The MIC4576-3.3WU-TR is typically available in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 3.3V
• Output Current: Up to 3A
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 10mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC4576-3.3WU-TR has the following pin configuration:

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

Functional Features

• Voltage Regulation: The MIC4576-3.3WU-TR maintains a constant output voltage of 3.3V, regardless of variations in the input voltage.
• Load Regulation: It provides excellent load regulation, ensuring a stable output voltage even with varying loads.
• Thermal Shutdown Protection: The device includes thermal shutdown protection, which activates when the temperature exceeds a certain threshold, preventing damage to the regulator.
• Current Limit Protection: It incorporates current limit protection, safeguarding against excessive current draw and protecting the circuitry.

Advantages and Disadvantages

Advantages

• High efficiency, minimizing power loss
• Low dropout voltage for reliable performance
• Compact package suitable for space-constrained applications
• Thermal shutdown and current limit protection for enhanced reliability

Disadvantages

• Limited output current capacity (up to 3A)

Working Principles

The MIC4576-3.3WU-TR is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to ensure the desired output voltage is maintained. The device regulates the voltage by dissipating excess energy as heat, which is why it has a maximum operating temperature.

Detailed Application Field Plans

The MIC4576-3.3WU-TR finds applications in various electronic systems, including but not limited to: - Power supplies for microcontrollers and digital circuits - Battery-powered devices requiring a stable voltage source - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models to the MIC4576-3.3WU-TR include: - LM1117-3.3: A popular low dropout voltage regulator with similar specifications. - LT1086-3.3: A high-current linear regulator capable of delivering up to 5A. - TPS7A3301: An ultra-low dropout voltage regulator with excellent line and load regulation.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the MIC4576-3.3WU-TR is a voltage regulator that provides stable and regulated output voltage for various electronic applications. With its high efficiency, low dropout voltage, and protection features, it offers reliable performance in a compact package. However, it has a limited output current capacity. Alternative models such as LM1117-3.3, LT1086-3.3, and TPS7A3301 can be considered depending on specific needs.