MIC4576-5.0WU-TR

Product Overview

Category

MIC4576-5.0WU-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 MIC4576-5.0WU-TR provides a stable output voltage of 5.0V.
• 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: MIC4576-5.0WU-TR includes thermal shutdown protection, preventing damage due to excessive heat.
• Current Limiting: It incorporates current limiting functionality to protect the circuit from overcurrent conditions.

Package and Quantity

The MIC4576-5.0WU-TR is available in a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 7V to 42V
• Output Voltage: 5.0V
• Maximum Output Current: 3A
• Dropout Voltage: 1.2V (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4576-5.0WU-TR features a standard 5-pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Voltage Regulation: The MIC4576-5.0WU-TR maintains a constant output voltage of 5.0V, regardless of variations in the input voltage or load conditions.
• Overcurrent Protection: The device incorporates current limiting functionality to protect the circuit from excessive current flow.
• Thermal Shutdown Protection: MIC4576-5.0WU-TR includes a thermal shutdown feature that shuts down the regulator if the temperature exceeds safe limits, preventing damage.

Advantages

• High Efficiency: The voltage regulator offers high efficiency, reducing power dissipation and improving overall system performance.
• Wide Input Voltage Range: It can accept input voltages ranging from 7V to 42V, making it suitable for various applications.
• Compact Size: The small surface-mount package allows for space-saving integration into electronic circuits.

Disadvantages

• Dropout Voltage: The device has a relatively high dropout voltage of 1.2V, which may limit its use in low-power applications with tight voltage requirements.
• Limited Output Current: The maximum output current of 3A may not be sufficient for high-power applications.

Working Principles

MIC4576-5.0WU-TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Application Field Plans

The MIC4576-5.0WU-TR is widely used in various electronic devices and systems, including: - Power supplies for industrial equipment - Automotive electronics - Telecommunications equipment - Audio amplifiers - Battery-powered devices

Alternative Models

• LM317T: A popular alternative with adjustable output voltage.
• LT1084: Offers higher output current capability.
• LM7805: A widely used fixed 5V voltage regulator.

These alternative models provide similar functionality and can be considered as substitutes for the MIC4576-5.0WU-TR in different applications.

In conclusion, the MIC4576-5.0WU-TR is a voltage regulator that provides stable 5.0V output voltage with high efficiency and various protection features. It is commonly used in a wide range of electronic devices and has alternative models available for different application requirements.