MIC29312WU-TR

Product Overview

Category

MIC29312WU-TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate voltage levels and provide a stable power supply.

Characteristics

• High current capability
• Low dropout voltage
• Thermal shutdown protection
• Current limit protection
• Adjustable output voltage

Package

MIC29312WU-TR is available in a TO-263 package, also known as D2PAK. This package provides excellent thermal performance and allows for easy mounting on printed circuit boards.

Essence

The essence of MIC29312WU-TR lies in its ability to regulate voltage efficiently and reliably, ensuring the proper functioning of electronic devices.

Packaging/Quantity

This product is typically sold in reels or tubes containing a specified quantity of units, such as 1000 pieces per reel.

Specifications

• Input Voltage Range: 4.5V to 26V
• Output Voltage Range: 1.25V to 20V
• Maximum Output Current: 3A
• Dropout Voltage: 450mV at 3A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC29312WU-TR has the following pin configuration:

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

Functional Features

• High Current Capability: The MIC29312WU-TR can handle high output currents up to 3A, making it suitable for power-hungry applications.
• Low Dropout Voltage: With a low dropout voltage of 450mV at 3A, this regulator minimizes power dissipation and maximizes efficiency.
• Thermal Shutdown Protection: The device incorporates a thermal shutdown feature that protects it from overheating, ensuring its longevity and reliability.
• Current Limit Protection: MIC29312WU-TR includes current limit protection, preventing excessive current flow and safeguarding the connected circuitry.
• Adjustable Output Voltage: The output voltage can be adjusted within a range of 1.25V to 20V, providing flexibility for various applications.

Advantages and Disadvantages

Advantages

• High current capability allows for powering demanding loads.
• Low dropout voltage minimizes power dissipation.
• Thermal shutdown protection ensures device safety.
• Adjustable output voltage provides versatility.

Disadvantages

• Limited input voltage range (4.5V to 26V).
• Quiescent current of 120µA may not be suitable for ultra-low power applications.

Working Principles

MIC29312WU-TR operates based on the principle of linear voltage regulation. It uses a pass transistor in conjunction with feedback circuitry to maintain a stable output voltage despite variations in the input voltage and load conditions. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to regulate the output voltage at the desired level.

Detailed Application Field Plans

MIC29312WU-TR finds applications in various fields, including but not limited to: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC29312WU-TR include: - LM1117-3.3: A fixed-output voltage regulator with a maximum output current of 800mA. - LT1086: A high-current adjustable voltage regulator capable of delivering up to 5A of output current. - TPS7A4700: An ultra-low-noise, high-PSRR (Power Supply Rejection Ratio) voltage regulator suitable for sensitive audio applications.

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

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