MIC4575WT

Product Overview

Category

MIC4575WT belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

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

Package

MIC4575WT comes in a TO-220 package.

Essence

The essence of MIC4575WT lies in its ability to provide stable and regulated voltage output.

Packaging/Quantity

It is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V (typical)
• Quiescent Current: 120µA (typical)

Detailed Pin Configuration

MIC4575WT has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. ADJ: Adjust pin for setting the output voltage
4. VOUT: Output voltage pin

Functional Features

• Adjustable output voltage through the ADJ pin
• Overcurrent protection with current limit feature
• Thermal shutdown protection to prevent overheating
• Fast transient response for sudden load changes
• Low dropout voltage for efficient power conversion

Advantages

• High efficiency leads to reduced power dissipation
• Wide input voltage range allows for versatile applications
• Adjustable output voltage provides flexibility
• Robust protection features ensure device safety
• Compact TO-220 package facilitates easy integration

Disadvantages

• Limited maximum output current compared to some other models
• Higher dropout voltage compared to certain alternatives

Working Principles

MIC4575WT 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 pins. The adjustable output voltage is set using an external resistor connected to the ADJ pin.

Detailed Application Field Plans

MIC4575WT finds applications in various fields, including but not limited to:

1. Power supply units for computer systems
2. Battery charging circuits
3. Industrial automation systems
4. Automotive electronics
5. Telecommunications equipment
6. Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MIC4575WT are:

1. LM317: A popular adjustable voltage regulator with similar features.
2. LT1084: Offers higher maximum output current compared to MIC4575WT.
3. LM1117: Provides low dropout voltage and adjustable output voltage.
4. LM7805: Fixed output voltage regulator commonly used in electronic circuits.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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