MIC4576BT

Product Overview

Category

MIC4576BT belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Current limit protection
• Thermal shutdown protection

Package

MIC4576BT is available in a TO-220 package.

Essence

The essence of MIC4576BT lies in its ability to provide stable and regulated voltage output for various electronic devices.

Packaging/Quantity

MIC4576BT is typically sold in reels or tubes, with quantities varying depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Dropout Voltage: 0.5V (typical)
• Maximum Output Current: 3A
• Line Regulation: 0.02% (typical)
• Load Regulation: 0.04% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC4576BT has the following pin configuration:

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

Functional Features

• High Efficiency: MIC4576BT offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: The regulator maintains a low dropout voltage, ensuring stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for various applications.
• Current Limit Protection: MIC4576BT incorporates current limit protection, preventing excessive current flow that could damage the circuit.
• Thermal Shutdown Protection: In case of overheating, the regulator automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power dissipation.
• Wide input voltage range allows for versatile applications.
• Current limit protection safeguards the circuit from damage.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Dropout voltage may affect performance in low voltage applications.
• Limited maximum output current may restrict usage in high-power applications.

Working Principles

MIC4576BT operates based on the principle of linear voltage regulation. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

MIC4576BT finds applications in various fields, including but not limited to: - Power supply units for electronic devices - Battery charging circuits - Automotive electronics - Industrial control systems - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to MIC4576BT are: - LM317T - LT1084CP - LM7805 - LM1117-3.3

These models offer similar functionality and can be used as substitutes depending on specific requirements and availability.

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