MIC4575-3.3BU TR

Product Overview

Category

The MIC4575-3.3BU TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC4575-3.3BU TR provides a fixed output voltage of 3.3V.
• High efficiency: It offers high efficiency conversion, minimizing power loss.
• Low dropout voltage: The regulator can operate with a low input-output voltage differential.
• Thermal shutdown protection: It includes built-in thermal shutdown protection to prevent overheating.

Package

The MIC4575-3.3BU TR is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The product is typically packaged in reels or tubes, containing a specific quantity per package.

Specifications

• Input Voltage Range: 4.5V to 16V
• Output Voltage: 3.3V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.6V (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC4575-3.3BU TR has the following pin configuration:

```

---

| | --| VIN GND |-- --| VOUT EN |-- |_______________| ```

• VIN: Input voltage
• GND: Ground
• VOUT: Output voltage
• EN: Enable pin (active high)

Functional Features

• Voltage Regulation: The MIC4575-3.3BU TR maintains a constant output voltage of 3.3V, regardless of input voltage fluctuations.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow.
• Thermal Shutdown: The regulator includes thermal shutdown protection to safeguard against overheating.
• Enable Pin: The EN pin allows for easy on/off control of the regulator.

Advantages and Disadvantages

Advantages

• High efficiency conversion minimizes power loss.
• Low dropout voltage enables operation with low input-output voltage differential.
• Compact surface-mount package facilitates space-saving designs.
• Built-in thermal shutdown protection ensures safe operation.

Disadvantages

• Limited output current capacity (up to 1.5A).
• Fixed output voltage may not be suitable for all applications requiring variable voltages.

Working Principles

The MIC4575-3.3BU TR operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. The regulator regulates the voltage by dissipating excess energy as heat.

Detailed Application Field Plans

The MIC4575-3.3BU TR finds applications in various electronic devices and systems, including but not limited to: - Power supplies for microcontrollers and digital circuits - Battery-powered devices - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC4575-3.3BU TR include: - LM1117-3.3: A popular 3.3V linear voltage regulator from Texas Instruments. - LT1763-3.3: A low dropout 3.3V regulator from Linear Technology. - NCP1117-3.3: A fixed output voltage regulator from ON Semiconductor.

These alternative models provide comparable features and can be considered as substitutes based on specific application requirements.

Word count: 490 words