MIC37301-3.3WR

Product Overview

Category

MIC37301-3.3WR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 3.3V
• Maximum Output Current: 1A
• Package Type: TO-263-5L
• Operating Temperature Range: -40°C to +125°C

Package and Quantity

MIC37301-3.3WR is available in a TO-263-5L package. It is typically sold in quantities of 100 units per package.

Specifications

• Input Voltage Range: 4.5V to 36V
• Output Voltage: 3.3V ±2%
• Output Current: Up to 1A
• Dropout Voltage: 300mV (typical)
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.05%/A
• Quiescent Current: 120µA (typical)
• Ripple Rejection: 70dB (typical)
• Thermal Shutdown Protection: Yes

Pin Configuration

The MIC37301-3.3WR has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation for stable output voltage.
• Built-in thermal shutdown protection prevents overheating.

Advantages

• High efficiency and low power dissipation.
• Compact package size for space-constrained designs.
• Wide operating temperature range for various environments.
• Reliable and robust performance.

Disadvantages

• Limited output current capacity of 1A.
• Requires external components for proper operation.
• Higher cost compared to some alternative models.

Working Principles

MIC37301-3.3WR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a stable output voltage.

Application Field Plans

The MIC37301-3.3WR is commonly used in various applications, including: - Power supplies for microcontrollers and digital circuits. - Battery-powered devices requiring regulated voltage. - Industrial control systems. - Automotive electronics. - Communication equipment.

Alternative Models

Some alternative models that offer similar functionality to MIC37301-3.3WR include: - LM1117-3.3: A popular low dropout voltage regulator. - LT1763-3.3: A high-performance linear regulator with low quiescent current. - TPS7A3301: An ultra-low noise, high PSRR linear regulator.

These alternatives can be considered based on specific requirements and design constraints.

In conclusion, MIC37301-3.3WR is a voltage regulator with a wide input voltage range, efficient power conversion, and stable output voltage. It finds applications in various fields, offering reliable performance. While it has certain limitations, there are alternative models available to suit different needs.