MIC2940A-5.0WU-TR

Product Overview

Category

The MIC2940A-5.0WU-TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• High accuracy: The MIC2940A-5.0WU-TR provides a highly accurate output voltage.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Overcurrent and thermal protection: The regulator includes built-in protection mechanisms to prevent damage due to excessive current or temperature.

Package

The MIC2940A-5.0WU-TR comes in a TO-263 package, which is a surface-mount package with three pins.

Essence

The essence of this product lies in its ability to regulate voltage with high accuracy and efficiency.

Packaging/Quantity

The MIC2940A-5.0WU-TR is typically packaged in reels or tubes, containing a specific quantity of units per package.

Specifications

• Input Voltage Range: 6V to 26V
• Output Voltage: 5V
• Output Current: Up to 1A
• Dropout Voltage: 0.6V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC2940A-5.0WU-TR has three pins:

1. Vin (Pin 1): This pin is used to connect the input voltage.
2. GND (Pin 2): This pin is connected to the ground reference.
3. Vout (Pin 3): This pin provides the regulated output voltage.

Functional Features

• High accuracy voltage regulation.
• Low dropout voltage for efficient operation.
• Overcurrent and thermal protection for enhanced reliability.
• Fast transient response to sudden changes in load.

Advantages

• Provides a stable and accurate output voltage.
• Suitable for applications with low input voltage.
• Offers protection against overcurrent and excessive temperature.
• Compact surface-mount package for space-constrained designs.

Disadvantages

• Limited output current capacity (up to 1A).
• Requires external capacitors for stability.
• Not suitable for high-power applications.

Working Principles

The MIC2940A-5.0WU-TR 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 constant output voltage.

Detailed Application Field Plans

The MIC2940A-5.0WU-TR is commonly used in various electronic devices and circuits, including:

1. Power supplies for microcontrollers and other digital ICs.
2. Battery-powered systems requiring regulated voltage.
3. Automotive electronics.
4. Industrial control systems.
5. Audio amplifiers and preamplifiers.
6. LED lighting applications.

Detailed and Complete Alternative Models

1. LM7805: A popular alternative with similar specifications and pin configuration.
2. LT1084: Offers higher output current capability and lower dropout voltage.
3. ADP3339: Provides adjustable output voltage and higher accuracy.

These are just a few examples of alternative models available in the market, offering different features and performance characteristics.

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