MIC2940A-5.0BT

Product Overview

Category

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

Use

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

Characteristics

• The MIC2940A-5.0BT is a low-dropout voltage regulator.
• It has a fixed output voltage of 5.0V.
• This regulator can provide up to 1A of output current.
• It operates within a wide input voltage range, typically from 7V to 26V.
• The device offers excellent line and load regulation.
• It features thermal shutdown and current limit protection mechanisms.

Package

The MIC2940A-5.0BT comes in a TO-220 package, which is a widely used through-hole package for power devices.

Essence

The essence of the MIC2940A-5.0BT is its ability to regulate voltage with low dropout, providing a stable 5.0V output even when the input voltage varies.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity per package. Please refer to the manufacturer's datasheet for detailed packaging information.

Specifications

• Output Voltage: 5.0V
• Output Current: Up to 1A
• Input Voltage Range: 7V to 26V
• Dropout Voltage: Typically 0.6V at 1A
• Line Regulation: Typically 0.01%/V
• Load Regulation: Typically 0.04%/A
• Thermal Shutdown: Yes
• Current Limit Protection: Yes

Detailed Pin Configuration

The MIC2940A-5.0BT has three pins:

1. Vin (Pin 1): Input voltage pin.
2. Vout (Pin 2): Output voltage pin.
3. GND (Pin 3): Ground pin.

Functional Features

• Low dropout voltage: The MIC2940A-5.0BT can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• High output current capability: It can provide up to 1A of output current, making it suitable for various applications.
• Excellent line and load regulation: This regulator maintains a consistent output voltage despite variations in input voltage or changes in load conditions.
• Thermal shutdown protection: The device includes a thermal shutdown mechanism that protects it from overheating.
• Current limit protection: It also incorporates a current limit feature to prevent excessive current flow.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures stable output even with varying input voltage.
• High output current capability allows for versatile applications.
• Excellent line and load regulation provides consistent performance.
• Thermal shutdown and current limit protection enhance reliability.

Disadvantages

• The TO-220 package may require additional space on the PCB compared to surface-mount packages.
• The fixed output voltage of 5.0V may not be suitable for all applications requiring different voltage levels.

Working Principles

The MIC2940A-5.0BT operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. By adjusting the resistance within the regulator, it maintains a constant output voltage regardless of variations in the input voltage.

Detailed Application Field Plans

The MIC2940A-5.0BT finds applications in various fields, including but not limited to: - Power supply circuits for microcontrollers and other digital ICs. - Battery-powered devices requiring stable voltage regulation. - Automotive electronics. - Industrial control systems. - Audio amplifiers and preamplifiers. - LED lighting applications.

Detailed and Complete Alternative Models

• LM2940-5.0: A similar low-dropout voltage regulator with a fixed 5.0V output.
• LT1086-5.0: Another option for a 5.0V linear voltage regulator with low dropout characteristics.
• ADP3339-5.0: An alternative choice offering a fixed 5.0V output and high output current capability.

Please note that the above list is not exhaustive, and there are several other alternative models available in the market.

In conclusion, the MIC2940A-5.0BT is a low-dropout voltage regulator designed to provide a stable 5.0V output with excellent line and load regulation. Its high output current capability, thermal shutdown protection, and current limit features make it suitable for various applications in different fields.