MIC2920A-5.0WS

Product Overview

Category

The MIC2920A-5.0WS belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage Output: 5.0V
• Package Type: TO-263
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

The MIC2920A-5.0WS has the following specifications:

• Input Voltage Range: 6.0V to 26.0V
• Dropout Voltage: 380mV at 1.0A
• Output Current: 1.0A
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.2% (typical)
• Quiescent Current: 120µA (typical)

Pin Configuration

The detailed pin configuration of the MIC2920A-5.0WS is as follows:

```

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| | --| VIN GND|-- --| VOUT NC |-- |___________| ```

• VIN: Input Voltage
• GND: Ground
• VOUT: Output Voltage
• NC: No Connection

Functional Features

The MIC2920A-5.0WS offers the following functional features:

• Low dropout voltage: The regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Overcurrent protection: The device includes built-in protection against excessive current flow, preventing damage to the regulator and connected components.
• Thermal shutdown: In case of excessive temperature, the regulator automatically shuts down to prevent overheating and potential damage.
• Short-circuit protection: The regulator is designed to withstand short-circuit conditions without causing damage.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Overcurrent protection safeguards the regulator and connected components from damage.
• Thermal shutdown prevents overheating, enhancing the reliability of the device.
• Short-circuit protection ensures the stability and longevity of the regulator.

Disadvantages

• The TO-263 package may require additional space on the circuit board compared to smaller packages.
• The quiescent current of 120µA may be relatively high for power-sensitive applications.

Working Principles

The MIC2920A-5.0WS operates based on a linear voltage regulation principle. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a stable output voltage regardless of variations in the input voltage.

Detailed Application Field Plans

The MIC2920A-5.0WS is widely used in various electronic applications, including:

1. Power supply circuits: It provides a stable 5.0V output voltage for microcontrollers, sensors, and other digital components.
2. Battery-powered devices: The low dropout voltage makes it suitable for battery-operated devices where maximizing battery life is crucial.
3. Automotive electronics: It can be utilized in automotive systems to regulate voltage levels for various components such as sensors, actuators, and control modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC2920A-5.0WS include:

1. LM1117-5.0: A popular voltage regulator with a 5.0V output and low dropout voltage.
2. LT1763-5.0: Another voltage regulator with a 5.0V output and excellent line and load regulation characteristics.
3. ADP3339-5.0: A high-performance voltage regulator with a 5.0V output and low quiescent current.

These alternative models can be considered based on specific application requirements and desired performance characteristics.

In conclusion, the MIC2920A-5.0WS is a voltage regulator that offers stable and efficient voltage regulation for various electronic applications. Its low dropout voltage, overcurrent protection, and thermal shutdown features make it a reliable choice for power supply circuits, battery-powered devices, and automotive electronics. Alternative models such as LM1117-5.0, LT1763-5.0, and ADP3339-5.0 provide similar functionality and can be considered based on specific needs.