MIC2940A-5.0WU

Introduction

The MIC2940A-5.0WU is a voltage regulator belonging to the category of linear regulators. It is commonly used to provide a stable 5.0V output voltage from a higher input voltage source. This device is known for its high accuracy, low dropout voltage, and low quiescent current, making it suitable for various applications.

Basic Information Overview

• Category: Linear Regulator
• Use: Voltage Regulation
• Characteristics: High Accuracy, Low Dropout Voltage, Low Quiescent Current
• Package: TO-263, TO-220
• Essence: Stable Voltage Regulation
• Packaging/Quantity: Tape & Reel, 1000 units per reel

Specifications

• Input Voltage Range: Up to 26V
• Output Voltage: 5.0V
• Output Current: Up to 1A
• Dropout Voltage: 0.5V at 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MIC2940A-5.0WU has a standard 3-pin configuration with input, output, and ground pins. The pinout is as follows: 1. Input (VIN): Accepts the higher input voltage. 2. Ground (GND): Connected to the ground reference. 3. Output (VOUT): Provides the regulated 5.0V output.

Functional Features

• High Accuracy: Provides precise 5.0V output voltage.
• Low Dropout Voltage: Maintains regulation even with small input-output differentials.
• Low Quiescent Current: Minimizes power consumption in standby mode.

Advantages and Disadvantages

Advantages

• Precise voltage regulation
• Low dropout voltage
• Low power consumption

Disadvantages

• Limited maximum output current
• Higher heat dissipation compared to switching regulators

Working Principles

The MIC2940A-5.0WU utilizes a feedback control mechanism to maintain a constant 5.0V output voltage regardless of variations in the input voltage or load conditions. It achieves this by adjusting the pass transistor to regulate the output voltage.

Detailed Application Field Plans

This voltage regulator is widely used in applications requiring a stable 5.0V power supply, such as: - Microcontroller Systems - Sensor Modules - Portable Electronics - Battery-Powered Devices

Detailed and Complete Alternative Models

• LM7805: A classic linear regulator with similar specifications.
• L78M05: Another alternative with comparable performance.

In conclusion, the MIC2940A-5.0WU is a reliable linear voltage regulator offering precise and stable 5.0V output, making it suitable for various low-power electronic applications.

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