MIC2941AWU-TR

Introduction

The MIC2941AWU-TR is a voltage regulator belonging to the category of linear regulators. It is commonly used in electronic circuits to provide a stable and regulated output voltage from an unregulated input voltage source. This entry provides an overview of the basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models of the MIC2941AWU-TR.

Basic Information Overview

• Category: Linear Regulator
• Use: Provides stable and regulated output voltage
• Characteristics: Low dropout voltage, high accuracy, low quiescent current
• Package: TO-263-5 (D2PAK)
• Essence: Voltage regulation
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.75V to 26V
• Output Voltage Range: 1.25V to 26V
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 120µA
• Output Current: 1A
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MIC2941AWU-TR has a total of five pins: 1. VIN: Input voltage 2. GND: Ground 3. ADJ: Adjust pin for setting output voltage 4. BYPASS: Bypass capacitor connection 5. VOUT: Regulated output voltage

Functional Features

• Low Dropout Voltage: Allows operation with very small input-output differentials
• Current Limiting and Thermal Shutdown: Protects the device during fault conditions
• Stable with Low ESR Capacitors: Ensures stability with low-cost ceramic capacitors

Advantages and Disadvantages

Advantages

• High accuracy and low dropout voltage
• Low quiescent current for improved efficiency
• Thermal shutdown protection for enhanced reliability

Disadvantages

• Limited maximum output current compared to some other regulators
• Requires an external bypass capacitor for stability

Working Principles

The MIC2941AWU-TR operates by comparing the reference voltage to the divided-down output voltage and adjusting the pass element to maintain a constant output voltage. It utilizes a PNP pass transistor to regulate the output voltage and includes internal current limiting and thermal shutdown protection mechanisms.

Detailed Application Field Plans

The MIC2941AWU-TR is widely used in various applications such as: - Battery-powered devices - Portable instruments - Automotive electronics - Industrial control systems - Distributed power systems

Detailed and Complete Alternative Models

Some alternative models to the MIC2941AWU-TR include: - LM2941 - LT1086 - ADP3338

In summary, the MIC2941AWU-TR is a versatile linear regulator with excellent characteristics suitable for a wide range of applications, providing stable and regulated output voltage with high accuracy and efficiency.

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