MIC5219-5.0YM5-TR

Introduction

The MIC5219-5.0YM5-TR is a voltage regulator belonging to the category of linear regulators. It is commonly used to provide a stable 5V output voltage from a higher input voltage source. This component 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: Providing stable 5V output voltage
• Characteristics: High accuracy, low dropout voltage, low quiescent current
• Package: SOT-23-5
• Essence: Voltage regulation
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.3V to 20V
• Output Voltage: 5V
• Maximum Output Current: 500mA
• Dropout Voltage: 350mV at 500mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The MIC5219-5.0YM5-TR has the following pin configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. EN (Enable) 5. VOUT (Output Voltage)

Functional Features

• Low Dropout Voltage: Allows the regulator to operate with small voltage differentials between the input and output.
• Low Quiescent Current: Minimizes power consumption when the regulator is in standby mode.
• Thermal Shutdown Protection: Prevents the device from overheating under excessive load or high ambient temperatures.

Advantages and Disadvantages

Advantages

• High accuracy and stability
• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection

Disadvantages

• Limited maximum output current (500mA)

Working Principles

The MIC5219-5.0YM5-TR operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant 5V output. When the input voltage exceeds the output voltage by the dropout voltage, the regulator enters dropout mode, where the pass transistor remains fully on to minimize dropout voltage.

Detailed Application Field Plans

The MIC5219-5.0YM5-TR is commonly used in the following applications: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the MIC5219-5.0YM5-TR include: - LM7805: A widely used linear regulator with similar characteristics - LT1763: Low dropout linear regulator with adjustable output voltage - TPS7A47: Ultra-low noise linear regulator for sensitive analog circuits

In conclusion, the MIC5219-5.0YM5-TR is a reliable linear regulator with high accuracy and low dropout voltage, making it suitable for various low-power applications.

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