MIC5219-2.8YM5-TR

Product Overview

Category

MIC5219-2.8YM5-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The MIC5219-2.8YM5-TR provides a stable output voltage of 2.8V.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal current when not delivering power.
• Thermal shutdown protection: It includes built-in protection against excessive heat.

Package

The MIC5219-2.8YM5-TR comes in a compact SOT-23-5 package, which is widely used for surface mount applications.

Essence

This voltage regulator is designed to ensure a reliable and constant power supply to various electronic devices.

Packaging/Quantity

The MIC5219-2.8YM5-TR is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 16V
• Output Voltage: 2.8V
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5219-2.8YM5-TR has five pins arranged as follows:

1. GND (Ground): Connected to the ground reference of the circuit.
2. VIN (Input Voltage): Receives the input voltage to be regulated.
3. VOUT (Output Voltage): Provides the regulated output voltage of 2.8V.
4. BYP (Bypass): Connects an external capacitor for stability enhancement.
5. EN (Enable): Controls the regulator's on/off state.

Functional Features

• Voltage Regulation: The MIC5219-2.8YM5-TR maintains a stable output voltage of 2.8V, even with varying input voltages.
• Low Dropout Voltage: It can operate efficiently with a small voltage difference between the input and output.
• Low Quiescent Current: The regulator consumes minimal current when not actively delivering power, conserving energy.
• Thermal Shutdown Protection: It includes built-in protection to prevent damage from excessive heat.

Advantages and Disadvantages

Advantages

• Provides a stable output voltage for electronic circuits.
• Suitable for low-power applications due to its low quiescent current.
• Compact package allows for easy integration into space-constrained designs.
• Offers thermal shutdown protection, enhancing reliability.

Disadvantages

• Limited to an output voltage of 2.8V, which may not be suitable for all applications.
• Dropout voltage of 120mV may affect performance in certain scenarios.

Working Principles

The MIC5219-2.8YM5-TR operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 2.8V. The regulator achieves this by dissipating excess voltage as heat, resulting in a dropout voltage of 120mV.

Detailed Application Field Plans

The MIC5219-2.8YM5-TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable audio players - Wireless communication modules - Embedded systems - IoT devices

Detailed and Complete Alternative Models

1. LM1117-2.8: A popular alternative with similar specifications and pin configuration.
2. MCP1700-2.8: Another alternative offering low quiescent current and thermal shutdown protection.
3. LT1761-2.8: Provides a lower dropout voltage compared to the MIC5219-2.8YM5-TR.

These alternatives can be considered based on specific requirements and design constraints.

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