MIC5205-2.9YM5-TR

Product Overview

Category

The MIC5205-2.9YM5-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Low dropout voltage: The MIC5205-2.9YM5-TR has a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• High accuracy: This voltage regulator provides precise and stable output voltage, ensuring reliable performance of connected devices.
• Low quiescent current: The device consumes minimal current when in standby mode, conserving power and extending battery life.
• Thermal shutdown protection: The MIC5205-2.9YM5-TR includes built-in thermal shutdown protection, preventing damage due to excessive heat.

Package

The MIC5205-2.9YM5-TR is available in a small surface-mount SOT-23 package, which is widely used in compact electronic designs.

Essence

This voltage regulator is designed to provide a regulated output voltage from an unregulated input voltage source.

Packaging/Quantity

The MIC5205-2.9YM5-TR is typically packaged in reels or tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 2.9V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5205-2.9YM5-TR has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Regulated output voltage pin.

Functional Features

• Voltage Regulation: The MIC5205-2.9YM5-TR maintains a stable output voltage of 2.9V, regardless of variations in the input voltage or load conditions.
• Short Circuit Protection: The device includes short circuit protection, safeguarding against excessive current and preventing damage to the regulator and connected devices.
• Reverse Polarity Protection: The voltage regulator is designed with reverse polarity protection, ensuring that it remains unaffected by incorrect connection of the input voltage.

Advantages and Disadvantages

Advantages

• Low dropout voltage enables efficient operation.
• High accuracy ensures reliable performance.
• Low quiescent current conserves power.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• SOT-23 package may require additional space on the PCB compared to smaller packages.

Working Principles

The MIC5205-2.9YM5-TR utilizes a combination of internal circuitry, including a voltage reference, error amplifier, and pass transistor, to regulate the output voltage. It compares the feedback voltage with the reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The MIC5205-2.9YM5-TR finds application in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. LM1117-2.9: A popular alternative with similar specifications and features.
2. MCP1702-2.9: Another alternative offering low dropout voltage and high accuracy.
3. LT1763-2.9: A high-performance alternative with additional features such as adjustable output voltage.

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

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