MIC5209-3.3YU-TR

Product Overview

Category

The MIC5209-3.3YU-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 Output: 3.3V
• Package Type: SOT-223
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The MIC5209-3.3YU-TR has the following specifications:

• Input Voltage Range: 2.5V to 16V
• Dropout Voltage: 120mV at 150mA
• Output Current: 150mA
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.1% (typical)
• Quiescent Current: 75µA (typical)

Detailed Pin Configuration

The MIC5209-3.3YU-TR has three pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Low dropout voltage: The MIC5209-3.3YU-TR exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a typical quiescent current of only 75µA, this voltage regulator minimizes power consumption in standby or low-load conditions.
• Thermal shutdown protection: The device includes built-in thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact package size: The SOT-223 package allows for easy integration into various circuit designs.
• Wide input voltage range: The MIC5209-3.3YU-TR can accept input voltages ranging from 2.5V to 16V, making it versatile for different applications.
• Low dropout voltage: The low dropout voltage ensures efficient regulation even with small voltage differentials.

Disadvantages

• Limited output current: With a maximum output current of 150mA, this regulator may not be suitable for high-power applications.
• Single output voltage: The MIC5209-3.3YU-TR provides a fixed output voltage of 3.3V, limiting its flexibility in applications requiring adjustable voltages.

Working Principles

The MIC5209-3.3YU-TR operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. By adjusting the pass transistor's resistance, the regulator maintains a stable output voltage despite variations in the input voltage.

Detailed Application Field Plans

The MIC5209-3.3YU-TR finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: This voltage regulator is suitable for portable electronics that require a stable power supply from a battery source.
2. Microcontrollers and digital circuits: It can be used to provide a regulated voltage to power microcontrollers, digital logic circuits, and other sensitive components.
3. Communication systems: The MIC5209-3.3YU-TR can be employed in communication systems to ensure a stable voltage supply for reliable operation.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. LT1763-3.3: Another alternative offering lower dropout voltage and higher output current capability.
3. MCP1703-3.3: An alternative with a smaller package size and lower quiescent current.

These alternative models provide similar functionality and can be considered based on specific application requirements.

Word count: 409 words