MIC5255-2.9BM5-TR

Product Overview

Category

The MIC5255-2.9BM5-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• The MIC5255-2.9BM5-TR is a low-dropout (LDO) voltage regulator.
• It operates with an input voltage range of 2.3V to 5.5V.
• The output voltage is fixed at 2.9V.
• It has a maximum output current of 150mA.
• This voltage regulator offers excellent line and load regulation.
• It features low quiescent current, making it suitable for battery-powered applications.
• The device provides thermal shutdown and current limit protection.

Package

The MIC5255-2.9BM5-TR comes in a small SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage, ensuring proper functioning of electronic devices.

Packaging/Quantity

The MIC5255-2.9BM5-TR is typically available in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 2.9V
• Maximum Output Current: 150mA
• Dropout Voltage: 200mV at 100mA
• Line Regulation: ±0.1%
• Load Regulation: ±0.4%
• Quiescent Current: 35µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5255-2.9BM5-TR has five pins arranged as follows:

```

---

| | --| |-- |____| ```

Pin Configuration: 1. VIN (Input Voltage) 2. GND (Ground) 3. NC (No Connection) 4. VOUT (Output Voltage) 5. BYP (Bypass Capacitor)

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Excellent line and load regulation provide stable output voltage under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Current limit protection safeguards the device from overcurrent situations.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Low quiescent current makes it suitable for battery-powered applications.
• Small package size enables space-saving designs.
• Excellent line and load regulation ensure stable performance.

Disadvantages

• Limited maximum output current may not be sufficient for high-power applications.
• Fixed output voltage may not be adjustable for specific requirements.

Working Principles

The MIC5255-2.9BM5-TR operates based on the principle of a low-dropout voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The device compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The MIC5255-2.9BM5-TR finds application in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices - Medical equipment - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MIC5255-2.9BM5-TR include: - LM1117-2.9 - MCP1700-2.9 - TPS78229

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

In conclusion, the MIC5255-2.9BM5-TR is a low-dropout voltage regulator that provides stable and regulated output voltage for electronic circuits. With its wide input voltage range, low quiescent current, and compact package, it offers advantages in various applications. However, its limited maximum output current and fixed output voltage should be considered when selecting alternative models for specific requirements.