MIC2775-31BM5-TR

Product Overview

Category

MIC2775-31BM5-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: MIC2775-31BM5-TR ensures a stable output voltage regardless of input fluctuations.
• Efficiency: It offers high efficiency, minimizing power loss during voltage conversion.
• Low dropout voltage: The device operates with a low dropout voltage, enabling it to work with lower input voltages.
• Thermal shutdown protection: MIC2775-31BM5-TR includes thermal shutdown protection to prevent overheating.
• Small package size: It comes in a compact package, making it suitable for space-constrained applications.

Package and Quantity

MIC2775-31BM5-TR is available in a small SOT-23-5 package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage: 3.1V
• Dropout voltage: 150mV at 100mA load
• Maximum output current: 300mA
• Quiescent current: 60µA (typical)
• Operating temperature range: -40°C to +125°C

Pin Configuration

MIC2775-31BM5-TR has five pins arranged as follows:

```

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| | --| VOUT GND|-- --| VIN EN |-- |___________| ```

• VOUT: Output voltage pin
• GND: Ground pin
• VIN: Input voltage pin
• EN: Enable pin

Functional Features

1. Voltage Regulation: MIC2775-31BM5-TR maintains a constant output voltage of 3.1V, ensuring stable operation of connected devices.
2. Thermal Shutdown Protection: The device includes a thermal shutdown feature that safeguards against overheating, preventing damage to the regulator.
3. Low Dropout Voltage: With a low dropout voltage of 150mV at 100mA load, it can operate efficiently even with lower input voltages.
4. Enable Pin: The EN pin allows for easy control of the regulator's on/off state, conserving power when not in use.

Advantages and Disadvantages

Advantages

• High efficiency, minimizing power loss during voltage conversion.
• Compact package size, suitable for space-constrained applications.
• Thermal shutdown protection prevents overheating and damage.
• Low dropout voltage enables operation with lower input voltages.

Disadvantages

• Limited maximum output current of 300mA may not be sufficient for high-power applications.
• Input voltage range limited to 2.7V to 5.5V, restricting compatibility with wider voltage ranges.

Working Principles

MIC2775-31BM5-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 3.1V. The enable pin allows the user to control the regulator's on/off state, conserving power when not needed. The device also includes thermal shutdown protection, which activates if the temperature exceeds a certain threshold, preventing damage due to overheating.

Application Field Plans

MIC2775-31BM5-TR finds application in various electronic devices requiring stable voltage regulation. Some potential fields of application include:

1. Mobile Devices: Smartphones, tablets, and portable media players often require stable voltage levels for efficient operation.
2. IoT Devices: Internet of Things (IoT) devices such as sensors, wearables, and home automation systems benefit from reliable voltage regulation.
3. Battery-Powered Devices: MIC2775-31BM5-TR's low dropout voltage and efficiency make it suitable for battery-powered devices, extending battery life.

Alternative Models

1. MIC5205-3.1YM5-TR: Similar to MIC2775-31BM5-TR, this model offers a 3.1V output voltage with a higher maximum output current of 500mA.
2. LP2985-33DBVR: This alternative provides a 3.3V output voltage with a lower dropout voltage of 120mV at 100mA load.

These alternative models can be considered based on specific requirements and compatibility with the application.

In conclusion, MIC2775-31BM5-TR is a voltage regulator that ensures stable voltage levels in electronic devices. Its compact size, thermal shutdown protection, and low dropout voltage make it suitable for various applications. However, its limited maximum output current and input voltage range should be taken into consideration when selecting the appropriate regulator for specific needs.