MIC2777-31BM5-TR

Product Overview

Category

MIC2777-31BM5-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: MIC2777-31BM5-TR ensures a stable output voltage, regardless of input fluctuations.
• Efficiency: It operates with high efficiency, minimizing power loss.
• Compact package: The product comes in a small form factor, making it suitable for space-constrained applications.
• Low quiescent current: It consumes minimal current when not actively regulating voltage.
• Thermal shutdown protection: It includes built-in protection mechanisms to prevent overheating.

Package and Quantity

MIC2777-31BM5-TR is available in a surface-mount SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input voltage range: 2.7V to 5.5V
• Output voltage: 3.1V
• Output current: Up to 100mA
• Dropout voltage: 200mV at 100mA
• Quiescent current: 40µA (typical)
• Operating temperature range: -40°C to +85°C

Pin Configuration

The MIC2777-31BM5-TR has five pins arranged as follows:

```

---

| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: No Connection --| NC NC |-- Pin 4: No Connection --| VIN GND |-- Pin 5: Input Voltage |___________| ```

Functional Features

• Voltage Regulation: MIC2777-31BM5-TR maintains a constant output voltage of 3.1V, ensuring stable operation of connected devices.
• Enable Pin: The product includes an enable pin that allows the user to control the regulator's operation. When the enable pin is low, the regulator enters a low-power shutdown mode.
• Thermal Shutdown Protection: To prevent damage due to excessive heat, the MIC2777-31BM5-TR incorporates thermal shutdown protection. If the temperature exceeds a certain threshold, the regulator shuts down until it cools down.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Compact package enables use in space-constrained applications.
• Low quiescent current minimizes standby power consumption.
• Thermal shutdown protection prevents overheating and potential damage.

Disadvantages

• Limited output current capacity (up to 100mA).
• Fixed output voltage may not be suitable for all applications requiring variable voltages.

Working Principles

MIC2777-31BM5-TR operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage. Any deviation from the desired output voltage is corrected by adjusting the internal circuitry to maintain a stable output.

Detailed Application Field Plans

The MIC2777-31BM5-TR finds application in various electronic devices, including but not limited to: - Mobile phones - Portable media players - Wearable devices - IoT devices - Battery-powered devices

Alternative Models

Several alternative models are available that offer similar functionality to the MIC2777-31BM5-TR. Some notable alternatives include: - LM317: A popular adjustable linear voltage regulator. - LT1763: Low dropout linear regulator with adjustable output voltage. - TPS7A47: High-performance, low-noise linear regulator.

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

In conclusion, the MIC2777-31BM5-TR is a voltage regulator that provides stable output voltage, high efficiency, and thermal protection. It is commonly used in various electronic devices and has several alternative models available for consideration.