MIC5255-3.1BM5-TR

Product Overview

Category

MIC5255-3.1BM5-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 3.1V
• Maximum Output Current: 150mA
• Dropout Voltage: 120mV at 100mA
• Low Quiescent Current: 40µA (typical)
• Low Shutdown Current: 0.1µA (typical)
• Thermal Shutdown Protection
• Short Circuit Protection
• Small Package Size: SOT-23-5

Packaging/Quantity

The MIC5255-3.1BM5-TR is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.3V to 5.5V
• Output Voltage: 3.1V ±2%
• Output Current: Up to 150mA
• Dropout Voltage: 120mV at 100mA
• Quiescent Current: 40µA (typical)
• Shutdown Current: 0.1µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Detailed Pin Configuration

The MIC5255-3.1BM5-TR has five pins arranged as follows:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Output (OUT) Pin 4: Feedback (FB) Pin 5: Input (IN) ```

Functional Features

• Voltage Regulation: The MIC5255-3.1BM5-TR provides a stable output voltage of 3.1V, regardless of input voltage fluctuations.
• Low Quiescent Current: With a typical quiescent current of only 40µA, this voltage regulator is suitable for low-power applications.
• Thermal Shutdown Protection: The device includes built-in thermal shutdown protection to prevent damage from excessive heat.
• Short Circuit Protection: The MIC5255-3.1BM5-TR incorporates short circuit protection, safeguarding the circuit from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for flexibility in various applications.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.
• Thermal shutdown and short circuit protection enhance reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Output voltage is fixed at 3.1V, limiting versatility in certain scenarios.

Working Principles

The MIC5255-3.1BM5-TR operates as a linear voltage regulator. It uses a feedback mechanism to maintain a constant output voltage of 3.1V. When the input voltage exceeds the desired output voltage, the regulator reduces it to the required level using a pass transistor. Conversely, if the input voltage drops below the desired output voltage, the regulator compensates by increasing the voltage.

Detailed Application Field Plans

The MIC5255-3.1BM5-TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to the MIC5255-3.1BM5-TR include: - LM1117-3.3: A 3.3V voltage regulator with similar characteristics and package size. - MCP1702-3302E: Another 3.3V voltage regulator with low quiescent current and thermal shutdown protection. - LP2985-33DBVR: A 3.3V voltage regulator in a SOT-23-5 package, offering low dropout voltage and low quiescent current.

These alternative models provide similar functionality and can be considered as substitutes for the MIC5255-3.1BM5-TR in various applications.

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