MIC4681-2.5BM TR

Product Overview

Category

The MIC4681-2.5BM 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 regulation: The MIC4681-2.5BM TR provides a stable output voltage of 2.5V.
• Efficiency: It offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low dropout voltage: The regulator has a low dropout voltage, allowing it to operate even when the input voltage is close to the desired output voltage.
• Thermal shutdown protection: The device includes thermal shutdown protection to prevent damage due to excessive heat.
• Current limit protection: It incorporates current limit protection to safeguard against excessive current flow.

Package

The MIC4681-2.5BM TR comes in a compact surface-mount package, making it suitable for space-constrained applications.

Essence

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

Packaging/Quantity

The regulator is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 2.5V
• Output Current: Up to 500mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC4681-2.5BM TR features a standard three-pin configuration:

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

Functional Features

• Voltage Regulation: The MIC4681-2.5BM TR maintains a constant output voltage of 2.5V, regardless of variations in the input voltage.
• Current Limit Protection: It incorporates current limit protection to prevent excessive current flow, ensuring the safety of connected devices.
• Thermal Shutdown Protection: The regulator includes thermal shutdown protection, which activates when the temperature exceeds a certain threshold, preventing damage due to overheating.

Advantages and Disadvantages

Advantages

• Provides stable and regulated output voltage
• High efficiency, minimizing power loss
• Low dropout voltage allows operation with low input-output voltage differentials
• Compact surface-mount package for space-constrained applications
• Incorporates current limit and thermal shutdown protection for enhanced safety

Disadvantages

• Limited output current capacity (up to 500mA)
• Requires an external input capacitor for optimal performance

Working Principles

The MIC4681-2.5BM TR operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 2.5V. The device regulates the voltage by controlling the flow of current through a pass transistor, ensuring a stable output voltage despite fluctuations in the input voltage.

Detailed Application Field Plans

The MIC4681-2.5BM TR finds application in various electronic systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

• LM1117-2.5: A popular alternative with similar specifications and features.
• LT1763-2.5: Another alternative offering high accuracy and low dropout voltage.
• TPS79625: An alternative with a higher output current capability.

These alternative models provide similar voltage regulation capabilities and can be considered as substitutes for the MIC4681-2.5BM TR, depending on specific application requirements.

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