MIC5219-2.5BMM

Product Overview

Category

MIC5219-2.5BMM belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Package: The MIC5219-2.5BMM comes in a miniature SOT-23 package.
• Essence: It is a low-dropout (LDO) linear voltage regulator.
• Packaging/Quantity: Typically, it is available in reels of 3000 units.

Specifications

The MIC5219-2.5BMM has the following specifications:

• Output Voltage: 2.5V
• Input Voltage Range: 2.3V to 16V
• Dropout Voltage: 120mV at 150mA load current
• Quiescent Current: 75µA
• Line Regulation: 0.04%/V
• Load Regulation: 0.1%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5219-2.5BMM has three pins:

1. VIN: This pin is used to connect the input voltage.
2. GND: This pin is connected to the ground.
3. VOUT: This pin provides the regulated output voltage.

Functional Features

The key functional features of MIC5219-2.5BMM are as follows:

• Low dropout voltage: The regulator maintains a stable output voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: It consumes minimal current when there is no load, making it suitable for battery-powered applications.
• Excellent line and load regulation: The regulator maintains a consistent output voltage despite variations in input voltage and load conditions.
• Thermal shutdown protection: It includes built-in protection against excessive temperature, ensuring safe operation.

Advantages and Disadvantages

Advantages

• Compact size and lightweight.
• Wide input voltage range.
• Low dropout voltage.
• Excellent line and load regulation.
• Thermal shutdown protection.

Disadvantages

• Limited output current capacity.
• Higher cost compared to non-LDO regulators.

Working Principles

The MIC5219-2.5BMM operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The regulator compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC5219-2.5BMM finds applications in various electronic devices, including but not limited to:

1. Battery-powered devices: It is suitable for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial control systems: It can be used in automation equipment, sensors, and control modules.
3. Automotive electronics: It finds application in automotive control units, infotainment systems, and lighting modules.
4. Communication systems: It is useful in wireless routers, modems, and network switches.
5. Medical devices: It can be employed in medical instruments and diagnostic equipment.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5219-2.5BMM are:

1. LM1117-2.5: Manufactured by Texas Instruments.
2. LT1763-2.5: Manufactured by Linear Technology.
3. ADP3339-2.5: Manufactured by Analog Devices.
4. XC6206P252MR: Manufactured by Torex Semiconductor.

These alternatives have comparable specifications and can be considered based on specific application requirements.

In conclusion, the MIC5219-2.5BMM is a low-dropout linear voltage regulator with excellent performance characteristics. Its compact size, wide input voltage range, and thermal shutdown protection make it suitable for various electronic applications. However, its limited output current capacity and higher cost compared to non-LDO regulators should be taken into consideration during selection.