MIC5239-2.5BMM

Product Overview

Category

MIC5239-2.5BMM belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Package: The MIC5239-2.5BMM comes in a small surface-mount package.
• Essence: It is a low-dropout (LDO) voltage regulator.
• Packaging/Quantity: Typically, it is available in reels or tubes with a quantity of 2500 units per reel/tube.

Specifications

The specifications for MIC5239-2.5BMM are as follows:

• Output Voltage: 2.5V
• Input Voltage Range: 2.7V to 16V
• Dropout Voltage: 300mV at 150mA
• Quiescent Current: 75µA
• Load Regulation: ±0.1%
• Line Regulation: ±0.05%
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The pin configuration of MIC5239-2.5BMM is as follows:

```

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| | --| VIN VOUT |-- --| GND BYP |-- |___________| ```

Functional Features

The functional features of MIC5239-2.5BMM include:

• 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 provides precise voltage regulation under varying load and input conditions.
• Thermal shutdown protection: It includes built-in protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact size and surface-mount package make it suitable for space-constrained applications.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation provide stable output voltage.

Disadvantages

• Limited output voltage options, as it is fixed at 2.5V.
• Higher quiescent current compared to some other LDO regulators in the market.

Working Principles

MIC5239-2.5BMM operates based on the principle of regulating voltage through a feedback mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. The regulator uses a pass transistor to control the flow of current and regulate the voltage drop across it.

Detailed Application Field Plans

MIC5239-2.5BMM finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: It can be used in portable electronics such as smartphones, tablets, and wearable devices to ensure stable voltage supply.
2. Industrial automation: The regulator can be employed in control systems, sensors, and actuators to maintain consistent voltage levels.
3. Automotive electronics: It is suitable for automotive applications like infotainment systems, dashboard displays, and lighting modules.
4. Communication equipment: The regulator can be utilized in routers, switches, and network devices to regulate voltage for reliable operation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC5239-2.5BMM include:

1. LM1117-2.5: A popular LDO regulator with a fixed output voltage of 2.5V.
2. LT1763-2.5: Another low-dropout regulator providing a fixed 2.5V output voltage.
3. ADP3339-2.5: An LDO voltage regulator with a fixed 2.5V output and low quiescent current.

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

In conclusion, MIC5239-2.5BMM is a voltage regulator that offers stable voltage regulation, low dropout voltage, and excellent line and load regulation. It finds applications in various electronic devices and systems, providing reliable power supply. While it has limitations such as a fixed output voltage and higher quiescent current, alternative models are available to suit different design needs.