MIC5239-5.0BMM

Product Overview

Category

MIC5239-5.0BMM belongs to the category of voltage regulators.

Use

The primary use of MIC5239-5.0BMM is to regulate voltage in electronic circuits.

Characteristics

• Package: The MIC5239-5.0BMM comes in a small outline package (SOT-23-5).
• Essence: It is a low-dropout linear voltage regulator.
• Packaging/Quantity: The product is typically available in reels, with 3000 units per reel.

Specifications

The specifications of MIC5239-5.0BMM are as follows:

• Output Voltage: 5.0V
• Dropout Voltage: 200mV at 150mA
• Maximum Input Voltage: 16V
• Quiescent Current: 75µA
• Line Regulation: 0.04%/V
• Load Regulation: 0.1%/mA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The pin configuration of MIC5239-5.0BMM is as follows:

```

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| | --| V IN|-- Pin 1 --| GND |-- Pin 2 --| V OUT|-- Pin 3 |____| --| EN |-- Pin 4 --| BYP |-- Pin 5 ```

Functional Features

The functional features of MIC5239-5.0BMM 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: The device consumes minimal current when in standby mode, conserving power.
• Thermal shutdown protection: The regulator automatically shuts down if the temperature exceeds the safe operating range, preventing damage to the device.
• Short-circuit protection: MIC5239-5.0BMM is designed to withstand short-circuit conditions without causing any harm.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Low dropout voltage ensures efficient power conversion.
• Small package size allows for space-saving designs.
• Wide operating temperature range enables usage in various environments.

Disadvantages

• Limited maximum input voltage of 16V may not be suitable for certain applications requiring higher voltages.
• Quiescent current of 75µA might be relatively high for ultra-low-power applications.

Working Principles

MIC5239-5.0BMM operates based on the principle of linear voltage regulation. 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.

Application Field Plans

MIC5239-5.0BMM finds applications in various fields, including but not limited to:

1. Battery-powered devices: It can be used in portable electronic devices such as smartphones, tablets, and wearable devices to ensure a stable power supply.
2. Automotive electronics: The regulator can be employed in automotive applications to provide regulated voltage for sensors, actuators, and other electronic components.
3. Industrial control systems: MIC5239-5.0BMM can be utilized in industrial automation systems, PLCs (Programmable Logic Controllers), and motor control circuits to maintain precise voltage levels.

Alternative Models

Some alternative models that offer similar functionality to MIC5239-5.0BMM are:

1. LM1117-5.0: A popular voltage regulator with a fixed 5.0V output voltage.
2. LT1763-5.0: Another low-dropout linear regulator with a 5.0V output voltage and low quiescent current.
3. TPS7A4901: A high-accuracy, low-noise voltage regulator suitable for demanding applications.

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

In conclusion, MIC5239-5.0BMM is a voltage regulator that offers stable and accurate voltage regulation in various electronic circuits. Its low dropout voltage, small package size, and wide operating temperature range make it suitable for a range of applications. However, designers should consider the maximum input voltage limitation and quiescent current when selecting this regulator for their specific needs.