MIC5239-3.0BM

Product Overview

Category

MIC5239-3.0BM belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.0V
• Maximum Output Current: 150mA
• Low Dropout Voltage: 200mV at 100mA
• Low Quiescent Current: 75µA
• Thermal Shutdown Protection
• Short Circuit Protection
• Small Package Size

Package

MIC5239-3.0BM is available in a small SOT-23 package.

Essence

The essence of MIC5239-3.0BM is its ability to provide a stable output voltage of 3.0V with low dropout voltage and quiescent current, making it suitable for various low-power applications.

Packaging/Quantity

MIC5239-3.0BM is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 3.0V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23

Detailed Pin Configuration

MIC5239-3.0BM has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Voltage Regulation: MIC5239-3.0BM provides a stable output voltage of 3.0V, regardless of input voltage fluctuations.
• Low Dropout Voltage: The regulator maintains a low dropout voltage of 200mV at 100mA output current, ensuring efficient power conversion.
• Low Quiescent Current: With a quiescent current of only 75µA, the regulator minimizes power consumption in standby or idle modes.
• Thermal Shutdown Protection: MIC5239-3.0BM incorporates thermal shutdown protection to prevent overheating and potential damage.
• Short Circuit Protection: The regulator is equipped with short circuit protection, safeguarding the circuit from excessive current.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Small package size enables space-saving designs.
• Thermal shutdown and short circuit protection enhance reliability.

Disadvantages

• Limited maximum output current of 150mA may not be suitable for high-power applications.
• Not compatible with input voltages below 2.5V or above 16V.

Working Principles

MIC5239-3.0BM operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to maintain a constant output voltage of 3.0V, irrespective of variations in the input voltage. The internal circuitry adjusts the pass transistor to regulate the output voltage within the specified range. The regulator also incorporates protection features such as thermal shutdown and short circuit protection to ensure safe operation.

Detailed Application Field Plans

MIC5239-3.0BM finds applications in various electronic devices and circuits that require a stable 3.0V power supply. Some common application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearable devices, can benefit from the regulator's low dropout voltage and low quiescent current, prolonging battery life.
2. IoT devices: Internet of Things (IoT) devices often operate on low power and require a stable voltage source. MIC5239-3.0BM can be used in sensors, smart home devices, and other IoT applications.
3. Automotive electronics: The regulator's wide input voltage range and protection features make it suitable for automotive applications, such as infotainment systems, lighting controls, and dashboard displays.

Detailed and Complete Alternative Models

1. LM1117-3.0: A popular alternative with similar specifications and package type.
2. MCP1703-3002E: Another alternative offering a 3.0V output voltage and low dropout voltage.
3. LT1763-3.0: An alternative model with higher maximum output current and adjustable output voltage.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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