MIC5239-1.8BMM-TR

Product Overview

Category

The MIC5239-1.8BMM-TR belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and reliable power supply.

Characteristics

• Low dropout voltage
• Low quiescent current
• Thermal shutdown protection
• Small package size

Package

The MIC5239-1.8BMM-TR comes in a miniature SOT-23 package.

Essence

This voltage regulator is essential for maintaining consistent power supply in various electronic devices and systems.

Packaging/Quantity

The MIC5239-1.8BMM-TR is typically packaged in reels with a quantity of 3000 units per reel.

Specifications

• Output Voltage: 1.8V
• Dropout Voltage: 150mV at 150mA
• Quiescent Current: 40μA
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23

Detailed Pin Configuration

The MIC5239-1.8BMM-TR has three pins: 1. Input (VIN) 2. Ground (GND) 3. Output (VOUT)

Functional Features

• Low dropout voltage ensures efficient regulation even when input voltage is close to the output voltage.
• Low quiescent current minimizes power consumption during standby or idle modes.
• Thermal shutdown protection prevents the device from overheating, enhancing its reliability.

Advantages and Disadvantages

Advantages

• Small package size allows for space-efficient integration into compact designs.
• Low dropout voltage enables operation with low input voltages.
• Thermal shutdown protection enhances reliability and safety.

Disadvantages

• Limited maximum output current compared to some alternative models.
• Sensitive to excessive input voltage, requiring external protection circuitry in high-voltage applications.

Working Principles

The MIC5239-1.8BMM-TR utilizes a feedback control mechanism to maintain a constant output voltage regardless of variations in input voltage and load conditions. It achieves this by adjusting the internal resistance to ensure the desired output voltage is maintained.

Detailed Application Field Plans

The MIC5239-1.8BMM-TR is commonly used in portable electronic devices, battery-powered systems, and low-power microcontroller applications where a stable and efficient power supply is crucial. Its small form factor and low power consumption make it suitable for space-constrained and energy-efficient designs.

Detailed and Complete Alternative Models

• MIC5205: Similar low dropout voltage regulator with higher maximum output current.
• LM1117: Alternative voltage regulator with adjustable output voltage and higher input voltage tolerance.

In conclusion, the MIC5239-1.8BMM-TR is a compact and efficient voltage regulator suitable for various low-power electronic applications, offering stable and reliable power supply with minimal power consumption. While it has limitations in terms of maximum output current and input voltage tolerance, it remains a popular choice for designs prioritizing size and efficiency.

Word Count: 443