MIC5237-2.5BU TR

Product Overview

Category

MIC5237-2.5BU TR belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage Output: 2.5V
• Package Type: SOT-23
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The MIC5237-2.5BU TR voltage regulator has the following specifications:

• Input Voltage Range: 2.5V to 16V
• Dropout Voltage: 200mV at 150mA load current
• Output Current: Up to 150mA
• Line Regulation: ±0.1%
• Load Regulation: ±0.3%
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC5237-2.5BU TR voltage regulator has three pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin

Functional Features

• Low dropout voltage: The MIC5237-2.5BU TR has a low dropout voltage, allowing it to regulate voltage even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a typical quiescent current of only 75µA, this voltage regulator minimizes power consumption.
• Overcurrent protection: The device includes built-in overcurrent protection to prevent damage to the regulator and the connected circuitry.
• Thermal shutdown: In case of excessive temperature, the regulator shuts down to protect itself from overheating.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation even with low input voltages.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered applications.
• Overcurrent protection prevents damage to the regulator and connected components.
• Thermal shutdown feature protects the device from overheating.

Disadvantages

• Limited output current of up to 150mA may not be sufficient for high-power applications.
• The SOT-23 package may require additional heat sinking for better thermal management in certain scenarios.

Working Principles

The MIC5237-2.5BU TR voltage regulator operates by comparing the output voltage with a reference voltage. It adjusts the resistance between the input and output pins to maintain a stable output voltage, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The MIC5237-2.5BU TR voltage regulator finds applications in various electronic devices and systems, including but not limited to:

1. Battery-powered devices: Portable electronics such as smartphones, tablets, and wearable devices benefit from the low dropout voltage and low quiescent current of this regulator.
2. Industrial control systems: The regulator can be used in industrial automation, motor control, and sensor circuits to provide stable voltage levels.
3. Automotive electronics: It is suitable for automotive applications like infotainment systems, lighting controls, and engine management systems.
4. IoT devices: Internet of Things (IoT) devices often operate on low voltages and require efficient voltage regulation, making this regulator an ideal choice.

Detailed and Complete Alternative Models

1. LM1117-2.5: This voltage regulator offers similar specifications and features, including a 2.5V output voltage and low dropout voltage.
2. LT1763-2.5: Another alternative with comparable characteristics, providing a 2.5V output voltage and low quiescent current.

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

In conclusion, the MIC5237-2.5BU TR voltage regulator is a low dropout voltage regulator used to stabilize voltage levels in electronic circuits. With its low quiescent current and overcurrent protection, it finds applications in various fields such as battery-powered devices, industrial control systems, automotive electronics, and IoT devices. Alternative models like LM1117-2.5 and LT1763-2.5 offer similar functionalities for different application scenarios.