MIC39151-2.5WU-TR

Product Overview

Category

MIC39151-2.5WU-TR belongs to the category of voltage regulators.

Use

This product is used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 2.5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 300mV
• Low Quiescent Current: 120µA
• Thermal Shutdown Protection
• Short Circuit Current Limiting
• Available in SOT-223 Package

Package and Quantity

MIC39151-2.5WU-TR is available in a SOT-223 package. It is typically sold in reels containing 2500 units.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage: 2.5V
• Output Current: 1.5A
• Dropout Voltage: 300mV
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-223

Pin Configuration

The MIC39151-2.5WU-TR has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

• VIN: Input Voltage
• GND: Ground
• VOUT: Output Voltage
• EN: Enable Pin (Active High)

Functional Features

1. Wide Input Voltage Range: The MIC39151-2.5WU-TR can accept input voltages ranging from 2.7V to 16V, making it suitable for various applications.
2. Low Dropout Voltage: With a dropout voltage of only 300mV, this voltage regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
3. Low Quiescent Current: The quiescent current of 120µA ensures minimal power consumption when the regulator is in standby mode.
4. Thermal Shutdown Protection: The device incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
5. Short Circuit Current Limiting: The MIC39151-2.5WU-TR has built-in short circuit current limiting to protect the regulator and the connected circuitry from damage in case of a short circuit.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient regulation.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit current limiting protects the regulator and connected circuitry.

Disadvantages

• Limited to fixed output voltage of 2.5V.
• SOT-223 package may not be suitable for all applications.

Working Principles

The MIC39151-2.5WU-TR is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage. Any difference between the two voltages is amplified and used to control the pass transistor, adjusting its resistance to maintain a constant output voltage.

Application Field Plans

The MIC39151-2.5WU-TR is commonly used in various electronic devices and systems, including but not limited to: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices - Automotive electronics - Industrial control systems - Communication equipment

Alternative Models

Some alternative models that offer similar functionality to the MIC39151-2.5WU-TR include: - LM1117-2.5 - LT1763-2.5 - TPS79625

These models have comparable specifications and can be considered as alternatives depending on specific application requirements.

In conclusion, the MIC39151-2.5WU-TR is a voltage regulator with a wide input voltage range, low dropout voltage, and low quiescent current. It offers thermal shutdown protection and short circuit current limiting. This device finds applications in various electronic systems and has alternative models available for consideration.