MIC39150-2.5WU

Product Overview

Category

The MIC39150-2.5WU 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: TO-263
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape & Reel, 1000 units per reel

Specifications

The MIC39150-2.5WU voltage regulator has the following specifications:

• Input Voltage Range: 4.75V to 60V
• Dropout Voltage: 500mV at 1A
• Output Current: Up to 1.5A
• Line Regulation: 0.04% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 85µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC39150-2.5WU has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)

Functional Features

• Low dropout voltage: The MIC39150-2.5WU exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High output current: With a maximum output current of 1.5A, this voltage regulator can handle a wide range of applications.
• Wide input voltage range: The device can operate within an input voltage range of 4.75V to 60V, making it suitable for various power supply scenarios.
• Excellent line and load regulation: The MIC39150-2.5WU maintains stable output voltage levels even with variations in input voltage and load conditions.
• Low quiescent current: The regulator has a low quiescent current of 85µA, minimizing power consumption during standby or idle modes.

Advantages and Disadvantages

Advantages

• High output current capability
• Wide input voltage range
• Low dropout voltage
• Excellent line and load regulation
• Low quiescent current

Disadvantages

• Limited to fixed output voltage of 2.5V
• Requires external components for proper operation

Working Principles

The MIC39150-2.5WU is a linear voltage regulator that utilizes a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from a voltage divider network connected to the output. Any difference between the two voltages is amplified and used to control the pass transistor, ensuring the output voltage remains constant.

Detailed Application Field Plans

The MIC39150-2.5WU finds applications in various fields, including:

1. Automotive electronics: Used to regulate voltage in automotive systems, such as infotainment systems, lighting modules, and engine control units.
2. Industrial equipment: Employed in industrial automation, motor control, and power supply units.
3. Telecommunications: Utilized in telecom infrastructure, base stations, and networking equipment.
4. Consumer electronics: Found in portable devices, battery-powered gadgets, and audio/video equipment.
5. Medical devices: Used in medical instruments, patient monitoring systems, and diagnostic equipment.

Detailed and Complete Alternative Models

1. LM1117-2.5: A popular alternative with similar specifications and pin configuration.
2. LT1086-2.5: Offers adjustable output voltage and higher output current capability.
3. TPS7A4901-2.5: Provides ultra-low dropout voltage and enhanced noise performance.

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

In conclusion, the MIC39150-2.5WU is a voltage regulator with a fixed output voltage of 2.5V. It offers high output current, wide input voltage range, and excellent regulation characteristics. While it has limitations in terms of fixed output voltage and external component requirements, it finds applications in various fields such as automotive, industrial, telecommunications, consumer electronics, and medical devices. Alternative models like LM1117-2.5, LT1086-2.5, and TPS7A4901-2.5 provide additional options for designers based on their specific needs.