MIC39150-1.8WU

Product Overview

Category

The MIC39150-1.8WU 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: 1.8V
• Package Type: TO-263
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 1000 units per reel

Specifications

The MIC39150-1.8WU voltage regulator has the following specifications:

• Input Voltage Range: 2.5V to 6.0V
• Dropout Voltage: 120mV at 150mA
• Output Current: Up to 1.5A
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Quiescent Current: 85µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC39150-1.8WU has the following pin configuration:

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

Functional Features

• Low dropout voltage: The MIC39150-1.8WU 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.
• Excellent line and load regulation: The device maintains stable output voltage levels even with variations in input voltage and load conditions.
• Low quiescent current: The low quiescent current minimizes power consumption when the regulator is in standby or idle mode.
• Wide operating temperature range: The MIC39150-1.8WU operates reliably in a wide temperature range, making it suitable for various environments.

Advantages and Disadvantages

Advantages

• High output current capability
• Low dropout voltage
• Excellent line and load regulation
• Wide operating temperature range

Disadvantages

• Limited input voltage range (2.5V to 6.0V)
• Higher quiescent current compared to some other voltage regulators

Working Principles

The MIC39150-1.8WU is a low dropout voltage regulator that uses a PNP pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The MIC39150-1.8WU finds applications in various electronic systems, including but not limited to:

1. Battery-powered devices: This voltage regulator can be used in portable electronics such as smartphones, tablets, and wearable devices to ensure stable power supply.
2. Automotive electronics: The regulator's wide operating temperature range makes it suitable for automotive applications, including infotainment systems, lighting controls, and engine management systems.
3. Industrial control systems: The MIC39150-1.8WU can be employed in industrial automation, robotics, and control systems to provide reliable voltage regulation.
4. Communication equipment: It can be utilized in networking devices, routers, and modems to maintain consistent power supply for uninterrupted communication.

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and pin configuration.
2. LT1763-1.8: Another alternative offering low dropout voltage and high output current.
3. TPS7A4901-1.8: An alternative with a wider input voltage range and lower quiescent current.

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

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