MIC49150-1.8WR-TR

Product Overview

Category

The MIC49150-1.8WR-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: 1.8V
• Package Type: WR (SOT-23)
• Essence: Low dropout linear regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The MIC49150-1.8WR-TR has the following specifications:

• Input Voltage Range: 2.5V to 6.5V
• Dropout Voltage: 200mV typical at 150mA load current
• Output Current: Up to 150mA
• Line Regulation: ±0.15% typical
• Load Regulation: ±0.3% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC49150-1.8WR-TR has three pins with the following functions:

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

Functional Features

• Low dropout voltage: The MIC49150-1.8WR-TR exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current: With a quiescent current of only 75µA, this voltage regulator minimizes power consumption in standby or low-load conditions.
• Excellent line and load regulation: The device maintains stable output voltage levels despite variations in input voltage or changes in load conditions.
• Thermal shutdown protection: The MIC49150-1.8WR-TR includes built-in thermal shutdown protection to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Compact package size (SOT-23) allows for easy integration into space-constrained designs.
• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage ensures efficient regulation even with low input-output differentials.
• Excellent line and load regulation provides stable output voltage under varying conditions.

Disadvantages

• Limited output current capacity of up to 150mA may not be suitable for high-power applications.
• The SOT-23 package may require additional heat dissipation measures for high-load scenarios.

Working Principles

The MIC49150-1.8WR-TR is a low dropout linear regulator that utilizes a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage level.

Detailed Application Field Plans

The MIC49150-1.8WR-TR finds application in various electronic 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 voltage regulator.
2. Industrial control systems: The stability and reliability of the MIC49150-1.8WR-TR make it suitable for use in industrial control systems, ensuring consistent voltage levels for sensitive components.
3. Automotive electronics: With its wide input voltage range and thermal shutdown protection, this regulator can be employed in automotive applications, providing regulated power to various subsystems.

Detailed and Complete Alternative Models

1. MIC49150-2.5WR-TR: Voltage Output - 2.5V, Package Type - WR (SOT-23), Tape and Reel Packaging.
2. MIC49150-3.3WR-TR: Voltage Output - 3.3V, Package Type - WR (SOT-23), Tape and Reel Packaging.
3. MIC49150-5.0WR-TR: Voltage Output - 5.0V, Package Type - WR (SOT-23), Tape and Reel Packaging.

These alternative models offer different output voltage options while sharing similar characteristics and package types as the MIC49150-1.8WR-TR.

In conclusion, the MIC49150-1.8WR-TR is a low dropout linear regulator that provides stable and regulated voltage output. With its compact size, wide input voltage range, and excellent regulation features, it finds application in various electronic systems. However, its limited output current capacity and potential heat dissipation requirements should be considered for specific high-power scenarios.