MIC49150-0.9WR-TR

Product Overview

Category

MIC49150-0.9WR-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 0.9V
• Package Type: SOT-23-5
• Essence: Low dropout voltage regulator
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The specifications for MIC49150-0.9WR-TR are as follows:

• Dropout Voltage: 150mV (typical)
• Output Current: 150mA
• Line Regulation: ±0.1% (typical)
• Load Regulation: ±0.3% (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC49150-0.9WR-TR has a total of 5 pins arranged as follows:

1. GND (Ground)
2. EN (Enable)
3. FB (Feedback)
4. VIN (Input Voltage)
5. VOUT (Output Voltage)

Functional Features

• Low dropout voltage: The MIC49150-0.9WR-TR has a low dropout voltage of only 150mV, ensuring efficient regulation even with small input-output differentials.
• Low quiescent current: With a typical quiescent current of 75µA, this voltage regulator minimizes power consumption when not actively regulating the voltage.
• Enable pin: The EN pin allows for easy on/off control of the regulator, enabling power-saving functionality.
• Excellent line and load regulation: The MIC49150-0.9WR-TR provides precise voltage regulation, maintaining stable output voltage levels even with varying input voltages and load conditions.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient regulation.
• Low quiescent current minimizes power consumption.
• Enable pin allows for easy on/off control.
• Excellent line and load regulation for stable output voltage.

Disadvantages

• Limited output current of 150mA may not be suitable for high-power applications.

Working Principles

MIC49150-0.9WR-TR operates based on the principle of a low dropout voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The feedback mechanism continuously monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable output voltage level.

Detailed Application Field Plans

The MIC49150-0.9WR-TR is commonly used in various electronic devices and circuits that require a stable and regulated voltage supply. Some specific application fields include:

1. Battery-powered devices: This voltage regulator is ideal for portable electronic devices powered by batteries, such as smartphones, tablets, and wearable devices.
2. IoT (Internet of Things) devices: With its low dropout voltage and low quiescent current, this regulator is suitable for IoT devices that operate on limited power sources.
3. Embedded systems: The MIC49150-0.9WR-TR can be used in embedded systems where a stable voltage supply is crucial for reliable operation.
4. Automotive electronics: This voltage regulator finds applications in automotive electronics, providing regulated power to various components and subsystems.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MIC49150-0.9WR-TR are:

1. LM1117-3.3: A low dropout voltage regulator with an output voltage of 3.3V.
2. LT1763-5: A low dropout voltage regulator with an output voltage of 5V.
3. TPS7A4700: A low dropout voltage regulator with adjustable output voltage.

These alternative models can be considered based on specific requirements and compatibility with the target application.

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