MIC39151-1.8WU

Product Overview

Category

The MIC39151-1.8WU belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage
• High output accuracy
• Low quiescent current
• Thermal shutdown protection
• Current limit protection

Package

The MIC39151-1.8WU comes in a small outline package (SOT-223) which allows for easy integration into various circuit designs.

Essence

This voltage regulator is designed to provide a stable and regulated output voltage, ensuring reliable performance of electronic devices.

Packaging/Quantity

The MIC39151-1.8WU is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Dropout Voltage: 120mV at 150mA
• Quiescent Current: 120µA
• Line Regulation: 0.02%/V
• Load Regulation: 0.05%/mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC39151-1.8WU has the following pin configuration:

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

Functional Features

• Low dropout voltage ensures efficient power conversion even with low input voltages.
• High output accuracy provides a stable and precise output voltage.
• Low quiescent current minimizes power consumption when the device is idle.
• Thermal shutdown protection prevents damage due to excessive heat.
• Current limit protection safeguards against overcurrent conditions.

Advantages and Disadvantages

Advantages

• High output accuracy ensures reliable performance of electronic devices.
• Low dropout voltage allows for efficient power conversion.
• Thermal shutdown protection prevents damage to the device.
• Current limit protection enhances safety.

Disadvantages

• Limited input voltage range (2.5V to 6.5V).
• Relatively low load regulation compared to some alternative models.

Working Principles

The MIC39151-1.8WU operates by comparing the output voltage with a reference voltage and adjusting the internal circuitry to maintain a stable output voltage. It utilizes a feedback mechanism to continuously monitor and regulate the output voltage, compensating for any variations in the input voltage or load conditions.

Detailed Application Field Plans

The MIC39151-1.8WU finds applications in various electronic devices and systems, including:

1. Battery-powered devices: Provides regulated voltage for microcontrollers, sensors, and other components.
2. Communication systems: Ensures stable voltage supply for RF modules, transceivers, and signal processing circuits.
3. Automotive electronics: Regulates voltage for infotainment systems, navigation units, and engine control modules.
4. Industrial automation: Used in PLCs, motor control systems, and instrumentation devices.
5. Consumer electronics: Provides voltage regulation for audio/video equipment, gaming consoles, and portable devices.

Detailed and Complete Alternative Models

1. LM1117-1.8: Similar voltage regulator with adjustable output voltage.
2. LT1763-1.8: Low dropout voltage regulator with higher load regulation.
3. TPS79618: Ultra-low quiescent current voltage regulator with thermal shutdown protection.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

In conclusion, the MIC39151-1.8WU is a voltage regulator that provides stable and regulated output voltage for various electronic applications. Its low dropout voltage, high output accuracy, and protection features make it a reliable choice for voltage regulation needs.