MIC37301-1.8WR-TR

Product Overview

Category

The MIC37301-1.8WR-TR belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 1.8V
• Output Current: 1A
• Low Dropout Voltage: 300mV at 1A
• Low Quiescent Current: 40µA
• Thermal Shutdown Protection
• Short-Circuit Protection

Package

The MIC37301-1.8WR-TR comes in a small outline package (SOT-23-5) for easy integration into compact designs.

Packaging/Quantity

It is typically available in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 1.8V ±2%
• Output Current: 1A
• Dropout Voltage: 300mV at 1A
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23-5

Detailed Pin Configuration

1. VIN (Input Voltage)
2. GND (Ground)
3. NC (No Connection)
4. VOUT (Output Voltage)
5. EN (Enable)

Functional Features

• Voltage Regulation: Maintains a stable 1.8V output voltage.
• Low Dropout: Operates with a low dropout voltage of 300mV at 1A, minimizing power loss.
• Protection Mechanisms: Includes thermal shutdown and short-circuit protection for enhanced reliability.

Advantages and Disadvantages

Advantages

• Compact size for space-constrained applications
• Low quiescent current for power efficiency
• Robust protection features for increased reliability

Disadvantages

• Limited to a maximum output current of 1A
• Requires careful consideration of input voltage range for optimal performance

Working Principles

The MIC37301-1.8WR-TR utilizes a feedback control loop to compare the output voltage to a reference voltage, adjusting the internal pass transistor to maintain a constant 1.8V output despite variations in the input voltage.

Detailed Application Field Plans

This voltage regulator is suitable for various applications, including: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices

Detailed and Complete Alternative Models

• MIC37302-1.8WR-TR: Similar specifications with adjustable output voltage
• MIC37303-1.8WR-TR: Higher output current of 3A for more demanding applications
• MIC37304-1.8WR-TR: Ultra-low dropout voltage for improved efficiency

In conclusion, the MIC37301-1.8WR-TR is a versatile voltage regulator offering stable output voltage, efficient operation, and robust protection features, making it suitable for a wide range of electronic applications.

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