MIC5247-1.8YM5-TR

Product Overview

Category

MIC5247-1.8YM5-TR belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Low quiescent current
• High output accuracy
• Thermal shutdown protection
• Short-circuit current limit

Package

MIC5247-1.8YM5-TR is available in a miniature SOT-23-5 package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

It is typically packaged in reels, with each reel containing a specific quantity of MIC5247-1.8YM5-TR units.

Specifications

• Output Voltage: 1.8V
• Dropout Voltage: 150mV (typical)
• Quiescent Current: 35µA (typical)
• Output Current: 150mA (maximum)
• Input Voltage Range: 2.3V to 6.0V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC5247-1.8YM5-TR has five pins arranged as follows:

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Pin 1: Enable (EN) - Active high enable pin for turning the regulator on/off. Pin 2: Ground (GND) - Connected to the ground reference of the circuit. Pin 3: Feedback (FB) - Provides feedback for regulating the output voltage. Pin 4: Output (OUT) - Supplies the regulated output voltage. Pin 5: Input (IN) - Connects to the input voltage source.

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• Low quiescent current minimizes power consumption in standby or idle modes.
• High output accuracy provides precise voltage regulation for sensitive components.
• Thermal shutdown protection prevents damage due to excessive temperature.
• Short-circuit current limit protects the regulator and connected devices from overcurrent conditions.

Advantages and Disadvantages

Advantages

• Compact SOT-23-5 package allows for space-saving integration into various circuit designs.
• Wide input voltage range enables compatibility with a range of power sources.
• Excellent line and load regulation characteristics ensure stable performance under varying conditions.

Disadvantages

• Limited maximum output current may restrict its use in high-power applications.
• The SOT-23-5 package may require additional thermal management for dissipating heat.

Working Principles

MIC5247-1.8YM5-TR operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. The feedback mechanism compares the output voltage with a reference voltage, and any deviation is corrected by adjusting the pass transistor's resistance.

Detailed Application Field Plans

MIC5247-1.8YM5-TR finds application in various electronic systems that require stable and regulated voltage supply. Some potential application fields include:

1. Battery-powered devices: Portable electronics, such as smartphones, tablets, and wearables, benefit from the low dropout voltage and low quiescent current of MIC5247-1.8YM5-TR, extending battery life.

2. IoT devices: Internet of Things (IoT) sensors and modules often operate on low voltages and require precise regulation. This voltage regulator can provide the necessary stability and accuracy.

3. Automotive electronics: With its wide input voltage range and thermal shutdown protection, this regulator can be used in automotive applications, such as infotainment systems and control modules.

4. Industrial automation: MIC5247-1.8YM5-TR can be employed in industrial automation equipment, ensuring reliable voltage regulation for sensors, actuators, and control circuits.

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and pin configuration.
2. MCP1700-1802E/TO: Another option offering low dropout voltage and high output accuracy.
3. LP2985-18DBVR: Provides stable voltage regulation with a small SOT-23 package.

These alternative models offer comparable performance and can be considered based on specific application requirements.

In conclusion, MIC5247-1.8YM5-TR is a voltage regulator that provides stable and regulated voltage output for various electronic applications. Its low dropout voltage, low quiescent current, and high output accuracy make it suitable for battery-powered devices, IoT applications, automotive electronics, and industrial automation. While it has limitations in terms of maximum output current and thermal management, there are alternative models available to suit different needs.