MIC39301-1.8WT

Product Overview

Category

MIC39301-1.8WT belongs to the category of voltage regulators.

Use

It is primarily used to regulate and stabilize voltage in electronic circuits.

Characteristics

• High efficiency
• Low dropout voltage
• Wide input voltage range
• Thermal shutdown protection
• Current limit protection

Package

MIC39301-1.8WT is available in a TO-220 package.

Essence

The essence of MIC39301-1.8WT is to provide a stable output voltage despite fluctuations in the input voltage.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage: 1.8V
• Dropout Voltage: 300mV at 500mA
• Maximum Output Current: 500mA
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MIC39301-1.8WT has three pins:

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

Functional Features

• High Efficiency: The MIC39301-1.8WT offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 300mV at 500mA, it can maintain a stable output even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The device can operate within a wide input voltage range of 2.5V to 16V, making it suitable for various applications.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection, which prevents the device from overheating and ensures its longevity.
• Current Limit Protection: The MIC39301-1.8WT includes current limit protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption.
• Low dropout voltage enables stable output even with low input voltages.
• Wide input voltage range allows for versatile applications.
• Thermal shutdown protection enhances reliability.
• Current limit protection safeguards against excessive current flow.

Disadvantages

• Limited maximum output current of 500mA may not be sufficient for high-power applications.
• Requires external components for proper operation.

Working Principles

MIC39301-1.8WT operates based on a linear voltage regulation principle. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. By continuously monitoring and adjusting, it compensates for changes in the input voltage, ensuring a stable output.

Detailed Application Field Plans

MIC39301-1.8WT finds applications in various fields, including but not limited to:

1. Consumer Electronics: Powering low-voltage digital circuits, audio amplifiers, and sensors.
2. Automotive Electronics: Providing stable voltage for automotive control systems and infotainment devices.
3. Industrial Automation: Regulating voltage for PLCs (Programmable Logic Controllers), motor drives, and industrial sensors.
4. Telecommunications: Powering communication modules, routers, and network switches.
5. Medical Devices: Supplying regulated voltage to medical instruments and equipment.

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and pin configuration.
2. LT1761-1.8: Offers lower dropout voltage and higher maximum output current.
3. TPS79618: Provides higher maximum output current and lower quiescent current.

These alternative models can be considered based on specific application requirements and desired performance characteristics.

Word count: 525 words