MIC39100-1.8WS-TR

Product Overview

Category

The MIC39100-1.8WS-TR belongs to the category of voltage regulators.

Use

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

Characteristics

• High precision: The MIC39100-1.8WS-TR provides precise voltage regulation, ensuring stable output.
• Low dropout voltage: It operates efficiently even when the input voltage is close to the desired output voltage.
• Low quiescent current: The regulator consumes minimal current when not supplying power to the load.
• Thermal shutdown protection: It includes built-in protection mechanisms to prevent overheating.

Package

The MIC39100-1.8WS-TR is available in a small surface-mount package, making it suitable for compact electronic devices.

Essence

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

Packaging/Quantity

The MIC39100-1.8WS-TR is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Output Current: Up to 1A
• Dropout Voltage: 150mV (typical)
• Quiescent Current: 120µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC39100-1.8WS-TR has the following pin configuration:

```

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| | --| VIN GND |-- --| VOUT EN |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• VOUT: Output voltage pin
• EN: Enable pin (used for controlling the regulator's operation)

Functional Features

• Voltage Regulation: The MIC39100-1.8WS-TR ensures a stable output voltage of 1.8V, regardless of input voltage fluctuations.
• Current Limiting: It includes current limiting protection to prevent excessive current flow and protect connected devices.
• Thermal Protection: The regulator incorporates thermal shutdown mechanisms to safeguard against overheating.

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Low dropout voltage for efficient operation
• Low quiescent current for power-saving applications
• Compact surface-mount package for space-constrained designs
• Built-in thermal shutdown protection

Disadvantages

• Limited output current capacity (up to 1A)
• Restricted input voltage range (2.5V to 6.5V)

Working Principles

The MIC39100-1.8WS-TR operates based on the principle of linear voltage regulation. It utilizes a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.8V. This is achieved by controlling the pass transistor, which regulates the flow of current from the input to the output.

Detailed Application Field Plans

The MIC39100-1.8WS-TR finds applications in various electronic systems, including:

1. Portable Devices: It can be used in battery-powered devices such as smartphones, tablets, and portable media players to regulate the voltage supplied to different components.
2. Embedded Systems: The voltage regulator ensures stable power supply to microcontrollers, sensors, and other components in embedded systems.
3. Automotive Electronics: It is suitable for automotive applications where precise voltage regulation is required for various subsystems, such as infotainment systems and engine control units.
4. Industrial Control Systems: The regulator can be employed in industrial control systems to provide stable voltage levels for PLCs (Programmable Logic Controllers) and other critical components.

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and pin configuration.
2. LT1763-1.8: Another alternative offering high precision voltage regulation and low dropout voltage.
3. TPS7A4901-1.8: An alternative model with a wide input voltage range and excellent thermal performance.

These alternative models can be considered based on specific requirements and availability.

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