MIC49200-1.8WR

Product Overview

Category

The MIC49200-1.8WR belongs to the category of voltage regulators.

Use

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

Characteristics

• The MIC49200-1.8WR is a low-dropout (LDO) voltage regulator.
• It has a fixed output voltage of 1.8V.
• The regulator operates with a low quiescent current, making it suitable for power-sensitive applications.
• It offers excellent line and load regulation, ensuring stable voltage output under varying conditions.
• The device features thermal shutdown and current limit protection mechanisms to safeguard against excessive heat and current.

Package

The MIC49200-1.8WR is available in a small outline SOT-223 package.

Essence

The essence of this product lies in its ability to provide a stable and regulated output voltage of 1.8V, making it ideal for powering various electronic components.

Packaging/Quantity

The MIC49200-1.8WR is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage: 1.8V
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 75µA (typical)
• Load Regulation: ±0.5% (typical)
• Line Regulation: ±0.3% (typical)
• Thermal Shutdown Protection: Yes
• Current Limit Protection: Yes

Detailed Pin Configuration

The MIC49200-1.8WR 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.
• Excellent line and load regulation for stable voltage output.
• Thermal shutdown protection prevents overheating.
• Current limit protection safeguards against excessive current.

Advantages

• Fixed output voltage simplifies circuit design.
• Low quiescent current minimizes power consumption.
• Small package size allows for space-efficient integration.
• Reliable thermal and current protection mechanisms enhance device durability.

Disadvantages

• Limited to a fixed output voltage of 1.8V, restricting versatility in certain applications.
• May not be suitable for high-power or high-voltage applications.

Working Principles

The MIC49200-1.8WR operates as a low-dropout voltage regulator by maintaining a constant voltage output of 1.8V, regardless of variations in the input voltage or load conditions. It achieves this through internal circuitry that adjusts the output voltage based on feedback from a voltage reference.

Detailed Application Field Plans

The MIC49200-1.8WR finds application in various electronic systems, including but not limited to:

1. Battery-powered devices: Provides regulated power supply for portable electronics such as smartphones, tablets, and wearables.
2. Embedded systems: Ensures stable voltage for microcontrollers, sensors, and other components in embedded systems.
3. Communication equipment: Powers RF modules, transceivers, and other communication devices requiring a regulated voltage source.
4. Industrial automation: Suitable for powering control circuits, motor drivers, and sensors in industrial automation systems.
5. Automotive electronics: Used in automotive applications where a stable voltage is required for ECUs, infotainment systems, and lighting controls.

Detailed and Complete Alternative Models

1. MIC49150-1.8WR: Similar to MIC49200-1.8WR, but with a lower dropout voltage of 150mV.
2. MIC49300-1.8WR: Offers adjustable output voltage ranging from 1.2V to 3.6V.
3. MIC49400-1.8WR: Provides a fixed output voltage of 1.8V with higher load and line regulation specifications.

These alternative models offer similar functionality to the MIC49200-1.8WR but may have different characteristics or specifications that cater to specific application requirements.

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