MIC49500-0.9WR

Product Overview

Category

The MIC49500-0.9WR belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 0.9V
• Maximum Output Current: 500mA
• Low Dropout Voltage: 200mV at 500mA
• Low Quiescent Current: 45µA
• Thermal Shutdown Protection
• Short Circuit Protection
• Small Package Size: SOT-23-5

Package and Quantity

The MIC49500-0.9WR is available in a small SOT-23-5 package. It is typically sold in reels containing a quantity of 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 0.9V ±2%
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

The MIC49500-0.9WR has the following pin configuration:

```

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| | --| V IN|-- Pin 1 --| GND |-- Pin 2 --| EN |-- Pin 3 --| FB |-- Pin 4 --| V OUT|-- Pin 5 |____| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Thermal shutdown protection prevents overheating.
• Short circuit protection safeguards the regulator and connected components.

Advantages

• Compact SOT-23-5 package enables space-saving designs.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Thermal shutdown and short circuit protection enhance reliability and safety.

Disadvantages

• Limited output current of 500mA may not be sufficient for high-power applications.
• Fixed output voltage of 0.9V may not meet the requirements of all applications.

Working Principles

The MIC49500-0.9WR is a linear voltage regulator that operates by maintaining a constant output voltage regardless of changes in the input voltage or load conditions. It achieves this through the use of a feedback mechanism that adjusts the internal resistance to maintain the desired output voltage.

Application Field Plans

The MIC49500-0.9WR can be used in various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Wearable devices - Embedded systems

Alternative Models

Some alternative models that offer similar functionality to the MIC49500-0.9WR include: - LM1117-3.3 - LT1761-3.3 - MCP1702-3.3

These models provide different output voltages and may have variations in specifications, but they serve as viable alternatives depending on specific application requirements.

In conclusion, the MIC49500-0.9WR is a voltage regulator with a wide input voltage range, low dropout voltage, and compact package size. It offers thermal shutdown and short circuit protection, making it suitable for various electronic applications. However, its limited output current and fixed output voltage should be considered when selecting the appropriate regulator for a specific application.