MIC49150-0.9BR

Product Overview

Category

MIC49150-0.9BR belongs to the category of voltage regulators.

Use

This product is used to regulate voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 0.9V
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV at 1A
• Low Quiescent Current: 45µA
• Thermal Shutdown Protection
• Short-Circuit Protection
• Small Package Size: SOT-23-5

Package and Quantity

MIC49150-0.9BR is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 0.9V ±2%
• Maximum Output Current: 1.5A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOT-23-5

Pin Configuration

MIC49150-0.9BR has the following pin configuration:

```

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| | --| V+ |-- --| |-- --| GND|-- --| |-- --| VOUT|-- |____| ```

Pin Descriptions: - V+: Input Voltage - GND: Ground - VOUT: Output Voltage

Functional Features

• Voltage Regulation: The MIC49150-0.9BR provides a stable output voltage of 0.9V, regardless of input voltage fluctuations.
• Low Quiescent Current: The regulator has a low quiescent current of 45µA, minimizing power consumption.
• Thermal Shutdown Protection: The device includes thermal shutdown protection to prevent overheating and damage.
• Short-Circuit Protection: It is equipped with short-circuit protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for compatibility with various power sources.
• Small package size makes it suitable for space-constrained applications.
• Low quiescent current reduces power consumption.
• Thermal shutdown and short-circuit protection enhance reliability.

Disadvantages

• Limited output voltage options (fixed at 0.9V).
• Maximum output current may not be sufficient for high-power applications.

Working Principles

MIC49150-0.9BR operates based on the principle of linear voltage regulation. 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 of 0.9V. The device regulates the voltage by controlling the flow of current through a series pass transistor.

Application Field Plans

The MIC49150-0.9BR is commonly used in the following application fields: 1. Battery-powered devices: It is suitable for portable electronic devices that require a stable 0.9V power supply, such as smartphones, tablets, and wearables. 2. Embedded systems: The regulator can be used in microcontroller-based systems, IoT devices, and other embedded applications. 3. Industrial automation: It finds application in industrial control systems, sensors, and actuators that require precise voltage regulation.

Alternative Models

Here are some alternative models that offer similar functionality: 1. MIC49150-1.2BR: Provides an output voltage of 1.2V with the same specifications as MIC49150-0.9BR. 2. MIC49150-1.8BR: Offers an output voltage of 1.8V with similar characteristics to MIC49150-0.9BR. 3. MIC49150-3.3BR: Provides a regulated output voltage of 3.3V, suitable for applications requiring higher voltage levels.

These alternative models can be considered based on specific voltage requirements and application needs.

In conclusion, the MIC49150-0.9BR is a voltage regulator that provides stable 0.9V output voltage with a maximum current of 1.5A. It offers advantages such as a wide input voltage range, low quiescent current, and built-in protection features. This device finds application in various fields, including battery-powered devices, embedded systems, and industrial automation. Alternative models with different output voltages are also available for specific requirements.