MIC5239BMM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High-performance, low-dropout linear regulator
• Package: 8-pin MSOP (Mini Small Outline Package)
• Essence: Provides stable and regulated output voltage for various electronic devices
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 300mV at 150mA
• Output Current: Up to 150mA
• Line Regulation: ±0.05%
• Load Regulation: ±0.1%
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC5239BMM has the following pin configuration:

```

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| | --| VOUT GND|-- --| VIN NC |-- --| EN NC |-- --| BYP NC |-- --| FB NC |-- --| NC NC |-- --| VIN NC |-- |___________| ```

Functional Features

1. High Accuracy: The MIC5239BMM provides precise and stable output voltage regulation, ensuring reliable performance of connected devices.
2. Low Dropout Voltage: With a dropout voltage as low as 300mV, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
3. Low Quiescent Current: The quiescent current of only 75µA minimizes power consumption, making it suitable for battery-powered applications.
4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low quiescent current - Thermal shutdown protection ensures safety

Disadvantages: - Limited output current (up to 150mA) - Not suitable for high-power applications

Working Principles

The MIC5239BMM is a linear regulator that uses a pass transistor to regulate the output voltage. It compares the feedback voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The dropout voltage is minimized by utilizing a low-resistance pass element.

Application Field Plans

The MIC5239BMM is commonly used in various electronic devices that require a stable and regulated power supply. Some of its application fields include:

1. Portable Devices: Mobile phones, tablets, and portable media players benefit from the MIC5239BMM's low dropout voltage and low quiescent current, extending battery life.
2. Wireless Communication Systems: The regulator ensures a reliable power source for wireless communication modules, such as Bluetooth or Wi-Fi modules.
3. Industrial Control Systems: The high accuracy and stability of the MIC5239BMM make it suitable for powering control systems in industrial environments.
4. Automotive Electronics: The regulator can be used in automotive applications, providing stable power to sensors, actuators, and other electronic components.

Alternative Models

1. MIC5205: Similar to MIC5239BMM but offers higher output current capability (up to 500mA).
2. MIC5255: Provides adjustable output voltage range and higher output current (up to 750mA).
3. MIC5270: Offers a wider input voltage range and adjustable output voltage (up to 20V).

These alternative models provide flexibility in terms of output current, voltage range, and input voltage requirements, catering to different application needs.

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