MIC708SM

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: Surface Mount (SM)
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V - 16V
• Output Voltage Range: 1.25V - 15V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V typical at 3A
• Line Regulation: ±0.05% typical
• Load Regulation: ±0.1% typical
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC708SM has the following pin configuration:

```

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| | --| VOUT VIN|-- --| GND ADJ|-- |___________| ```

• VIN: Input voltage pin
• ADJ: Adjust pin for setting the output voltage
• GND: Ground pin
• VOUT: Output voltage pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output differentials.
• High current capability allows for powering various loads.
• Adjustable output voltage provides flexibility in different applications.
• Excellent line and load regulation for maintaining a stable output under varying conditions.
• Low quiescent current minimizes power consumption.

Advantages

• Wide input voltage range enables compatibility with different power sources.
• High output current capability suits demanding applications.
• Adjustable output voltage allows customization for specific requirements.
• Low dropout voltage ensures efficient power conversion.
• Excellent line and load regulation provides a stable output.

Disadvantages

• Higher quiescent current compared to some other voltage regulators.
• Surface mount package may require specialized equipment for soldering.

Working Principles

The MIC708SM is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage obtained from the adjust pin. The pass transistor adjusts its resistance to maintain the desired output voltage, compensating for changes in input voltage and load conditions.

Application Field Plans

The MIC708SM is suitable for various applications requiring regulated voltage supply. Some potential application fields include:

1. Power supplies for microcontrollers and digital circuits.
2. Battery-powered devices requiring stable voltage levels.
3. Automotive electronics, such as infotainment systems and engine control units.
4. Industrial automation and control systems.
5. Communication equipment, including routers and switches.

Alternative Models

• MIC5205: Low dropout voltage regulator with fixed output voltage options.
• LM317: Adjustable linear voltage regulator with higher output current capability.
• LT1763: Low noise, low dropout voltage regulator suitable for sensitive applications.

These alternative models offer similar functionality and can be considered based on specific requirements.

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