MIC708TN

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics:
  • Low dropout voltage regulator
  • Adjustable output voltage
  • High accuracy and stability
  • Low quiescent current
  • Thermal shutdown protection
• Package: TO-220
• Essence: Voltage Regulator
• Packaging/Quantity: Tube/100 pieces

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.8V
• Dropout Voltage: 0.6V typical at 1A load
• Quiescent Current: 75µA typical
• Output Current: Up to 1A
• Line Regulation: 0.05% typical
• Load Regulation: 0.1% typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MIC708TN has a standard TO-220 package with three pins:

1. Pin 1 (VIN): Input voltage pin.
2. Pin 2 (GND): Ground reference pin.
3. Pin 3 (VOUT): Output voltage pin.

Functional Features

• Low Dropout Voltage: The MIC708TN exhibits a low dropout voltage, ensuring efficient power delivery even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted within a wide range using external resistors, providing flexibility in various applications.
• High Accuracy and Stability: The voltage regulator offers high accuracy and stability, ensuring consistent output voltage under different load conditions and temperature variations.
• Low Quiescent Current: The device consumes low quiescent current, minimizing power wastage during standby or idle conditions.
• Thermal Shutdown Protection: The MIC708TN incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient power delivery. - Adjustable output voltage provides flexibility in different applications. - High accuracy and stability ensure consistent performance. - Low quiescent current minimizes power wastage. - Thermal shutdown protection prevents damage from overheating.

Disadvantages: - Limited output current capacity (up to 1A). - Requires external resistors for adjusting the output voltage.

Working Principles

The MIC708TN is a linear voltage regulator that operates by maintaining a constant voltage difference between the input and output terminals. It utilizes a pass transistor to regulate the output voltage based on the feedback received from an internal error amplifier. By comparing the output voltage with a reference voltage, the error amplifier adjusts the pass transistor's conduction to maintain the desired output voltage.

Detailed Application Field Plans

The MIC708TN finds applications in various fields, including:

1. Consumer Electronics: Power management in portable devices, such as smartphones, tablets, and digital cameras.
2. Automotive: Voltage regulation for automotive electronics, including infotainment systems, lighting, and sensors.
3. Industrial Control Systems: Power supply regulation for industrial control systems, PLCs (Programmable Logic Controllers), and motor drives.
4. Telecommunications: Voltage regulation in telecom equipment, such as routers, switches, and base stations.
5. Medical Devices: Power management in medical devices, including patient monitoring systems, infusion pumps, and diagnostic equipment.

Detailed and Complete Alternative Models

Some alternative models to the MIC708TN include:

1. LM1117-ADJ
2. LT1086-ADJ
3. MAX603CPA
4. TPS7A4700
5. ADP3339

These models offer similar functionality and can be considered as alternatives based on specific application requirements.

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