MIC708N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Adjustable Output
• Package: DIP-8 (Dual In-line Package, 8 pins)
• Essence: Regulates voltage to provide a stable output
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.5V to 16V
• Output Voltage Range: 1.25V to 13.5V
• Output Current: Up to 1A
• Dropout Voltage: 0.6V typical at 1A
• Quiescent Current: 75µA typical
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MIC708N has a total of 8 pins arranged as follows:

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| | --| Vout Gnd |-- Pin 1: Ground --| Vin N/C |-- Pin 2: Not Connected --| Adj N/C |-- Pin 3: Not Connected --| N/C N/C |-- Pin 4: Not Connected --| N/C N/C |-- Pin 5: Not Connected --| N/C N/C |-- Pin 6: Not Connected --| N/C N/C |-- Pin 7: Not Connected --| Vin Vout|-- Pin 8: Output Voltage |___________| ```

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.
• Internal thermal shutdown protects the device from overheating.
• Short-circuit protection prevents damage to the IC and connected components.

Advantages

• Wide input voltage range allows for versatile use in different systems.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• Adjustable output voltage suits various applications.
• High current capability enables powering demanding loads.
• Internal thermal shutdown and short-circuit protection enhance reliability.

Disadvantages

• Limited output current compared to some other voltage regulators.
• Not suitable for high-voltage applications above 16V.

Working Principles

The MIC708N is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor's resistance to maintain a stable output. The adjustable output voltage is set using an external resistor divider network connected to the ADJ pin.

Application Field Plans

The MIC708N is commonly used in various electronic devices and systems, including:

1. Battery-powered devices: Portable electronics, handheld instruments, etc.
2. Automotive applications: Powering sensors, actuators, and control modules.
3. Industrial equipment: Control systems, motor drives, and instrumentation.
4. Communication systems: Wireless devices, routers, and network equipment.
5. Consumer electronics: Audio/video equipment, gaming consoles, and appliances.

Alternative Models

Other alternative models that provide similar functionality to the MIC708N include:

1. LM317: Adjustable voltage regulator with higher output current capability.
2. LT1083: High-current, adjustable linear regulator with low dropout voltage.
3. LM1117: Fixed and adjustable voltage regulators with low dropout voltage.
4. L78xx: Series of fixed voltage regulators with different output voltages.
5. MAX603: Micropower, low-dropout voltage regulator with adjustable output.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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