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AN78L08M
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AN78L08M

Product Overview

Category

AN78L08M belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

  • AN78L08M is a low-power, fixed positive voltage regulator.
  • It provides a constant output voltage of +8V.
  • It operates within a specified input voltage range.
  • It has built-in protection features such as thermal shutdown and overcurrent protection.

Package

AN78L08M is available in a TO-252 package.

Essence

The essence of AN78L08M lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

AN78L08M is typically sold in reels or tubes containing a specific quantity, usually 1000 units per reel.

Specifications

  • Input Voltage Range: 10V to 35V
  • Output Voltage: +8V
  • Output Current: Up to 100mA
  • Dropout Voltage: 2V (max)
  • Quiescent Current: 5mA (typ)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AN78L08M has three pins:

  1. Input Pin (VIN): This pin is connected to the input voltage source.
  2. Ground Pin (GND): This pin is connected to the ground reference.
  3. Output Pin (VOUT): This pin provides the regulated output voltage.

Functional Features

  • Regulates and stabilizes the output voltage at +8V.
  • Provides protection against thermal overload and overcurrent conditions.
  • Low dropout voltage ensures efficient operation even with low input voltages.
  • Compact size and easy integration into electronic circuits.

Advantages

  • Simple and straightforward design.
  • Cost-effective solution for voltage regulation.
  • Reliable performance under varying load conditions.
  • Wide operating temperature range allows for use in extreme environments.

Disadvantages

  • Limited output current capacity.
  • Dropout voltage may affect efficiency in certain applications.
  • Not suitable for high-power applications.

Working Principles

AN78L08M operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage by adjusting the current flow through it. The internal circuitry monitors the input and output voltages, ensuring that the output remains constant at +8V within the specified input voltage range.

Detailed Application Field Plans

AN78L08M finds application in various electronic devices and circuits, including:

  1. Battery-powered devices: Provides stable voltage supply for portable electronics such as smartphones, tablets, and digital cameras.
  2. Automotive electronics: Regulates voltage for automotive systems, including infotainment systems, lighting, and sensors.
  3. Industrial control systems: Ensures reliable voltage regulation in industrial automation and control systems.
  4. Consumer electronics: Used in audio/video equipment, gaming consoles, and home appliances.
  5. Communication systems: Provides regulated voltage for routers, modems, and other networking equipment.

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for AN78L08M include:

  1. LM7808: A popular 8V voltage regulator from Texas Instruments.
  2. MC78L08: Another 8V voltage regulator offered by ON Semiconductor.
  3. UA78L08: An 8V voltage regulator manufactured by Fairchild Semiconductor.

These alternatives have similar specifications and pin configurations, making them suitable replacements for AN78L08M in various applications.

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技術ソリューションにおける AN78L08M の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of AN78L08M in technical solutions:

  1. Q: What is AN78L08M? A: AN78L08M is a voltage regulator IC that provides a fixed output voltage of +8V.

  2. Q: What is the input voltage range for AN78L08M? A: The input voltage range for AN78L08M is typically between +9V and +35V.

  3. Q: What is the maximum output current of AN78L08M? A: The maximum output current of AN78L08M is 100mA.

  4. Q: Can AN78L08M handle reverse polarity protection? A: No, AN78L08M does not have built-in reverse polarity protection. External protection measures should be implemented.

  5. Q: Is AN78L08M suitable for battery-powered applications? A: Yes, AN78L08M can be used in battery-powered applications as long as the input voltage is within the specified range.

  6. Q: Does AN78L08M require any external components for operation? A: Yes, AN78L08M requires input and output capacitors for stability. Refer to the datasheet for recommended values.

  7. Q: Can AN78L08M tolerate high temperatures? A: AN78L08M has a maximum operating temperature of 125°C, so it can withstand relatively high temperatures.

  8. Q: Can AN78L08M be used in automotive applications? A: Yes, AN78L08M can be used in automotive applications as long as the operating conditions are within its specifications.

  9. Q: What is the dropout voltage of AN78L08M? A: The dropout voltage of AN78L08M is typically around 2V, meaning the input voltage must be at least 2V higher than the desired output voltage.

  10. Q: Can AN78L08M handle short-circuit conditions? A: AN78L08M has built-in overcurrent protection, which allows it to handle short-circuit conditions without damage. However, prolonged short circuits should be avoided.

Please note that these answers are general and may vary depending on the specific application and datasheet of AN78L08M.