Panasonic Electronic Components
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AN77L08
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AN77L08

Product Overview

Category

AN77L08 belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • AN77L08 is a low-dropout linear voltage regulator.
  • It provides a fixed output voltage of 8V.
  • The device operates with a low quiescent current, making it suitable for battery-powered applications.
  • AN77L08 has built-in overcurrent and thermal protection features.

Package

The AN77L08 voltage regulator is available in a TO-220 package.

Essence

The essence of AN77L08 lies in its ability to regulate voltage efficiently and reliably.

Packaging/Quantity

AN77L08 is typically sold in reels or tubes, containing a specific quantity of units per package.

Specifications

  • Input Voltage Range: 10V - 35V
  • Output Voltage: 8V
  • Dropout Voltage: 1.5V (maximum)
  • Quiescent Current: 5mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AN77L08 consists of three pins:

  1. Input Pin (VIN): This pin is used to connect the input voltage source.
  2. Ground Pin (GND): This pin is connected to the ground reference of the circuit.
  3. Output Pin (VOUT): The regulated output voltage is obtained from this pin.

Functional Features

  • Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
  • Overcurrent protection safeguards the device and the connected circuitry from excessive current flow.
  • Thermal protection prevents the device from overheating, ensuring its longevity and reliability.

Advantages and Disadvantages

Advantages

  • Low dropout voltage enables efficient voltage regulation.
  • Built-in overcurrent and thermal protection enhance device safety.
  • Compact TO-220 package facilitates easy integration into various circuit designs.

Disadvantages

  • Fixed output voltage limits flexibility in certain applications requiring variable voltage regulation.
  • Limited input voltage range restricts its use in high-voltage applications.

Working Principles

AN77L08 operates based on the principle of linear voltage regulation. It compares the output voltage with a reference voltage and adjusts the current flow to maintain a stable output voltage, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

AN77L08 finds applications in various electronic devices and systems, including but not limited to: - Power supplies for microcontrollers and other integrated circuits. - Battery-powered devices such as portable audio players and handheld instruments. - Automotive electronics, providing regulated voltage to sensors and control modules.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to AN77L08 are: - LM7808: A widely used 8V linear voltage regulator with similar specifications. - MC78M08: Another 8V linear voltage regulator available in different packages. - LT1084: A high-current 8V linear voltage regulator suitable for demanding applications.

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

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de AN77L08 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of AN77L08 in technical solutions:

  1. Q: What is AN77L08? A: AN77L08 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of -8V.

  2. Q: What is the purpose of using AN77L08 in technical solutions? A: AN77L08 is commonly used to regulate and stabilize the voltage supply in various electronic circuits or systems.

  3. Q: What is the input voltage range for AN77L08? A: The input voltage range for AN77L08 typically varies from -10V to -35V.

  4. Q: What is the maximum output current of AN77L08? A: The maximum output current of AN77L08 is usually around 500mA.

  5. Q: Can AN77L08 be used in both AC and DC applications? A: Yes, AN77L08 can be used in both AC and DC applications as long as the input voltage falls within the specified range.

  6. Q: Is AN77L08 suitable for battery-powered devices? A: Yes, AN77L08 can be used in battery-powered devices as it efficiently regulates the voltage supply and helps extend battery life.

  7. Q: Does AN77L08 require any external components for operation? A: Yes, AN77L08 requires a few external components such as capacitors and resistors for proper operation and stability.

  8. Q: Can AN77L08 handle overvoltage protection? A: No, AN77L08 does not have built-in overvoltage protection. Additional circuitry may be required to protect against overvoltage conditions.

  9. Q: Are there any temperature limitations for AN77L08? A: AN77L08 typically operates within a specified temperature range, usually between -40°C to +125°C.

  10. Q: Can AN77L08 be used in automotive applications? A: Yes, AN77L08 is suitable for automotive applications as long as it meets the required specifications and temperature range.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's guidelines for AN77L08.