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AN77L08M
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AN77L08M

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low dropout voltage, high current capability
  • Package: TO-252-3 (DPAK)
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 10V to 35V
  • Output Voltage: -8V
  • Dropout Voltage: 1.5V (typical)
  • Output Current: 500mA
  • Line Regulation: ±0.2%
  • Load Regulation: ±0.4%
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AN77L08M has three pins:

  1. Input (VIN): Connects to the input voltage source.
  2. Ground (GND): Connected to the ground reference.
  3. Output (VOUT): Provides the regulated -8V output.

Functional Features

  • Low dropout voltage: The AN77L08M can regulate the output voltage even when the input voltage is close to the desired output voltage.
  • High current capability: It can provide a maximum output current of 500mA, making it suitable for various applications.
  • Thermal shutdown protection: The IC includes built-in thermal shutdown protection to prevent damage due to excessive heat.

Advantages and Disadvantages

Advantages: - Compact package size - Wide input voltage range - Low dropout voltage - High current capability

Disadvantages: - Fixed output voltage (-8V) - Limited output current compared to higher-rated regulators

Working Principles

The AN77L08M is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the output voltage with a reference voltage and adjusting the pass transistor accordingly. When the input voltage is higher than the desired output voltage, the pass transistor reduces the excess voltage to maintain a stable -8V output.

Detailed Application Field Plans

The AN77L08M can be used in various applications that require a regulated -8V power supply. Some common application fields include:

  1. Audio Amplifiers: The IC can provide a stable negative voltage supply for audio amplifiers, ensuring accurate signal amplification.
  2. Industrial Control Systems: It can be used in industrial control systems to regulate voltages for sensors, actuators, and other components.
  3. Automotive Electronics: The AN77L08M can be employed in automotive electronics for powering various modules and subsystems.

Detailed and Complete Alternative Models

  1. LM79L08: This IC offers similar specifications and pin configuration as the AN77L08M.
  2. MC78L08: Another alternative with comparable characteristics and package type.
  3. UA79L08: A linear voltage regulator with -8V output and compatible pinout.

These alternative models can be considered based on specific requirements and availability.

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技術ソリューションにおける AN77L08M 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 AN77L08M in technical solutions:

  1. Q: What is AN77L08M? A: AN77L08M is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of -8V.

  2. Q: What is the input voltage range for AN77L08M? A: The input voltage range for AN77L08M is typically between -10V and -35V.

  3. Q: What is the maximum output current of AN77L08M? A: The maximum output current of AN77L08M is typically 500mA.

  4. Q: Can AN77L08M be used in both AC and DC applications? A: Yes, AN77L08M can be used in both AC and DC applications.

  5. Q: Is AN77L08M suitable for battery-powered devices? A: Yes, AN77L08M can be used in battery-powered devices as it has low quiescent current and low dropout voltage.

  6. Q: Can AN77L08M handle overcurrent or short-circuit conditions? A: AN77L08M has built-in protection features like thermal shutdown and current limiting to handle overcurrent or short-circuit conditions.

  7. Q: Does AN77L08M require any external components for operation? A: Yes, AN77L08M requires a few external components like input and output capacitors for stability and filtering.

  8. Q: What is the typical operating temperature range for AN77L08M? A: The typical operating temperature range for AN77L08M is -40°C to +125°C.

  9. Q: Can AN77L08M be used in automotive applications? A: Yes, AN77L08M is suitable for automotive applications as it meets the required specifications and has a wide operating temperature range.

  10. Q: Are there any recommended application circuits available for AN77L08M? A: Yes, the datasheet of AN77L08M provides recommended application circuits that can be used as a reference for designing with this IC.

Please note that the answers provided here are general and may vary depending on specific datasheet information and application requirements.