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AN79L07M
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AN79L07M

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Low Dropout, Negative Voltage Regulator
  • Package: TO-220
  • Essence: AN79L07M is a negative voltage regulator IC that provides a regulated output voltage of -7V.
  • Packaging/Quantity: Available in reels or tubes, with varying quantities depending on the supplier.

Specifications

  • Input Voltage Range: -8V to -35V
  • Output Voltage: -7V
  • Output Current: Up to 100mA
  • Dropout Voltage: Typically 1.5V at 100mA
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AN79L07M has three pins:

  1. Input Pin (VIN): Connects to the input voltage source.
  2. Ground Pin (GND): Connected to the ground reference.
  3. Output Pin (VOUT): Provides the regulated -7V output voltage.

Functional Features

  • Regulation: AN79L07M ensures a stable -7V output voltage even when the input voltage varies within the specified range.
  • Low Dropout: The dropout voltage of approximately 1.5V allows for efficient regulation even when the input voltage is close to the desired output voltage.
  • Short Circuit Protection: The IC includes built-in protection against short circuits, preventing damage to the device.
  • Thermal Shutdown: AN79L07M incorporates thermal shutdown circuitry to protect itself from excessive heat.

Advantages and Disadvantages

Advantages

  • Provides a regulated -7V output voltage, suitable for various applications.
  • Low dropout voltage enables efficient regulation.
  • Built-in short circuit protection enhances reliability.
  • Thermal shutdown feature prevents overheating.

Disadvantages

  • Limited output current capacity (up to 100mA).
  • Requires a negative input voltage source.

Working Principles

AN79L07M operates as a linear voltage regulator. It uses a series pass transistor to regulate the output voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable -7V output.

Detailed Application Field Plans

AN79L07M finds applications in various electronic devices where a regulated -7V voltage is required. Some common application areas include:

  1. Audio Amplifiers: AN79L07M can be used to provide a stable negative supply voltage for audio amplifiers, ensuring proper operation and sound quality.
  2. Instrumentation Systems: It can be utilized in instrumentation systems that require a negative voltage reference or biasing.
  3. Industrial Control Systems: AN79L07M can be employed in industrial control systems where a regulated negative voltage is necessary for specific components or subsystems.

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to AN79L07M are:

  1. LM7907: Negative voltage regulator IC with similar specifications and pin configuration.
  2. MC79L07: Another negative voltage regulator IC offering -7V output voltage.
  3. ICL7667: Voltage converter IC that can generate a negative voltage from a positive input.

These alternatives can be considered based on specific requirements and availability.

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기술 솔루션에 AN79L07M 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of AN79L07M in technical solutions:

  1. Q: What is AN79L07M? A: AN79L07M is a voltage regulator IC (integrated circuit) that provides a fixed negative output voltage of -7V.

  2. Q: What is the input voltage range for AN79L07M? A: The input voltage range for AN79L07M is typically between -8V and -35V.

  3. Q: What is the maximum output current of AN79L07M? A: The maximum output current of AN79L07M is around 100mA.

  4. Q: Can AN79L07M be used in both AC and DC applications? A: Yes, AN79L07M can be used in both AC and DC applications as long as the input voltage falls within the specified range.

  5. Q: Is AN79L07M suitable for low-power applications? A: Yes, AN79L07M is commonly used in low-power applications where a stable negative voltage supply is required.

  6. Q: Does AN79L07M require any external components for operation? A: Yes, AN79L07M requires a few external components such as capacitors and resistors for proper operation and stability.

  7. Q: Can AN79L07M handle short-circuit conditions? A: AN79L07M has built-in protection features that allow it to handle short-circuit conditions without damage.

  8. Q: What is the typical dropout voltage of AN79L07M? A: The typical dropout voltage of AN79L07M is around 1.5V, which means the input voltage must be at least 1.5V higher than the desired output voltage.

  9. Q: Can AN79L07M be used in automotive applications? A: Yes, AN79L07M is suitable for automotive applications as long as the input voltage and current requirements are within its specifications.

  10. Q: Are there any alternative voltage regulators similar to AN79L07M? A: Yes, there are other voltage regulator ICs available in the market that provide similar functionality, such as LM79L07 or MC79L07.