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AN79L24M
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AN79L24M

Product Overview

Category

AN79L24M belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

  • AN79L24M is a low-power, fixed-voltage regulator.
  • It provides a regulated output voltage of -24V.
  • The device operates within a wide input voltage range.
  • It has built-in protection features such as thermal shutdown and current limiting.

Package

AN79L24M is available in a TO-220 package.

Essence

The essence of AN79L24M lies in its ability to provide a stable and regulated -24V output voltage.

Packaging/Quantity

AN79L24M is typically sold in reels or tubes containing a specific quantity of units. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 25V to 40V
  • Output Voltage: -24V
  • Output Current: Up to 100mA
  • Dropout Voltage: 1.7V (max)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AN79L24M has 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.
  3. Output Pin (Vout): The regulated -24V output voltage is obtained from this pin.

Functional Features

  • Low quiescent current consumption.
  • Excellent line and load regulation.
  • Built-in over-temperature and over-current protection.
  • Short-circuit protection.

Advantages

  • Provides a stable and regulated -24V output voltage.
  • Wide input voltage range allows flexibility in various applications.
  • Compact TO-220 package facilitates easy integration into circuits.
  • Built-in protection features ensure the safety of the device and connected components.

Disadvantages

  • Limited output current capacity (up to 100mA).
  • Dropout voltage may cause a slight voltage drop across the regulator.

Working Principles

AN79L24M operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage. The input voltage is compared to a reference voltage, and the difference is adjusted by controlling the pass transistor. This ensures that the output voltage remains constant even with varying input voltages.

Detailed Application Field Plans

AN79L24M finds applications in various electronic devices and circuits where a stable -24V voltage supply is required. Some common application areas include:

  1. Power supply units for audio amplifiers.
  2. Industrial control systems.
  3. Automotive electronics.
  4. Telecommunications equipment.
  5. Medical devices.

Detailed and Complete Alternative Models

Some alternative models that can be used as substitutes for AN79L24M are:

  1. LM337: A negative voltage regulator with similar characteristics.
  2. LT1963: A low dropout voltage regulator suitable for higher current applications.
  3. MC7912: Another -24V voltage regulator option.

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

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技術ソリューションにおける AN79L24M 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 AN79L24M in technical solutions:

  1. Q: What is AN79L24M? A: AN79L24M is a voltage regulator IC (Integrated Circuit) that provides a fixed output voltage of -24V.

  2. Q: What is the input voltage range for AN79L24M? A: The input voltage range for AN79L24M is typically between -30V to -40V.

  3. Q: What is the maximum output current of AN79L24M? A: The maximum output current of AN79L24M is usually around 100mA.

  4. Q: Can AN79L24M be used in both AC and DC applications? A: Yes, AN79L24M can be used in both AC and DC applications as long as the input voltage falls within the specified range.

  5. Q: Is AN79L24M suitable for low-power applications? A: Yes, AN79L24M is commonly used in low-power applications where a stable -24V output voltage is required.

  6. Q: Does AN79L24M require any external components for operation? A: Yes, AN79L24M requires a few external components such as capacitors for stability and noise filtering.

  7. Q: Can AN79L24M handle short-circuit conditions? A: AN79L24M has built-in protection features that allow it to handle short-circuit conditions without damage.

  8. Q: What is the typical dropout voltage of AN79L24M? A: The typical dropout voltage of AN79L24M is around 2V, meaning the input voltage must be at least 2V higher than the desired output voltage.

  9. Q: Can AN79L24M be used in automotive applications? A: Yes, AN79L24M is suitable for automotive applications as long as the input voltage and current requirements are within its specifications.

  10. Q: Are there any recommended heat dissipation measures for AN79L24M? A: AN79L24M may require a heat sink or proper PCB layout to dissipate excess heat, especially when operating at higher currents.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's recommendations for AN79L24M.