Panasonic Electronic Components
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AN79L24
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AN79L24

Product Overview

Category

AN79L24 belongs to the category of voltage regulators.

Use

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

Characteristics

  • AN79L24 is a low-power, fixed negative voltage regulator.
  • It provides a constant output voltage of -24V.
  • The regulator operates within a wide input voltage range.
  • It offers excellent line and load regulation.
  • AN79L24 has built-in overcurrent and thermal protection features.

Package

The AN79L24 voltage regulator is available in a TO-92 package.

Essence

The essence of AN79L24 lies in its ability to provide a stable and regulated -24V output voltage.

Packaging/Quantity

AN79L24 is typically sold in packs containing multiple units. The exact quantity may vary depending on the manufacturer.

Specifications

  • Input Voltage Range: 26V to 40V
  • Output Voltage: -24V
  • Output Current: 100mA
  • Dropout Voltage: 2V (max)
  • Line Regulation: 0.5% (typ)
  • Load Regulation: 1% (typ)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AN79L24 features 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 or reference potential.
  3. Output Pin (Vout): This pin provides the regulated -24V output voltage.

Functional Features

  • Regulates and stabilizes voltage to -24V.
  • Provides excellent line and load regulation.
  • Incorporates overcurrent and thermal protection mechanisms.
  • Suitable for low-power applications.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows flexibility in various applications.
  • Built-in overcurrent and thermal protection enhance safety.
  • Compact TO-92 package facilitates easy integration into circuits.

Disadvantages

  • Limited output current capacity (100mA).
  • Dropout voltage of 2V may affect efficiency in certain scenarios.

Working Principles

AN79L24 operates based on the principle of linear voltage regulation. It utilizes a series pass transistor to regulate the output voltage. The internal circuitry compares the output voltage with a reference voltage, adjusting the pass transistor accordingly to maintain a stable -24V output.

Detailed Application Field Plans

AN79L24 finds application in various electronic devices and systems, including but not limited to: - Power supplies - Audio amplifiers - Industrial control systems - Automotive electronics - Battery charging circuits

Detailed and Complete Alternative Models

Some alternative models that can be considered as substitutes for AN79L24 are: - LM79L24 - MC79L24 - UA79L24 - L79L24

These models offer similar functionality and characteristics, providing a regulated -24V output voltage.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací AN79L24 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of AN79L24 in technical solutions:

  1. Q: What is AN79L24? A: AN79L24 is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of -24V.

  2. Q: What is the purpose of using AN79L24 in technical solutions? A: AN79L24 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 AN79L24? A: The input voltage range for AN79L24 typically varies from -30V to -40V.

  4. Q: What is the maximum output current supported by AN79L24? A: AN79L24 can support a maximum output current of 100mA.

  5. Q: Can AN79L24 be used in both AC and DC applications? A: Yes, AN79L24 can be used in both AC and DC applications as long as the input voltage falls within the specified range.

  6. Q: Is AN79L24 suitable for low-power applications? A: Yes, AN79L24 is commonly used in low-power applications due to its low quiescent current and small package size.

  7. Q: Does AN79L24 require any external components for operation? A: Yes, AN79L24 requires a few external components such as capacitors for stability and noise filtering.

  8. Q: Can AN79L24 handle overvoltage or short-circuit conditions? A: No, AN79L24 does not have built-in protection against overvoltage or short-circuit conditions. External protection circuitry may be required.

  9. Q: Are there any temperature limitations for AN79L24? A: AN79L24 typically operates within a temperature range of -40°C to +85°C. Beyond this range, its performance may be affected.

  10. Q: Can AN79L24 be used in automotive applications? A: Yes, AN79L24 is suitable for automotive applications as long as the operating conditions and temperature range are within its specifications.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's guidelines for AN79L24.