NJR Corporation/NJRC
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NJM79L24UA
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NJM79L24UA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics:
    • Low dropout voltage
    • Output current up to 100mA
    • Fixed output voltage of -24V
  • Package: TO-92
  • Essence: Linear regulator
  • Packaging/Quantity: Bulk packaging, typically sold in reels of 2,500 units

Specifications

  • Input Voltage Range: -30V to -7V
  • Output Voltage: -24V
  • Output Current: Up to 100mA
  • Dropout Voltage: 1.2V (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NJM79L24UA has a TO-92 package with 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 -24V output.

Functional Features

  • Voltage Regulation: The NJM79L24UA regulates the input voltage to a fixed -24V output.
  • Low Dropout Voltage: With a dropout voltage of only 1.2V, it can operate efficiently 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: In case of excessive temperature, the IC shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages

  • Compact size and easy to integrate into various electronic circuits.
  • Low dropout voltage ensures efficient operation.
  • Built-in short circuit protection enhances reliability.
  • Thermal shutdown feature prevents overheating.

Disadvantages

  • Limited output current of up to 100mA.
  • Fixed output voltage may not be suitable for all applications.

Working Principles

The NJM79L24UA is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable -24V output.

Detailed Application Field Plans

The NJM79L24UA can be used in various applications, including:

  1. Power supply circuits for audio amplifiers.
  2. Battery-powered devices requiring a regulated -24V supply.
  3. Industrial control systems.
  4. Automotive electronics.
  5. Telecommunication equipment.

Detailed and Complete Alternative Models

  1. LM79L24: Similar specifications and pin configuration, available in TO-92 package.
  2. MC79L24: Equivalent voltage regulator IC, also available in TO-92 package.
  3. UA79L24: Alternative option with comparable characteristics, offered in TO-92 package.

(Note: The above list is not exhaustive and other alternative models may exist.)

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10 pirs û bersivên hevpar ên têkildarî sepana NJM79L24UA di çareseriyên teknîkî de navnîş bikin

Sure! Here are 10 common questions and answers related to the application of NJM79L24UA in technical solutions:

  1. Question: What is NJM79L24UA?
    - Answer: NJM79L24UA is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of -24V.

  2. Question: What is the purpose of using NJM79L24UA in technical solutions?
    - Answer: NJM79L24UA is commonly used to regulate and stabilize the voltage supply in various electronic circuits or systems.

  3. Question: What is the input voltage range for NJM79L24UA?
    - Answer: The input voltage range for NJM79L24UA is typically between -35V to -7V.

  4. Question: What is the maximum output current that NJM79L24UA can handle?
    - Answer: NJM79L24UA can handle a maximum output current of 100mA.

  5. Question: Can NJM79L24UA be used in both AC and DC applications?
    - Answer: Yes, NJM79L24UA can be used in both AC and DC applications as long as the input voltage falls within the specified range.

  6. Question: Is it necessary to use external components with NJM79L24UA?
    - Answer: Yes, external capacitors are required for proper stability and filtering. A minimum of two capacitors, one on the input and one on the output, are recommended.

  7. Question: Can NJM79L24UA handle overvoltage protection?
    - Answer: No, NJM79L24UA does not have built-in overvoltage protection. Additional circuitry or external components may be required for overvoltage protection.

  8. Question: What is the operating temperature range for NJM79L24UA?
    - Answer: The operating temperature range for NJM79L24UA is typically between -40°C to +85°C.

  9. Question: Can NJM79L24UA be used in battery-powered applications?
    - Answer: Yes, NJM79L24UA can be used in battery-powered applications as long as the input voltage falls within the specified range and the current requirements are met.

  10. Question: Are there any alternatives to NJM79L24UA for voltage regulation?
    - Answer: Yes, there are other voltage regulator ICs available in the market that provide similar functionality, such as LM79L24, MC79L24, etc.

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