NJR Corporation/NJRC
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NJM78L05A
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NJM78L05A

Product Overview

Category

The NJM78L05A belongs to the category of linear voltage regulators.

Use

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

Characteristics

  • Low dropout voltage
  • High ripple rejection
  • Short-circuit protection

Package

The NJM78L05A comes in a TO-92 package.

Essence

The essence of the NJM78L05A lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The NJM78L05A is typically available in reels or tubes with varying quantities, depending on the supplier.

Specifications

  • Input Voltage Range: 7V to 20V
  • Output Voltage: 5V
  • Maximum Output Current: 100mA
  • Dropout Voltage: 1.7V (typical)
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The NJM78L05A has three pins: 1. Input (Vin) 2. Ground (GND) 3. Output (Vout)

Functional Features

  • Voltage Regulation
  • Overcurrent Protection
  • Thermal Shutdown

Advantages

  • Small form factor
  • Easy to use
  • Cost-effective solution for voltage regulation

Disadvantages

  • Limited maximum output current
  • Higher dropout voltage compared to some modern alternatives

Working Principles

The NJM78L05A operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a constant output voltage.

Detailed Application Field Plans

The NJM78L05A is commonly used in: - Battery-powered devices - Sensor modules - Audio amplifiers - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models to the NJM78L05A include: - LM7805 - L78L05 - UA78L05

In conclusion, the NJM78L05A is a reliable linear voltage regulator with essential features for various electronic applications. Its compact size and ease of use make it a popular choice despite its limitations in maximum output current and dropout voltage.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением NJM78L05A в технических решениях.

Sure, here are 10 common questions and answers related to the application of NJM78L05A:

  1. What is NJM78L05A?

    • NJM78L05A is a positive voltage regulator that provides a fixed 5V output.

  2. What is the input voltage range for NJM78L05A?

    • The input voltage range for NJM78L05A is typically 7V to 20V.

  3. What is the maximum output current of NJM78L05A?

    • The maximum output current of NJM78L05A is 100mA.

  4. Can NJM78L05A handle higher input voltages?

    • No, NJM78L05A is designed to handle input voltages within its specified range. Exceeding this range may damage the device.

  5. Is a heat sink required for NJM78L05A?

    • For most applications, a heat sink is not required due to the low power dissipation of NJM78L05A.

  6. Can NJM78L05A be used in automotive applications?

    • Yes, NJM78L05A can be used in automotive applications as long as the operating conditions are within its specified limits.

  7. What are the typical applications of NJM78L05A?

    • NJM78L05A is commonly used in powering microcontrollers, sensors, and other low-power electronic components.

  8. Does NJM78L05A require external capacitors?

    • Yes, NJM78L05A requires input and output capacitors for stability and noise reduction.

  9. Can NJM78L05A be used in battery-powered devices?

    • Yes, NJM78L05A's low quiescent current makes it suitable for battery-powered devices where power efficiency is important.

  10. Are there any alternatives to NJM78L05A?

    • Yes, there are alternative 5V voltage regulators available, such as LM7805 and MC7805, which can be used based on specific design requirements.

I hope these questions and answers are helpful! Let me know if you need further assistance.