NJR Corporation/NJRC
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NJM78M05FA
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NJM78M05FA

Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics:
    • Fixed Output Voltage: 5V
    • Maximum Output Current: 500mA
    • Input Voltage Range: 7V to 35V
  • Package: TO-220F
  • Essence: Linear Voltage Regulator
  • Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

  • Output Voltage: 5V ±4%
  • Output Current: Up to 500mA
  • Input Voltage Range: 7V to 35V
  • Dropout Voltage: 2V (typical)
  • Line Regulation: 0.2% (typical)
  • Load Regulation: 0.4% (typical)
  • Quiescent Current: 5mA (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NJM78M05FA has 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 output voltage.

Functional Features

  • Voltage Regulation: The NJM78M05FA provides a stable 5V output voltage regardless of variations in the input voltage or load conditions.
  • Overcurrent Protection: The IC incorporates overcurrent protection to safeguard against excessive current draw.
  • Thermal Shutdown: In case of excessive temperature, the device shuts down to prevent damage.
  • Short Circuit Protection: The regulator is designed to withstand short circuit conditions without damage.

Advantages and Disadvantages

Advantages: - Simple and reliable voltage regulation solution. - Low dropout voltage ensures efficient power conversion. - Compact TO-220F package allows for easy integration into various applications.

Disadvantages: - Limited output current capability (up to 500mA). - Requires external capacitors for stability.

Working Principles

The NJM78M05FA is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with a fraction of the output voltage and adjusts the pass transistor accordingly to maintain a stable 5V output.

Detailed Application Field Plans

The NJM78M05FA is commonly used in various electronic devices and applications, including:

  1. Power Supplies: Provides regulated 5V power for microcontrollers, sensors, and other digital components.
  2. Automotive Electronics: Used in automotive systems requiring stable voltage supply.
  3. Industrial Control Systems: Suitable for powering control circuits and sensors in industrial automation.
  4. Consumer Electronics: Integrated into audio/video equipment, gaming consoles, and other consumer devices.

Detailed and Complete Alternative Models

  1. LM7805: A popular alternative from Texas Instruments with similar specifications and pin configuration.
  2. MC78M05: Another alternative from ON Semiconductor offering comparable performance.
  3. UA78M05: A voltage regulator from Fairchild Semiconductor that can be used as a substitute.

(Note: This list is not exhaustive, and there are several other alternatives available in the market.)

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Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng NJM78M05FA sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of NJM78M05FA in technical solutions:

  1. Q: What is NJM78M05FA? A: NJM78M05FA is a voltage regulator IC (integrated circuit) that provides a fixed output voltage of 5V.

  2. Q: What is the input voltage range for NJM78M05FA? A: The input voltage range for NJM78M05FA is typically between 7V and 35V.

  3. Q: What is the maximum output current of NJM78M05FA? A: The maximum output current of NJM78M05FA is 500mA.

  4. Q: Can NJM78M05FA be used to regulate voltages other than 5V? A: No, NJM78M05FA is specifically designed to provide a fixed output voltage of 5V.

  5. Q: Is NJM78M05FA suitable for battery-powered applications? A: Yes, NJM78M05FA can be used in battery-powered applications as long as the input voltage is within the specified range.

  6. Q: Does NJM78M05FA require any external components for operation? A: Yes, NJM78M05FA requires input and output capacitors for stability and filtering purposes. Refer to the datasheet for recommended values.

  7. Q: Can NJM78M05FA handle high temperatures? A: NJM78M05FA has a maximum operating temperature of 125°C, making it suitable for most standard temperature environments.

  8. Q: Can NJM78M05FA handle short-circuit conditions? A: NJM78M05FA has built-in short-circuit protection, which helps prevent damage in case of a short circuit. However, it is always recommended to avoid prolonged short-circuit conditions.

  9. Q: Can NJM78M05FA be used in automotive applications? A: Yes, NJM78M05FA can be used in automotive applications as long as the input voltage and temperature requirements are met.

  10. Q: Are there any alternatives to NJM78M05FA for voltage regulation? A: Yes, there are several other voltage regulator ICs available in the market that provide similar functionality. Some popular alternatives include LM7805, AMS1117, and LT1084.

Please note that these answers are general and may vary depending on specific application requirements. Always refer to the datasheet and consult with an expert when designing technical solutions.