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NJM78M08FA
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NJM78M08FA

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics: Fixed Output, Positive Polarity
  • Package: TO-220F
  • Essence: Linear Regulator
  • Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

  • Input Voltage Range: 10V to 35V
  • Output Voltage: 8V
  • Output Current: Up to 0.5A
  • Dropout Voltage: 2V (typical)
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)
  • Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

  1. Input Voltage (VIN)
  2. Ground (GND)
  3. Output Voltage (VOUT)

Functional Features

  • Fixed output voltage of 8V.
  • Low dropout voltage ensures efficient regulation even with low input voltages.
  • Excellent line and load regulation for stable output voltage.
  • Thermal shutdown protection prevents overheating.
  • Short-circuit current limiting protects the IC and connected components.

Advantages

  • Compact TO-220F package allows for easy integration into various electronic devices.
  • Wide input voltage range provides flexibility in different applications.
  • High accuracy and stability in voltage regulation.
  • Robust protection features enhance reliability and durability.

Disadvantages

  • Limited output current capability may not be suitable for high-power applications.
  • Dropout voltage may cause some power loss in low input voltage scenarios.

Working Principles

The NJM78M08FA is a linear voltage regulator that uses a fixed reference voltage to maintain a constant output voltage of 8V. It operates by comparing the output voltage with an internal reference voltage and adjusting the pass transistor accordingly to regulate the output voltage. The regulator also includes protection features such as thermal shutdown and short-circuit current limiting to ensure safe operation.

Detailed Application Field Plans

The NJM78M08FA is commonly used in various electronic devices that require a stable 8V power supply. Some typical application fields include: - Audio equipment - Industrial control systems - Automotive electronics - Power supplies for microcontrollers and other digital circuits

Detailed and Complete Alternative Models

  • LM7808: Similar fixed 8V voltage regulator from Texas Instruments.
  • MC7808: Another alternative from ON Semiconductor with the same specifications.
  • UA7808: Fixed 8V voltage regulator from Fairchild Semiconductor.

(Note: These are just a few examples; there are several other alternative models available in the market.)

This entry provides an overview of the NJM78M08FA voltage regulator, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi NJM78M08FA dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of NJM78M08FA in technical solutions:

  1. Q: What is NJM78M08FA? A: NJM78M08FA is a voltage regulator IC that provides a fixed output voltage of -8V.

  2. Q: What is the input voltage range for NJM78M08FA? A: The input voltage range for NJM78M08FA is typically between -10V and -35V.

  3. Q: What is the maximum output current of NJM78M08FA? A: The maximum output current of NJM78M08FA is 500mA.

  4. Q: Can NJM78M08FA be used in both AC and DC applications? A: Yes, NJM78M08FA can be used in both AC and DC applications.

  5. Q: Is NJM78M08FA suitable for automotive applications? A: No, NJM78M08FA is not suitable for automotive applications as it has limited temperature range and other specifications.

  6. Q: Can NJM78M08FA handle short circuit protection? A: Yes, NJM78M08FA has built-in short circuit protection.

  7. Q: What is the typical dropout voltage of NJM78M08FA? A: The typical dropout voltage of NJM78M08FA is around 2V.

  8. Q: Does NJM78M08FA require any external components for operation? A: Yes, NJM78M08FA requires input and output capacitors for stability and filtering.

  9. Q: Can NJM78M08FA be used in high-temperature environments? A: No, NJM78M08FA has a limited temperature range and may not be suitable for high-temperature environments.

  10. Q: What are some common applications of NJM78M08FA? A: Some common applications of NJM78M08FA include power supplies, voltage regulators, and general-purpose electronic circuits.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's recommendations for NJM78M08FA.