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.