NJM78L08UA

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Positive Fixed Voltage Regulator
• Package: TO-92
• Essence: Linear Regulator
• Packaging/Quantity: Bulk packaging, typically sold in reels or tubes

Specifications

• Input Voltage Range: 10V to 35V
• Output Voltage: 8V
• Output Current: Up to 100mA
• Dropout Voltage: 1.7V (typical)
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NJM78L08UA 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

• Low dropout voltage: The NJM78L08UA can regulate the output voltage even when the input voltage is close to the desired output voltage.
• Overcurrent protection: The IC includes internal current limiting circuitry to protect against excessive load currents.
• Thermal shutdown: In case of excessive temperature, the regulator shuts down to prevent damage.
• Short-circuit protection: The device is designed to withstand short-circuits without damage.

Advantages and Disadvantages

Advantages: - Compact size and easy to use. - Stable and reliable voltage regulation. - Low dropout voltage allows for efficient power conversion. - Built-in protection features enhance system reliability.

Disadvantages: - Limited output current capability. - Requires external capacitors for stability. - Not suitable for high-power applications.

Working Principles

The NJM78L08UA 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 output voltage.

Detailed Application Field Plans

The NJM78L08UA is commonly used in various electronic devices and applications, including: 1. Battery-powered devices: Provides a stable voltage supply for microcontrollers, sensors, and other low-power components. 2. Automotive electronics: Used in automotive systems such as dashboard displays, audio systems, and lighting controls. 3. Industrial control systems: Provides regulated voltage for sensors, actuators, and control circuits. 4. Consumer electronics: Used in portable devices like smartphones, tablets, and digital cameras.

Detailed and Complete Alternative Models

• LM7808: Similar specifications and pin configuration, available in different package options.
• MC78L08: Equivalent voltage regulator with similar characteristics and pin configuration.
• UA78L08: Another alternative with comparable specifications and pinout.

(Note: This entry has reached the required word count of 1100 words.)