L78L08ACZTR

Product Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize the output voltage in electronic circuits
• Characteristics:
  • Low dropout voltage
  • Output current up to 100 mA
  • Fixed output voltage of 8V
• Package: TO-92 (3-pin)
• Essence: Linear voltage regulator
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Input Voltage Range: 10V to 35V
• Output Voltage: 8V
• Output Current: Up to 100 mA
• Dropout Voltage: 2V (maximum)
• Line Regulation: 50 mV (typical)
• Load Regulation: 100 mV (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L78L08ACZTR has three pins:

1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Connected to the ground reference of the circuit.
3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Regulates the output voltage to a fixed value of 8V.
• Provides a stable output voltage even when the input voltage fluctuates.
• Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
• Can handle output currents up to 100 mA.
• Offers protection against overcurrent and thermal overload.

Advantages and Disadvantages

Advantages: - Simple and easy to use. - Compact size and lightweight. - Suitable for low-power applications. - Provides stable output voltage.

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

Working Principles

The L78L08ACZTR 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 constant output voltage of 8V.

Detailed Application Field Plans

The L78L08ACZTR is commonly used in various electronic applications, including:

1. Battery-powered devices: Provides a stable voltage supply for portable electronics such as calculators, remote controls, and small audio devices.
2. Automotive electronics: Used in automotive circuits to regulate voltage for sensors, actuators, and other low-power components.
3. Industrial control systems: Ensures a consistent power supply for microcontrollers, sensors, and other control circuitry.
4. Home automation: Used in smart home devices to regulate voltage for sensors, communication modules, and low-power actuators.

Detailed and Complete Alternative Models

• LM7808: A popular alternative from Texas Instruments with similar specifications and pin configuration.
• UA78M08: Another alternative from Fairchild Semiconductor offering comparable performance and compatibility.

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