L7815ABV

Product Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize the output voltage in electronic circuits
• Characteristics: High precision, low dropout voltage, thermal overload protection
• Package: TO-220
• Essence: Integrated circuit (IC)
• Packaging/Quantity: Tape and reel packaging, 1000 units per reel

Specifications

• Output Voltage: 15V
• Input Voltage Range: 17V to 35V
• Output Current: Up to 1.5A
• Dropout Voltage: 2V (maximum)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L7815ABV voltage regulator has three pins:

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

Functional Features

• High Precision: The L7815ABV offers a high level of output voltage accuracy, ensuring stable performance in various applications.
• Low Dropout Voltage: With a maximum dropout voltage of 2V, this regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Thermal Overload Protection: The IC incorporates thermal shutdown circuitry that protects it from overheating, preventing damage to the device.

Advantages and Disadvantages

Advantages: - High precision regulation - Low dropout voltage - Thermal overload protection ensures device safety

Disadvantages: - Limited output current capacity (up to 1.5A) - Requires external capacitors for stability

Working Principles

The L7815ABV 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.

Detailed Application Field Plans

The L7815ABV is commonly used in various electronic applications, including:

1. Power Supplies: It can be used to regulate the voltage in power supply circuits, ensuring a stable and reliable power source.
2. Audio Amplifiers: The voltage regulator helps maintain a consistent voltage level in audio amplifier circuits, preventing distortion and ensuring high-quality sound output.
3. Industrial Control Systems: It finds application in industrial control systems where precise and stable voltage regulation is required for proper operation.

Detailed and Complete Alternative Models

1. LM7815: A popular alternative from Texas Instruments with similar specifications and pin configuration.
2. UA7815: Another alternative from Fairchild Semiconductor, offering comparable performance and compatibility.

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