Encyclopedia Entry: 82V2058LBB

Product Information Overview

• Category: Electronic Component
• Use: Voltage Regulator
• Characteristics: High precision, Low dropout voltage, Adjustable output voltage
• Package: TO-220
• Essence: Regulates input voltage to a desired output voltage level
• Packaging/Quantity: Individually packaged, Quantity per package: 1

Specifications

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 1.25V - 37V
• Output Current: Up to 3A
• Dropout Voltage: 0.6V (typical)
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The 82V2058LBB voltage regulator 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

• High precision regulation of output voltage.
• Low dropout voltage ensures efficient power conversion.
• Adjustable output voltage allows flexibility in application.
• Built-in thermal shutdown protection prevents overheating.
• Short-circuit and overcurrent protection for enhanced safety.

Advantages and Disadvantages

Advantages: - High precision regulation for accurate voltage control. - Low dropout voltage minimizes power loss. - Adjustable output voltage suits various applications. - Thermal shutdown and protection features enhance safety.

Disadvantages: - Limited maximum output current (up to 3A). - Requires external components for certain applications. - Relatively higher cost compared to basic voltage regulators.

Working Principles

The 82V2058LBB voltage regulator operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage level. The device utilizes a series pass transistor to regulate the voltage, ensuring that the output voltage remains constant even when the input voltage or load conditions change.

Detailed Application Field Plans

The 82V2058LBB voltage regulator finds applications in various fields, including:

1. Power Supply Units: Used in power supply circuits to provide regulated voltage to electronic devices.
2. Automotive Electronics: Ensures stable voltage supply for automotive systems, such as infotainment systems and engine control units.
3. Industrial Control Systems: Provides reliable voltage regulation for industrial automation equipment and control systems.
4. Telecommunications: Used in telecom infrastructure to regulate voltage for stable operation of communication devices.
5. Consumer Electronics: Suitable for use in portable devices, audio/video equipment, and other consumer electronics requiring precise voltage regulation.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with similar characteristics and package type.
2. LT1083: High current, adjustable linear voltage regulator suitable for demanding applications.
3. LM7805: Fixed output voltage regulator with a TO-220 package, commonly used for +5V applications.
4. LM1117: Low dropout voltage regulator available in various fixed output voltage options.
5. LM2940: Adjustable output voltage regulator with low dropout voltage and high current capability.

(Note: This is not an exhaustive list; there are numerous alternative models available in the market.)

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