VRE305BD

Product Overview

Category

VRE305BD belongs to the category of electronic voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage levels in electronic circuits.

Characteristics

• VRE305BD is a compact and versatile voltage regulator.
• It offers precise voltage regulation with low output ripple.
• The regulator operates within a wide input voltage range, making it suitable for various applications.
• It provides excellent load and line regulation, ensuring stable voltage output even under varying conditions.

Package

VRE305BD comes in a standard TO-220 package, which facilitates easy installation and heat dissipation.

Essence

The essence of VRE305BD lies in its ability to maintain a constant voltage output despite fluctuations in the input voltage.

Packaging/Quantity

Each package of VRE305BD contains one voltage regulator unit.

Specifications

• Input Voltage Range: 7V - 35V
• Output Voltage Range: 5V - 24V
• Maximum Output Current: 1.5A
• Dropout Voltage: 0.5V (typical)
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

VRE305BD has three pins:

1. Vin (Pin 1): This pin is used to connect the input voltage source.
2. Vout (Pin 2): The regulated output voltage is obtained from this pin.
3. GND (Pin 3): This pin is connected to the ground reference.

Functional Features

• Voltage Regulation: VRE305BD ensures a stable output voltage regardless of variations in the input voltage.
• Overcurrent Protection: The regulator incorporates overcurrent protection to safeguard connected devices.
• Thermal Shutdown: In case of excessive heat, the regulator automatically shuts down to prevent damage.
• Short Circuit Protection: VRE305BD is equipped with short circuit protection, preventing any harm due to accidental short circuits.

Advantages and Disadvantages

Advantages

• Precise voltage regulation ensures reliable performance of electronic devices.
• Wide input voltage range allows for versatile applications.
• Compact size and TO-220 package facilitate easy installation.
• Excellent load and line regulation provide stable output under varying conditions.

Disadvantages

• Maximum output current limited to 1.5A, which may not be sufficient for high-power applications.
• Dropout voltage of 0.5V may result in some power loss.

Working Principles

VRE305BD utilizes a feedback mechanism to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a constant output voltage. This feedback loop ensures stability and accuracy in voltage regulation.

Detailed Application Field Plans

VRE305BD finds applications in various fields, including:

1. Consumer Electronics: It can be used in power supplies for audio/video equipment, gaming consoles, and home appliances.
2. Automotive: VRE305BD is suitable for voltage regulation in automotive electronics, such as infotainment systems and lighting controls.
3. Industrial Automation: It can be employed in industrial control systems, motor drives, and PLCs (Programmable Logic Controllers).
4. Telecommunications: The regulator can be utilized in telecom infrastructure equipment, ensuring stable voltage supply to communication devices.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with similar characteristics and pin configuration.
2. L7805: Fixed 5V voltage regulator commonly used in electronic circuits.
3. LT1084: High-current adjustable voltage regulator suitable for demanding applications.

These alternative models offer similar functionality and can be considered as substitutes for VRE305BD based on specific requirements.

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