MC7905BD2TG

Product Overview

Category

MC7905BD2TG belongs to the category of voltage regulators.

Use

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

Characteristics

• Regulates voltage to a fixed value.
• Provides a stable output voltage even when the input voltage fluctuates.
• Protects sensitive components from voltage variations.
• Suitable for various electronic applications.

Package

MC7905BD2TG comes in a TO-220 package.

Essence

The essence of MC7905BD2TG is to ensure a constant and reliable voltage supply to electronic devices.

Packaging/Quantity

It is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: -35V to -10V
• Output Voltage: -5V
• Output Current: 1A
• Dropout Voltage: 2V (maximum)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

MC7905BD2TG has three pins:

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

Functional Features

• Voltage Regulation: MC7905BD2TG ensures a stable output voltage of -5V regardless of input voltage fluctuations.
• Overcurrent Protection: It incorporates overcurrent protection to safeguard connected devices.
• Thermal Shutdown: The regulator includes thermal shutdown protection to prevent overheating.

Advantages and Disadvantages

Advantages

• Reliable voltage regulation.
• Protection against voltage fluctuations.
• Compact size and easy integration into circuits.
• Cost-effective solution for voltage stabilization.

Disadvantages

• Limited output current capacity.
• Requires external components for proper operation.
• Not suitable for high-power applications.

Working Principles

MC7905BD2TG operates based on the principle of linear voltage regulation. It utilizes a series pass transistor to regulate the output voltage. The input voltage is compared to a reference voltage, and the difference is adjusted by controlling the pass transistor. This ensures a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

MC7905BD2TG finds application in various electronic devices and circuits, including:

1. Power Supplies: It is commonly used in power supply circuits to provide a stable voltage source.
2. Audio Amplifiers: MC7905BD2TG helps regulate the voltage supply in audio amplifier circuits, ensuring consistent performance.
3. Microcontrollers: It is employed in microcontroller circuits to maintain a steady voltage level for reliable operation.
4. Automotive Electronics: The regulator is utilized in automotive electronics to stabilize voltage for various components.

Detailed and Complete Alternative Models

1. LM7805: A popular alternative with similar specifications and functionality.
2. UA7905: Another voltage regulator offering comparable features.
3. L78M05: An alternative model suitable for low-power applications.

These alternative models can be considered based on specific requirements and availability.

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