L7808CDT-TR

Product Overview

Category

L7808CDT-TR belongs to the category of voltage regulators.

Use

This product is commonly used to regulate and stabilize voltage levels in electronic circuits.

Characteristics

• Voltage Regulation: L7808CDT-TR provides a fixed output voltage of 8 volts.
• Current Capacity: It can handle a maximum current of 1.5 Amperes.
• Input Voltage Range: The input voltage range is typically between 10V and 35V.
• Temperature Range: It operates within a temperature range of -40°C to +125°C.

Package

L7808CDT-TR comes in a TO-252 package, also known as DPAK (Plastic Packaged Surface Mount).

Essence

The essence of L7808CDT-TR lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2,500 units per reel/tube.

Specifications

• Output Voltage: 8 volts
• Maximum Output Current: 1.5 Amperes
• Input Voltage Range: 10V to 35V
• Dropout Voltage: 2 volts (maximum)
• Line Regulation: 0.04% (typical)
• Load Regulation: 0.3% (typical)
• Quiescent Current: 6 mA (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Detailed Pin Configuration

L7808CDT-TR has three pins:

1. Input Pin (Pin 1): This pin is connected to the input voltage source.
2. Ground Pin (Pin 2): This pin is connected to the ground reference.
3. Output Pin (Pin 3): This pin provides the regulated output voltage.

Functional Features

• Voltage Regulation: L7808CDT-TR ensures a stable and constant output voltage of 8 volts, regardless of input voltage fluctuations.
• Thermal Shutdown Protection: It incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Short Circuit Protection: The device is designed to withstand short circuits without causing any harm to the regulator or the connected circuitry.

Advantages and Disadvantages

Advantages

• Reliable Voltage Regulation: L7808CDT-TR provides a stable output voltage, ensuring proper functioning of electronic devices.
• Easy to Use: With its simple three-pin configuration, it is easy to integrate into various circuit designs.
• Thermal and Short Circuit Protection: The built-in protections enhance the safety and durability of the device.

Disadvantages

• Limited Output Current: The maximum output current of 1.5 Amperes may not be sufficient for high-power applications.
• Dropout Voltage: The dropout voltage of 2 volts may limit its usability in low voltage applications.

Working Principles

L7808CDT-TR operates on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage based on the difference between the reference voltage and the input voltage. By adjusting the resistance within the regulator, it maintains a constant output voltage despite variations in the input voltage.

Detailed Application Field Plans

L7808CDT-TR finds applications in various electronic systems, including but not limited to: - Power supplies - Battery chargers - Audio amplifiers - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L7808CDT-TR are: - LM7808: A popular 8-volt voltage regulator from Texas Instruments. - MC7808: Another 8-volt voltage regulator from ON Semiconductor. - UA7808: An 8-volt linear voltage regulator manufactured by Fairchild Semiconductor.

These alternative models offer similar functionality and can be used as replacements based on specific requirements.

In conclusion, L7808CDT-TR is a voltage regulator that provides stable and regulated output voltage of 8 volts. It offers reliable voltage regulation, thermal and short circuit protection, making it suitable for various electronic applications. However, its limited output current and dropout voltage should be considered when selecting the appropriate voltage regulator for specific projects.