L7805CV-DG

Product Overview

Category

L7805CV-DG belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Input Voltage Range: 7V to 35V
• Output Voltage: 5V
• Maximum Output Current: 1.5A
• Package Type: TO-220
• Operating Temperature Range: -40°C to +125°C
• Dropout Voltage: 2V (typical)

Packaging/Quantity

The L7805CV-DG is typically available in a standard TO-220 package. It is commonly sold in reels or tubes, with quantities varying based on the supplier.

Specifications

• Input Voltage Range: 7V to 35V
• Output Voltage: 5V
• Output Current: Up to 1.5A
• Dropout Voltage: 2V (typical)
• Line Regulation: 55mV (typical)
• Load Regulation: 60mV (typical)
• Ripple Rejection Ratio: 62dB (typical)
• Quiescent Current: 6mA (typical)
• Thermal Shutdown Protection: Yes
• Short Circuit Protection: Yes

Pin Configuration

The L7805CV-DG has three pins:

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

Functional Features

• Voltage Regulation: The L7805CV-DG ensures a stable output voltage of 5V, regardless of variations in the input voltage.
• Overcurrent Protection: It incorporates short circuit protection, preventing damage to the regulator and the connected circuitry.
• Thermal Shutdown: In case of excessive temperature, the regulator shuts down to prevent overheating and potential damage.
• Low Dropout Voltage: The dropout voltage of 2V ensures efficient regulation even when the input voltage is close to the desired output voltage.

Advantages

• Easy to Use: The L7805CV-DG requires minimal external components for operation.
• Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for various applications.
• Reliable Performance: With built-in protection features, it offers reliable and stable voltage regulation.
• Cost-Effective: The L7805CV-DG provides an affordable solution for voltage regulation needs.

Disadvantages

• Heat Dissipation: Due to its linear regulation mechanism, the L7805CV-DG may generate significant heat during operation. Adequate heat sinking may be required in certain applications.

Working Principles

The L7805CV-DG 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 to adjust the pass transistor's resistance, maintaining a constant output voltage.

Detailed Application Field Plans

The L7805CV-DG finds applications in various electronic devices and systems, including:

1. Power Supplies: It is commonly used in power supply circuits to provide a stable 5V output for microcontrollers, sensors, and other components.
2. Automotive Electronics: The regulator is utilized in automotive applications to regulate voltage for various electronic systems, such as infotainment systems, lighting, and control modules.
3. Industrial Control Systems: It is employed in industrial control systems to ensure stable voltage for PLCs (Programmable Logic Controllers), motor drives, and other critical components.
4. Consumer Electronics: The L7805CV-DG is found in numerous consumer electronics devices, including audio/video equipment, home appliances, and portable devices.

Detailed and Complete Alternative Models

• LM7805: A popular alternative from Texas Instruments with similar specifications and pin configuration.
• MC7805: Another alternative from ON Semiconductor, offering comparable performance and compatibility.

These alternatives can be considered based on availability, pricing, and specific application requirements.

Word count: 536 words