L7805ACD2T

Basic Information Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize voltage in electronic circuits
• Characteristics:
  • Output Voltage: 5V
  • Maximum Output Current: 1.5A
  • Input Voltage Range: 7V to 35V
• Package: D²PAK (TO-263)
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Output Voltage: 5V ±4%
• Output Current: Up to 1.5A
• Input Voltage Range: 7V to 35V
• Dropout Voltage: 2V (typical)
• Quiescent Current: 6mA (typical)
• Line Regulation: 55mV (typical)
• Load Regulation: 60mV (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L7805ACD2T has three pins: 1. Input (VIN): Connects to the input voltage source. 2. Ground (GND): Connected to the ground reference of the circuit. 3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Voltage Regulation: The L7805ACD2T ensures a stable 5V output regardless of input voltage fluctuations.
• Overcurrent Protection: It incorporates internal current limiting to protect the device from excessive currents.
• Thermal Shutdown: The regulator shuts down if the temperature exceeds the safe operating limit, preventing damage.
• Short Circuit Protection: In case of a short circuit, the device limits the output current to protect itself and the connected circuit.

Advantages and Disadvantages

Advantages: - Simple and easy to use. - Low dropout voltage. - Wide input voltage range. - High output current capability.

Disadvantages: - Generates significant heat during operation. - Requires external capacitors for stability. - Linear regulation results in lower efficiency compared to switching regulators.

Working Principles

The L7805ACD2T 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 and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

The L7805ACD2T finds applications in various electronic devices, including: 1. Power Supplies: It is commonly used to provide regulated power to microcontrollers, sensors, and other low-power components. 2. Audio Amplifiers: The stable 5V output is suitable for powering audio amplifier circuits. 3. Battery Chargers: It can be used in battery charging circuits to provide a regulated voltage for charging batteries.

Detailed and Complete Alternative Models

Some alternative models to the L7805ACD2T are: 1. LM7805: A popular and widely available linear voltage regulator with similar specifications. 2. MC7805: Another commonly used linear voltage regulator from a different manufacturer. 3. AMS1117-5.0: A low dropout linear voltage regulator with a 5V output.

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