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L7805ACD2T-TR
Product Overview
Category
The L7805ACD2T-TR belongs to the category of voltage regulators.
Use
It is primarily used for regulating voltage in electronic circuits.
Characteristics
- Input Voltage Range: 7V to 35V
- Output Voltage: 5V
- Maximum Output Current: 1.5A
- Package Type: D2PAK
- Operating Temperature Range: -40°C to +125°C
Packaging/Quantity
The L7805ACD2T-TR is typically packaged in reels and comes in quantities of 2500 units per reel.
Specifications
- Input Voltage Range: 7V to 35V
- Output Voltage: 5V
- Output Current: Up to 1.5A
- Dropout Voltage: 2V (typical)
- Line Regulation: 0.04% (typical)
- Load Regulation: 0.1% (typical)
- Ripple Rejection Ratio: 62dB (typical)
- Quiescent Current: 6mA (typical)
- Thermal Shutdown Protection: Yes
Pin Configuration
The L7805ACD2T-TR has three pins:
- Input (VIN): This pin is connected to the input voltage source.
- Ground (GND): This pin is connected to the ground reference.
- Output (VOUT): This pin provides the regulated output voltage.
Functional Features
- Voltage Regulation: The L7805ACD2T-TR ensures a stable output voltage of 5V, regardless of variations in the input voltage.
- Overcurrent Protection: It incorporates overcurrent protection to safeguard the circuit from excessive current flow.
- Thermal Shutdown Protection: In case of overheating, the device shuts down to prevent damage.
- Low Dropout Voltage: The dropout voltage is minimal, ensuring efficient power conversion.
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications.
- High output current capability of up to 1.5A.
- Excellent line and load regulation characteristics ensure stable performance.
- Thermal shutdown protection prevents damage due to overheating.
Disadvantages
- Dropout voltage of 2V may limit its use in low voltage applications.
- Quiescent current of 6mA may be relatively high for power-sensitive designs.
Working Principles
The L7805ACD2T-TR 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-TR finds extensive application in various electronic devices and systems, including but not limited to: - Power supplies for microcontrollers and digital circuits. - Battery charging circuits. - Automotive electronics. - Industrial control systems. - Audio amplifiers.
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to the L7805ACD2T-TR include: - LM7805: A popular and widely used voltage regulator with similar specifications. - MC7805: Another commonly used linear voltage regulator. - LT1084: A high-current, low-dropout voltage regulator suitable for demanding applications.
These alternative models offer similar functionality and can be used as replacements depending on specific requirements.
In conclusion, the L7805ACD2T-TR is a voltage regulator with a wide input voltage range, stable output voltage, and various protective features. Its versatility makes it suitable for a wide range of applications in different industries.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de L7805ACD2T-TR en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of L7805ACD2T-TR in technical solutions:
Q: What is the L7805ACD2T-TR? A: The L7805ACD2T-TR is a voltage regulator IC that provides a fixed 5V output voltage.
Q: What is the maximum input voltage for the L7805ACD2T-TR? A: The maximum input voltage for the L7805ACD2T-TR is 35V.
Q: What is the maximum output current of the L7805ACD2T-TR? A: The maximum output current of the L7805ACD2T-TR is 1.5A.
Q: Can I use the L7805ACD2T-TR to regulate voltages other than 5V? A: No, the L7805ACD2T-TR is specifically designed to provide a fixed 5V output.
Q: Is it necessary to use a heatsink with the L7805ACD2T-TR? A: It depends on the power dissipation. If the input-output voltage difference is high or the load current is close to the maximum rating, a heatsink may be required.
Q: Can I connect multiple L7805ACD2T-TR regulators in parallel to increase the output current? A: Yes, you can connect multiple L7805ACD2T-TR regulators in parallel to share the load current.
Q: How do I calculate the power dissipation of the L7805ACD2T-TR? A: Power dissipation can be calculated by multiplying the voltage drop across the regulator (input voltage minus output voltage) with the load current.
Q: Can I use the L7805ACD2T-TR in automotive applications? A: Yes, the L7805ACD2T-TR is suitable for automotive applications as it can handle a wide input voltage range and has built-in protection features.
Q: What are the typical applications of the L7805ACD2T-TR? A: The L7805ACD2T-TR is commonly used to provide regulated 5V power supply for microcontrollers, sensors, and other low-power electronic devices.
Q: Is the L7805ACD2T-TR available in different package types? A: Yes, the L7805ACD2T-TR is available in various package types such as TO-220, TO-263, and DPAK, among others.
Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.