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L7808ABV-DG
Product Overview
- Category: Voltage Regulator
- Use: To regulate and stabilize the output voltage in electronic circuits
- Characteristics:
- Fixed output voltage of 8V
- Maximum output current of 1.5A
- Low dropout voltage
- Thermal shutdown protection
- Package: TO-220
- Essence: Integrated circuit (IC)
- Packaging/Quantity: Tape and reel, 2,500 units per reel
Specifications
- Input Voltage Range: 10V to 35V
- Output Voltage: 8V
- Output Current: Up to 1.5A
- Dropout Voltage: 2V (typical)
- Quiescent Current: 6mA (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The L7808ABV-DG has three pins:
- Input Pin (VIN): Connects to the input voltage source.
- Ground Pin (GND): Connected to the ground reference.
- Output Pin (VOUT): Provides the regulated output voltage.
Functional Features
- Regulates the output voltage to a fixed 8V regardless of input variations.
- Provides thermal shutdown protection to prevent overheating.
- Low dropout voltage ensures efficient regulation even with low input-output differentials.
- Suitable for use in various electronic applications requiring a stable 8V power supply.
Advantages and Disadvantages
Advantages: - Fixed output voltage simplifies circuit design. - High output current capability (up to 1.5A) allows for powering multiple components. - Thermal shutdown protection enhances safety and reliability. - Wide operating temperature range enables usage in extreme environments.
Disadvantages: - Fixed output voltage limits flexibility in applications requiring different voltages. - Dropout voltage may cause power dissipation and affect efficiency in low input-output differential scenarios.
Working Principles
The L7808ABV-DG is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage (internal to the IC) with the feedback voltage from the output, adjusting the pass transistor's resistance to maintain a constant 8V output. The thermal shutdown protection ensures that the device shuts down if the temperature exceeds a safe limit, preventing damage.
Detailed Application Field Plans
The L7808ABV-DG can be used in various electronic applications, including but not limited to: - Power supplies for microcontrollers, sensors, and other digital components - Battery charging circuits - Audio amplifiers - Motor control circuits - LED lighting systems
Detailed and Complete Alternative Models
Some alternative models to the L7808ABV-DG include: - LM7808: Similar specifications and pin configuration, available in different packages - MC7808: Comparable performance, available in TO-220 package - UA7808: Equivalent functionality, offered in various package options
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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van L7808ABV-DG in technische oplossingen
Sure! Here are 10 common questions and answers related to the application of L7808ABV-DG in technical solutions:
Q: What is L7808ABV-DG? A: L7808ABV-DG is a voltage regulator IC that provides a fixed output voltage of +8V.
Q: What is the maximum input voltage for L7808ABV-DG? A: The maximum input voltage for L7808ABV-DG is 35V.
Q: What is the output current capability of L7808ABV-DG? A: L7808ABV-DG can provide an output current of up to 1.5A.
Q: Can L7808ABV-DG be used to regulate negative voltages? A: No, L7808ABV-DG is designed to regulate positive voltages only.
Q: Is it necessary to use an external heat sink with L7808ABV-DG? A: It depends on the power dissipation and ambient temperature. In some cases, an external heat sink may be required.
Q: Can L7808ABV-DG be used in automotive applications? A: Yes, L7808ABV-DG is suitable for automotive applications as it meets the relevant standards.
Q: What is the dropout voltage of L7808ABV-DG? A: The typical dropout voltage of L7808ABV-DG is around 2V.
Q: Can L7808ABV-DG handle short-circuit conditions? A: Yes, L7808ABV-DG has built-in protection features to handle short-circuit conditions.
Q: Can L7808ABV-DG be used in high-temperature environments? A: L7808ABV-DG has a maximum operating temperature of 150°C, making it suitable for many high-temperature applications.
Q: What are the typical applications of L7808ABV-DG? A: L7808ABV-DG is commonly used in various technical solutions such as power supplies, voltage regulators, and control circuits where a fixed +8V output is required.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.