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SG7905AT-883B
Product Overview
Category
SG7905AT-883B belongs to the category of integrated circuits (ICs).
Use
This product is commonly used in electronic devices for voltage regulation purposes.
Characteristics
- Voltage regulator IC
- High reliability and durability
- Wide operating temperature range
- Low dropout voltage
- Excellent line and load regulation
Package
SG7905AT-883B is available in a TO-220 package, which provides efficient heat dissipation.
Essence
The essence of SG7905AT-883B lies in its ability to regulate voltage effectively, ensuring stable and reliable performance of electronic devices.
Packaging/Quantity
This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of SG7905AT-883B ICs.
Specifications
- Input Voltage Range: -7V to -25V
- Output Voltage: -5V
- Maximum Output Current: 1A
- Dropout Voltage: 2V (maximum)
- Operating Temperature Range: -55°C to +125°C
Detailed Pin Configuration
SG7905AT-883B has three pins:
- Input Pin (Pin 1): Connects to the input voltage source.
- Ground Pin (Pin 2): Connected to the ground reference.
- Output Pin (Pin 3): Provides the regulated output voltage.
Functional Features
- Voltage Regulation: SG7905AT-883B ensures a stable output voltage of -5V regardless of variations in the input voltage.
- Overcurrent Protection: The IC incorporates overcurrent protection to safeguard connected devices from excessive current flow.
- Thermal Shutdown: In case of excessive heat, the IC automatically shuts down to prevent damage.
Advantages and Disadvantages
Advantages
- High reliability and durability ensure long-term performance.
- Wide operating temperature range allows usage in extreme environments.
- Low dropout voltage minimizes power loss.
- Excellent line and load regulation provide stable output voltage.
Disadvantages
- Limited output current capacity (maximum 1A).
- Requires external components for proper operation.
Working Principles
SG7905AT-883B operates on the principle of linear voltage regulation. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant -5V output, compensating for any fluctuations in the input voltage.
Detailed Application Field Plans
SG7905AT-883B finds applications in various electronic devices that require a stable -5V voltage supply. Some common application fields include:
- Power Supplies: Used in power supply units to regulate the voltage supplied to other components.
- Audio Amplifiers: Ensures a stable power source for audio amplification circuits.
- Industrial Control Systems: Provides reliable voltage regulation in industrial control systems.
- Automotive Electronics: Used in automotive electronics to maintain stable voltage levels.
Detailed and Complete Alternative Models
Some alternative models that can be considered as alternatives to SG7905AT-883B are:
- LM7905: A widely used voltage regulator IC with similar specifications.
- MC7905: Another popular choice for voltage regulation applications.
- UA7905: Offers comparable performance and features.
These alternative models can be suitable replacements depending on specific requirements and availability.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SG7905AT-883B v technických řešeních
Sure! Here are 10 common questions and answers related to the application of SG7905AT-883B in technical solutions:
Q: What is SG7905AT-883B? A: SG7905AT-883B is a voltage regulator integrated circuit (IC) that provides a fixed negative output voltage of -5V.
Q: What are the typical applications of SG7905AT-883B? A: SG7905AT-883B is commonly used in various electronic devices and systems where a stable -5V power supply is required, such as audio amplifiers, industrial control systems, and instrumentation equipment.
Q: How does SG7905AT-883B regulate the output voltage? A: SG7905AT-883B uses internal circuitry to maintain a constant -5V output voltage regardless of changes in input voltage or load conditions.
Q: What is the maximum input voltage for SG7905AT-883B? A: The maximum input voltage for SG7905AT-883B is typically around -35V to -40V.
Q: Can SG7905AT-883B handle high current loads? A: Yes, SG7905AT-883B can handle current loads up to 1A, making it suitable for many applications.
Q: Is an external heat sink required for SG7905AT-883B? A: It depends on the power dissipation and ambient temperature. If the power dissipation is high or the ambient temperature is elevated, an external heat sink may be necessary to prevent overheating.
Q: What is the operating temperature range of SG7905AT-883B? A: SG7905AT-883B typically operates within a temperature range of -55°C to +125°C.
Q: Can SG7905AT-883B be used in automotive applications? A: Yes, SG7905AT-883B is suitable for automotive applications as it meets the necessary requirements for automotive electronics.
Q: Does SG7905AT-883B have built-in protection features? A: Yes, SG7905AT-883B includes built-in protection against overcurrent, thermal shutdown, and reverse polarity.
Q: Where can I find more information about SG7905AT-883B? A: You can refer to the datasheet or technical documentation provided by the manufacturer of SG7905AT-883B for detailed specifications, application notes, and guidelines.
Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's documentation for SG7905AT-883B.