Consulte las especificaciones para obtener detalles del producto.
SG7812K-883B
Product Overview
Category: Integrated Circuit (IC)
Use: Voltage Regulator
Characteristics: - High-performance voltage regulator - Designed for military and aerospace applications - Operates in extreme environmental conditions - Provides a stable output voltage of 12V
Package: TO-3 metal can package
Essence: The SG7812K-883B is a high-quality voltage regulator that ensures a constant output voltage of 12V, making it suitable for various military and aerospace applications.
Packaging/Quantity: The SG7812K-883B is typically packaged individually and comes in a standard quantity of one unit per package.
Specifications
- Input Voltage Range: 14V to 35V
- Output Voltage: 12V
- Output Current: Up to 1.5A
- Dropout Voltage: 2V (maximum)
- Line Regulation: 0.01%/V
- Load Regulation: 0.1%
- Operating Temperature Range: -55°C to +125°C
- Package Type: TO-3 metal can
Detailed Pin Configuration
The SG7812K-883B has three pins:
- Input Pin (Pin 1): This pin is used to connect the input voltage source.
- Ground Pin (Pin 2): This pin is connected to the ground or common reference point.
- Output Pin (Pin 3): The regulated output voltage of 12V is obtained from this pin.
Functional Features
- High Performance: The SG7812K-883B offers excellent performance and reliability, meeting the stringent requirements of military and aerospace applications.
- Stable Output Voltage: It provides a constant output voltage of 12V, ensuring a reliable power supply for connected devices.
- Wide Input Voltage Range: The regulator can accept input voltages ranging from 14V to 35V, making it versatile for various power sources.
- Low Dropout Voltage: With a maximum dropout voltage of 2V, the SG7812K-883B minimizes power dissipation and improves efficiency.
Advantages and Disadvantages
Advantages: - High-performance voltage regulation - Suitable for extreme environmental conditions - Reliable and stable output voltage - Wide input voltage range
Disadvantages: - Limited output current capacity (up to 1.5A) - Relatively high dropout voltage compared to newer models
Working Principles
The SG7812K-883B is based on a linear voltage regulator design. It utilizes a series pass transistor to regulate the output voltage. When the input voltage exceeds the desired output voltage, the regulator reduces the excess voltage by dissipating it as heat. This ensures a constant output voltage of 12V regardless of variations in the input voltage or load conditions.
Detailed Application Field Plans
The SG7812K-883B is commonly used in the following applications:
- Military Equipment: It is employed in military-grade electronic systems, such as communication devices, radar systems, and avionics equipment.
- Aerospace Systems: The voltage regulator finds application in aerospace systems, including satellites, spacecraft, and navigation instruments.
- Industrial Control Systems: It is utilized in industrial control systems that require a stable and reliable power supply for various components and sensors.
Detailed and Complete Alternative Models
- LM7812: A widely used alternative with similar specifications and pin configuration.
- UA7812: Another popular alternative offering comparable performance and compatibility.
- MC7812: An alternative model known for its low dropout voltage and high efficiency.
These alternative models provide similar functionality and can be considered as replacements for the SG7812K-883B in various applications.
Word count: 486 words
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SG7812K-883B en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of SG7812K-883B in technical solutions:
Q: What is SG7812K-883B? A: SG7812K-883B is a voltage regulator integrated circuit (IC) that provides a fixed output voltage of +12V.
Q: What is the input voltage range for SG7812K-883B? A: The input voltage range for SG7812K-883B is typically between +14V and +35V.
Q: What is the maximum output current of SG7812K-883B? A: The maximum output current of SG7812K-883B is 1.5A.
Q: Can SG7812K-883B handle higher input voltages? A: No, SG7812K-883B is designed to operate within the specified input voltage range. Exceeding this range may damage the IC.
Q: Is SG7812K-883B suitable for both AC and DC input voltages? A: Yes, SG7812K-883B can accept both AC and DC input voltages within the specified range.
Q: Does SG7812K-883B require any external components for operation? A: Yes, SG7812K-883B requires input and output capacitors for stability and filtering purposes. Refer to the datasheet for recommended values.
Q: Can SG7812K-883B be used in automotive applications? A: Yes, SG7812K-883B is suitable for automotive applications as it meets the necessary requirements for temperature, reliability, and performance.
Q: What is the operating temperature range of SG7812K-883B? A: The operating temperature range of SG7812K-883B is typically between -55°C and +125°C.
Q: Can SG7812K-883B be used in high-reliability applications? A: Yes, SG7812K-883B is a military-grade IC designed for high-reliability applications where ruggedness and durability are required.
Q: Are there any alternative voltage regulator ICs similar to SG7812K-883B? A: Yes, there are other voltage regulator ICs available in the market with similar specifications, such as LM7812, UA7812, and L78M12, 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 with an expert for accurate information.