Viz Specifikace pro podrobnosti o produktu.
SG7915AT-883B
Product Overview
Category
SG7915AT-883B belongs to the category of voltage regulators.
Use
This product is primarily used for regulating and stabilizing voltage in electronic circuits.
Characteristics
- Voltage regulation: SG7915AT-883B provides a fixed output voltage of -15V.
- High precision: It offers precise voltage regulation with low output voltage deviation.
- Wide input voltage range: The regulator can handle a wide range of input voltages, typically from -35V to -10V.
- Low dropout voltage: The device has a low dropout voltage, ensuring efficient power conversion.
- Temperature stability: SG7915AT-883B exhibits excellent temperature stability, making it suitable for various operating conditions.
Package
The SG7915AT-883B comes in a TO-3 package, which is a metal case with three pins for easy installation and heat dissipation.
Essence
The essence of SG7915AT-883B lies in its ability to provide stable and regulated negative voltage output for electronic circuits.
Packaging/Quantity
This product is typically packaged in reels or tubes, containing a specific quantity of units per package. The exact packaging and quantity may vary depending on the manufacturer.
Specifications
- Output voltage: -15V
- Input voltage range: -35V to -10V
- Dropout voltage: 2V (maximum)
- Output current: Up to 1A
- Operating temperature range: -40°C to +125°C
- Line regulation: 0.01%/V
- Load regulation: 0.1%/A
Detailed Pin Configuration
The SG7915AT-883B has three pins:
- Input pin (VIN): This pin is connected to the input voltage source.
- Ground pin (GND): This pin is connected to the ground or common reference point.
- Output pin (VOUT): This pin provides the regulated -15V output voltage.
Functional Features
- Voltage regulation: SG7915AT-883B ensures a stable and precise -15V output voltage regardless of input voltage fluctuations.
- Overcurrent protection: The device incorporates overcurrent protection to safeguard connected circuits from excessive current flow.
- Thermal shutdown: In case of excessive temperature, the regulator automatically shuts down to prevent damage.
- Short-circuit protection: SG7915AT-883B includes short-circuit protection to prevent damage due to accidental short circuits.
Advantages and Disadvantages
Advantages
- Precise voltage regulation
- Wide input voltage range
- Low dropout voltage
- Excellent temperature stability
- Overcurrent and short-circuit protection
Disadvantages
- Fixed output voltage (-15V) may not be suitable for all applications requiring negative voltage regulation.
- Limited output current capacity (up to 1A).
Working Principles
SG7915AT-883B operates based on the principle of linear voltage regulation. It utilizes a series pass transistor to regulate the output voltage. The input voltage is compared to a reference voltage, and the difference is adjusted by controlling the series pass transistor. This feedback mechanism ensures that the output voltage remains constant despite variations in the input voltage.
Detailed Application Field Plans
SG7915AT-883B finds applications in various electronic systems where a stable and regulated -15V voltage supply is required. Some common application fields include:
- Audio amplifiers: Negative voltage regulation is often necessary in audio amplifier circuits to power certain components.
- Industrial control systems: Many industrial control systems require precise negative voltage regulation for proper operation.
- Test and measurement equipment: Instruments such as oscilloscopes and signal generators often utilize negative voltage regulators.
- Communication systems: Certain communication systems may require negative voltage regulation for specific circuitry.
Detailed and Complete Alternative Models
- LM7915: A widely used alternative to SG7915AT-883B, offering similar specifications and performance.
- MC7915: Another alternative with comparable characteristics, commonly available in the market.
These alternative models can be considered as substitutes for SG7915AT-883B based on specific requirements and availability.
Word count: 529 words
Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SG7915AT-883B v technických řešeních
Sure! Here are 10 common questions and answers related to the application of SG7915AT-883B in technical solutions:
Q: What is SG7915AT-883B? A: SG7915AT-883B is a voltage regulator IC that provides a fixed output voltage of -15V.
Q: What are the typical applications of SG7915AT-883B? A: SG7915AT-883B is commonly used in various electronic circuits where a stable -15V power supply is required.
Q: What is the maximum input voltage for SG7915AT-883B? A: The maximum input voltage for SG7915AT-883B is -35V.
Q: What is the maximum output current of SG7915AT-883B? A: The maximum output current of SG7915AT-883B is 1A.
Q: Can SG7915AT-883B handle higher input voltages than -35V? A: No, exceeding the maximum input voltage can damage the IC. It is important to stay within the specified limits.
Q: Is there any protection circuitry built into SG7915AT-883B? A: Yes, SG7915AT-883B has built-in thermal shutdown and short-circuit protection features.
Q: Can I use SG7915AT-883B as a positive voltage regulator? A: No, SG7915AT-883B is specifically designed as a negative voltage regulator. For positive voltage regulation, you would need a different IC.
Q: What is the operating temperature range for SG7915AT-883B? A: The operating temperature range for SG7915AT-883B is -55°C to +125°C.
Q: Can I parallel multiple SG7915AT-883B ICs to increase the output current? A: Yes, you can parallel multiple SG7915AT-883B ICs to increase the overall output current capacity.
Q: Are there any recommended capacitors for input and output filtering with SG7915AT-883B? A: Yes, it is recommended to use a 0.33μF capacitor on the input side and a 0.1μF capacitor on the output side for proper filtering and stability.
Please note that these answers are general guidelines and it's always important to refer to the specific datasheet and application notes for accurate information and design considerations.