Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 35V |
| Voltage-Output(Min/Fixed) | 15V |
| VoltageDropout(Max) | 2V @ 1A |
| Current-Output | 1A |
| Current-Quiescent(Iq) | 8 mA |
| PSRR | 70dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
Tổng quan
Description
The LM7815CT is a voltage regulator from the LM78XX series, designed to provide a fixed positive output voltage. Specifically, it delivers a steady 15V DC output from a higher input voltage, typically ranging from around 17V to 35V. The device is commonly used in electronic circuits that require a stable 15V power supply, thanks to its ability to maintain a constant voltage level despite variations in input voltage and load conditions.
Key features of the LM7815CT include built-in protection mechanisms such as thermal shutdown, current limiting, and short-circuit protection, enhancing its reliability and safety in various applications. It is typically housed in a TO-220 package, allowing for easy mounting and heat dissipation.
The LM7815CT is widely used in power supply designs for consumer electronics, industrial equipment, and other applications where a consistent 15V output is needed. It simplifies power management by reducing design complexity and component count, making it a popular choice for engineers and hobbyists alike.
Key features of the LM7815CT include built-in protection mechanisms such as thermal shutdown, current limiting, and short-circuit protection, enhancing its reliability and safety in various applications. It is typically housed in a TO-220 package, allowing for easy mounting and heat dissipation.
The LM7815CT is widely used in power supply designs for consumer electronics, industrial equipment, and other applications where a consistent 15V output is needed. It simplifies power management by reducing design complexity and component count, making it a popular choice for engineers and hobbyists alike.
Equivalent
The LM7815CT is a 15V voltage regulator. Equivalent products include:
1. L7815CV (STMicroelectronics)
2. UA7815CKCS (Texas Instruments)
3. MC7815CTG (ON Semiconductor)
4. KA7815 (Fairchild)
5. NTE960 (NTE Electronics)
These alternatives offer similar specifications, including output voltage and current capacity, suitable for applications requiring a stable 15V output. Always check datasheets for compatibility in specific applications.
1. L7815CV (STMicroelectronics)
2. UA7815CKCS (Texas Instruments)
3. MC7815CTG (ON Semiconductor)
4. KA7815 (Fairchild)
5. NTE960 (NTE Electronics)
These alternatives offer similar specifications, including output voltage and current capacity, suitable for applications requiring a stable 15V output. Always check datasheets for compatibility in specific applications.
Features
The LM7815CT is a voltage regulator that provides a stable output voltage of +15V. Key features include:
1. Output Voltage: Fixed at +15V.
2. Output Current: Can deliver up to 1.5A.
3. Input Voltage Range: Typically requires an input voltage of 17V to 35V to maintain regulation.
4. Thermal Overload Protection: Automatically shuts down the regulator in case of overheating to prevent damage.
5. Short Circuit Protection: Limits the output current to prevent damage due to accidental short circuits.
6. Safe Area Protection: Ensures the regulator operates within safe limits under various conditions.
7. Low Quiescent Current: Helps maintain efficiency by reducing the current draw when the load is minimal.
8. Package Type: Commonly available in a TO-220 package, which provides efficient heat dissipation.
9. Ease of Use: Requires minimal external components, making it suitable for various applications.
The LM7815CT is widely used in power supply circuits where a stable +15V output is essential, ensuring reliable performance and protection against various faults.
1. Output Voltage: Fixed at +15V.
2. Output Current: Can deliver up to 1.5A.
3. Input Voltage Range: Typically requires an input voltage of 17V to 35V to maintain regulation.
4. Thermal Overload Protection: Automatically shuts down the regulator in case of overheating to prevent damage.
5. Short Circuit Protection: Limits the output current to prevent damage due to accidental short circuits.
6. Safe Area Protection: Ensures the regulator operates within safe limits under various conditions.
7. Low Quiescent Current: Helps maintain efficiency by reducing the current draw when the load is minimal.
8. Package Type: Commonly available in a TO-220 package, which provides efficient heat dissipation.
9. Ease of Use: Requires minimal external components, making it suitable for various applications.
The LM7815CT is widely used in power supply circuits where a stable +15V output is essential, ensuring reliable performance and protection against various faults.
Pinout
The LM7815CT is a voltage regulator from the 78xx series, designed to provide a fixed 15V output. It is commonly housed in a TO-220 package and has three pins:
1. Input (Pin 1): This pin receives the unregulated input voltage. It is recommended to provide a voltage at least 3V higher than the 15V output to ensure proper regulation.
2. Ground (Pin 2): The ground pin is the common ground for both the input and output voltages. It serves as a reference point for the voltage regulation.
3. Output (Pin 3): This pin provides the regulated 15V output. The LM7815CT can typically deliver up to 1.5A of output current, provided it is properly cooled.
The device includes internal protection features like thermal shutdown, current limiting, and safe area protection, which help in maintaining reliable operation and preventing damage under fault conditions. It is widely used in various electronic circuits requiring a stable 15V power supply.
1. Input (Pin 1): This pin receives the unregulated input voltage. It is recommended to provide a voltage at least 3V higher than the 15V output to ensure proper regulation.
2. Ground (Pin 2): The ground pin is the common ground for both the input and output voltages. It serves as a reference point for the voltage regulation.
3. Output (Pin 3): This pin provides the regulated 15V output. The LM7815CT can typically deliver up to 1.5A of output current, provided it is properly cooled.
The device includes internal protection features like thermal shutdown, current limiting, and safe area protection, which help in maintaining reliable operation and preventing damage under fault conditions. It is widely used in various electronic circuits requiring a stable 15V power supply.
Manufacturer
The LM7815CT is a voltage regulator that can be manufactured by several companies. One of the most well-known manufacturers of this component is Texas Instruments, a major American technology company that designs and manufactures semiconductors and various integrated circuits. Another company that produces this component is STMicroelectronics, a leading European semiconductor manufacturer. Both companies are recognized globally for their contributions to the electronics industry, providing a wide range of products used in consumer electronics, automotive, industrial, and communications sectors.
Application
The LM7815CT is a voltage regulator that provides a stable 15V output and is commonly used in various applications. Key areas include:
1. Power Supply Design: Converts higher voltage inputs to a stable 15V output for electronic circuits.
2. Embedded Systems: Ensures consistent voltage for microcontrollers and other components.
3. Audio Equipment: Provides stable power to audio amplifiers and other audio processing devices.
4. Test Equipment: Used in laboratory equipment for precise and reliable voltage regulation.
5. Communication Devices: Powers communication circuits requiring stable voltage to prevent signal distortion.
6. Industrial Automation: Supplies regulated voltage in control systems and machinery.
These applications benefit from the LM7815CT's reliability and simplicity in providing a fixed voltage output.
1. Power Supply Design: Converts higher voltage inputs to a stable 15V output for electronic circuits.
2. Embedded Systems: Ensures consistent voltage for microcontrollers and other components.
3. Audio Equipment: Provides stable power to audio amplifiers and other audio processing devices.
4. Test Equipment: Used in laboratory equipment for precise and reliable voltage regulation.
5. Communication Devices: Powers communication circuits requiring stable voltage to prevent signal distortion.
6. Industrial Automation: Supplies regulated voltage in control systems and machinery.
These applications benefit from the LM7815CT's reliability and simplicity in providing a fixed voltage output.
Package
The LM7815CT is a voltage regulator with a TO-220 package type. It is designed to provide a fixed output voltage of 15V and is used in various electronic applications for voltage regulation. The TO-220 package allows for easy mounting and effective heat dissipation.
