사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 35V |
| Voltage-Output(Min/Fixed) | 12V |
| VoltageDropout(Max) | 2V @ 1A (Typ) |
| Current-Output | 1A |
| Current-Quiescent(Iq) | 6.5 mA |
| PSRR | 60dB (1kHz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
개요
Description
The MC7812CT is a voltage regulator integrated circuit (IC) designed to provide a stable 12V output from a higher input voltage. It belongs to the 78xx series of fixed-voltage regulators, widely used for applications requiring a consistent power supply. The "CT" indicates the component's packaging, usually a TO-220, which facilitates heat dissipation.
Key features of the MC7812CT include:
- Output Voltage: 12V
- Output Current: Up to 1.5A
- Input Voltage Range: Generally requires 14.5V to 35V for proper regulation
- Thermal Protection: Includes built-in features to prevent overheating
- Short Circuit Protection: Safeguards against overcurrent scenarios
- Ease of Use: Simple to implement with minimal external components
The MC7812CT is commonly employed in power supply circuits for electronic devices, ensuring a stable voltage to sensitive components. Its robustness and reliability make it ideal for DIY projects, automotive applications, and consumer electronics. Proper heatsinking is recommended to maintain performance and prevent thermal shutdown under high current loads.
Key features of the MC7812CT include:
- Output Voltage: 12V
- Output Current: Up to 1.5A
- Input Voltage Range: Generally requires 14.5V to 35V for proper regulation
- Thermal Protection: Includes built-in features to prevent overheating
- Short Circuit Protection: Safeguards against overcurrent scenarios
- Ease of Use: Simple to implement with minimal external components
The MC7812CT is commonly employed in power supply circuits for electronic devices, ensuring a stable voltage to sensitive components. Its robustness and reliability make it ideal for DIY projects, automotive applications, and consumer electronics. Proper heatsinking is recommended to maintain performance and prevent thermal shutdown under high current loads.
Equivalent
The MC7812CT is a 12V, 1A positive voltage regulator. Equivalent products include:
1. LM7812 by Texas Instruments
2. L7812CV by STMicroelectronics
3. UA7812 by Fairchild Semiconductor (now part of ON Semiconductor)
4. NTE960 by NTE Electronics
5. KA7812 by Fairchild Semiconductor (now part of ON Semiconductor)
These alternatives offer similar functionality and electrical characteristics. Always verify pin configuration and thermal performance based on your specific application.
1. LM7812 by Texas Instruments
2. L7812CV by STMicroelectronics
3. UA7812 by Fairchild Semiconductor (now part of ON Semiconductor)
4. NTE960 by NTE Electronics
5. KA7812 by Fairchild Semiconductor (now part of ON Semiconductor)
These alternatives offer similar functionality and electrical characteristics. Always verify pin configuration and thermal performance based on your specific application.
Features
The MC7812CT is a voltage regulator IC that provides a fixed output voltage of 12V. Here are its key features:
1. Output Voltage: Provides a stable 12V DC output.
2. Output Current: Can deliver up to 1.5A of output current, suitable for various applications requiring a 12V supply.
3. Input Voltage Range: Operates with an input voltage typically ranging from 14.5V to 35V.
4. Thermal Overload Protection: Includes built-in thermal shutdown to prevent damage from overheating.
5. Short-Circuit Protection: Protects against output short circuits, ensuring reliable operation.
6. Current Limitation: Includes current limiting features to prevent excessive current flow.
7. Low Quiescent Current: Consumes minimal current when not driving a load, enhancing efficiency.
8. 3-Terminal Package: Easy to use with only three terminals – input, output, and ground.
9. Package Type: Typically available in a TO-220 package, which provides good thermal performance.
These features make the MC7812CT suitable for a wide range of applications, including power supply units, consumer electronics, and other circuits requiring a stable 12V power source.
1. Output Voltage: Provides a stable 12V DC output.
2. Output Current: Can deliver up to 1.5A of output current, suitable for various applications requiring a 12V supply.
3. Input Voltage Range: Operates with an input voltage typically ranging from 14.5V to 35V.
4. Thermal Overload Protection: Includes built-in thermal shutdown to prevent damage from overheating.
5. Short-Circuit Protection: Protects against output short circuits, ensuring reliable operation.
6. Current Limitation: Includes current limiting features to prevent excessive current flow.
7. Low Quiescent Current: Consumes minimal current when not driving a load, enhancing efficiency.
8. 3-Terminal Package: Easy to use with only three terminals – input, output, and ground.
9. Package Type: Typically available in a TO-220 package, which provides good thermal performance.
These features make the MC7812CT suitable for a wide range of applications, including power supply units, consumer electronics, and other circuits requiring a stable 12V power source.
Pinout
The MC7812CT is a linear voltage regulator with a 3-pin configuration. It is used to provide a stable +12V output from a higher input voltage. Here are the pin functions:
1. Pin 1 (Input): This pin is connected to the input voltage, which should be higher than 12V (typically 14V to 35V) to ensure proper regulation.
2. Pin 2 (Ground): This is the ground pin and is connected to the common ground of the circuit.
3. Pin 3 (Output): This pin provides the regulated +12V output.
The MC7812CT is part of the 78xx series of voltage regulators and is widely used in various applications due to its ease of use, requiring only two external capacitors for stability. It provides a fixed output voltage and features built-in protection against overcurrent and overheating.
1. Pin 1 (Input): This pin is connected to the input voltage, which should be higher than 12V (typically 14V to 35V) to ensure proper regulation.
2. Pin 2 (Ground): This is the ground pin and is connected to the common ground of the circuit.
3. Pin 3 (Output): This pin provides the regulated +12V output.
The MC7812CT is part of the 78xx series of voltage regulators and is widely used in various applications due to its ease of use, requiring only two external capacitors for stability. It provides a fixed output voltage and features built-in protection against overcurrent and overheating.
Manufacturer
The MC7812CT is a voltage regulator manufactured by ON Semiconductor. ON Semiconductor, now known as onsemi, is a semiconductor supplier company that designs and manufactures a wide range of semiconductor components. These components include power and signal management, logic, discrete, and custom devices designed to help customers solve their unique design challenges in automotive, industrial, cloud, and IoT applications. The company is headquartered in Phoenix, Arizona, and is recognized as a key player in the semiconductor industry, focusing on energy-efficient electronics and sophisticated sensor technologies.
Application
The MC7812CT is a voltage regulator that provides a fixed 12V output and is commonly used in various applications. Key application areas include:
1. Power Supply Systems: Used to maintain a stable 12V output in electronic devices.
2. Embedded Systems: Provides consistent voltage for microcontrollers and sensors.
3. Consumer Electronics: Powers appliances like TVs, radios, and audio equipment.
4. Industrial Equipment: Ensures stable operation of industrial control systems and machinery.
5. Automotive Electronics: Used in car audio systems and other 12V onboard electronics.
6. Telecommunications: Powers communication devices requiring a steady voltage supply.
Its ability to provide a stable output makes it essential for protecting sensitive electronic components from voltage fluctuations.
1. Power Supply Systems: Used to maintain a stable 12V output in electronic devices.
2. Embedded Systems: Provides consistent voltage for microcontrollers and sensors.
3. Consumer Electronics: Powers appliances like TVs, radios, and audio equipment.
4. Industrial Equipment: Ensures stable operation of industrial control systems and machinery.
5. Automotive Electronics: Used in car audio systems and other 12V onboard electronics.
6. Telecommunications: Powers communication devices requiring a steady voltage supply.
Its ability to provide a stable output makes it essential for protecting sensitive electronic components from voltage fluctuations.
Package
The MC7812CT is a voltage regulator integrated circuit, commonly packaged in a TO-220 format. This package type is designed for through-hole mounting and provides a convenient design for heat dissipation, featuring three pins for input, ground, and output connections, delivering a fixed 12V output.
