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MC7812CT
+NomenclatureIC REG LINEAR 12V 1A TO220AB
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FabricantSemi - conducteurs
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Pièce fabricant #MC7812CT
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Package TO-220-3
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En stock2156
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Spécifications
| Attribut | Valeur |
| 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 |
Présentation
Description
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
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
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
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
Application
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.