Overview
The MC7812CDT is a fixed positive voltage regulator produced by onsemi. This component is part of the 78XX series, known for its reliability and wide range of applications in power supply systems. The MC7812CDT is specifically designed to provide a stable output voltage of 12 volts with a maximum current of 1 ampere. It is housed in a TO-220 package, making it suitable for various electronic designs requiring a robust and efficient voltage regulation solution.
Key Specifications
| Characteristic | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Voltage (Min) | 14.5 | - | - | V |
| Input Voltage (Max) | - | - | 30 | V |
| Output Voltage (Nominal) | 11.4 | 12 | 12.6 | V |
| Output Current (Max) | - | - | 1 | A |
| Line Regulation (Max) | - | - | 0.24% | - |
| Load Regulation (Max) | - | - | 0.24% | - |
| Dropout Voltage (Nominal) | - | 2 | - | V |
| Operating Temperature (Min) | -40 | - | - | °C |
| Operating Temperature (Max) | - | - | 125 | °C |
| Package Type | - | - | TO-220 | - |
Key Features
- Fixed Output Voltage: Provides a stable output voltage of 12 volts.
- High Current Capability: Can supply up to 1 ampere of current.
- Low Dropout Voltage: Nominal dropout voltage of 2 volts.
- Good Line and Load Regulation: Line regulation and load regulation are both 0.24% maximum.
- Wide Operating Temperature Range: Operates from -40°C to 125°C.
- TO-220 Package: Suitable for through-hole mounting and offers good heat dissipation.
Applications
The MC7812CDT is versatile and can be used in a variety of applications, including:
- Power Supplies: For providing stable DC voltage in power supply units.
- Industrial Control Systems: Where reliable voltage regulation is crucial.
- Consumer Electronics: In devices requiring a stable 12V supply.
- Automotive Systems: For voltage regulation in automotive electronics.
Q & A
- What is the nominal output voltage of the MC7812CDT?
The nominal output voltage is 12 volts. - What is the maximum current that the MC7812CDT can supply?
The maximum current is 1 ampere. - What is the input voltage range for the MC7812CDT?
The input voltage range is from 14.5V to 30V. - What is the dropout voltage of the MC7812CDT?
The nominal dropout voltage is 2 volts. - What is the operating temperature range of the MC7812CDT?
The operating temperature range is from -40°C to 125°C. - What type of package does the MC7812CDT come in?
The MC7812CDT comes in a TO-220 package. - Is the MC7812CDT suitable for surface mount applications?
No, it is not suitable for surface mount applications; it is a through-hole component. - What are the line and load regulation specifications of the MC7812CDT?
Both line and load regulation are 0.24% maximum. - Can the MC7812CDT be used in automotive systems?
Yes, it can be used in automotive systems due to its robust specifications and wide operating temperature range. - Is the MC7812CDT RoHS compliant?
No, the MC7812CDT is not RoHS compliant.
