Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -35V |
| Voltage-Output(Min/Fixed) | -12V |
| VoltageDropout(Max) | 1.3V @ 1A (Typ) |
| Current-Output | 1A |
| PSRR | 61dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
Overview
Description
The MC7912BTG is a voltage regulator integrated circuit (IC) designed to provide a stable negative output voltage of -12 volts. It is part of the 79xx series of voltage regulators, which are commonly used in various electronic applications to maintain a constant output voltage despite variations in input voltage or load conditions. The MC7912BTG typically comes in a TO-220 package, which aids in heat dissipation.
Key features of the MC7912BTG include thermal overload protection, short circuit protection, and safe area compensation, making it a reliable choice for a wide range of applications. It is often used in power supply circuits for electronic devices where a negative voltage rail is required. The device typically requires only minimal external components such as input and output capacitors to ensure stability and optimal performance.
Overall, the MC7912BTG is valued for its robustness, ease of use, and ability to deliver consistent -12V output, making it suitable for both consumer electronics and industrial applications.
Key features of the MC7912BTG include thermal overload protection, short circuit protection, and safe area compensation, making it a reliable choice for a wide range of applications. It is often used in power supply circuits for electronic devices where a negative voltage rail is required. The device typically requires only minimal external components such as input and output capacitors to ensure stability and optimal performance.
Overall, the MC7912BTG is valued for its robustness, ease of use, and ability to deliver consistent -12V output, making it suitable for both consumer electronics and industrial applications.
Equivalent
The MC7912BTG is a negative voltage regulator with a fixed output of -12V. Equivalent products include:
1. LM7912 from Texas Instruments
2. UA7912 from Fairchild Semiconductor
3. L7912 from STMicroelectronics
4. NTE7912 from NTE Electronics
These components serve similar functions, offering -12V regulated output with similar characteristics, suitable for replacing the MC7912BTG in various applications. Always verify pin configurations and electrical specifications before substituting.
1. LM7912 from Texas Instruments
2. UA7912 from Fairchild Semiconductor
3. L7912 from STMicroelectronics
4. NTE7912 from NTE Electronics
These components serve similar functions, offering -12V regulated output with similar characteristics, suitable for replacing the MC7912BTG in various applications. Always verify pin configurations and electrical specifications before substituting.
Features
The MC7912BTG is a voltage regulator designed for providing a stable output voltage. Key features include:
1. Output Voltage: It offers a fixed output voltage of -12V, making it suitable for negative voltage applications.
2. Current Capability: The regulator can supply up to 1.5A of output current, which is suitable for powering moderate loads.
3. Thermal Protection: Integrated thermal shutdown prevents damage due to overheating, enhancing reliability.
4. Overcurrent Protection: Built-in overcurrent limiting helps in protecting the device and connected circuitry from excessive load currents.
5. Package: It is typically available in TO-220 and other similar packages, which help in effective heat dissipation.
6. Operating Temperature Range: It can operate effectively over a wide temperature range, making it versatile for various environments.
7. Low Dropout Voltage: The device features a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
These features make the MC7912BTG a robust choice for applications requiring stable negative voltage regulation.
1. Output Voltage: It offers a fixed output voltage of -12V, making it suitable for negative voltage applications.
2. Current Capability: The regulator can supply up to 1.5A of output current, which is suitable for powering moderate loads.
3. Thermal Protection: Integrated thermal shutdown prevents damage due to overheating, enhancing reliability.
4. Overcurrent Protection: Built-in overcurrent limiting helps in protecting the device and connected circuitry from excessive load currents.
5. Package: It is typically available in TO-220 and other similar packages, which help in effective heat dissipation.
6. Operating Temperature Range: It can operate effectively over a wide temperature range, making it versatile for various environments.
7. Low Dropout Voltage: The device features a low dropout voltage, ensuring efficient operation even when the input voltage is close to the output voltage.
These features make the MC7912BTG a robust choice for applications requiring stable negative voltage regulation.
Pinout
The MC7912BTG is a voltage regulator integrated circuit primarily used to provide a stable negative 12V output voltage from a higher voltage input. It is part of the 79xx series of voltage regulators.
The MC7912BTG typically comes in a TO-220 package, which has three pins:
1. Input (Pin 1): This pin is connected to the input voltage source. The input voltage must be higher in magnitude than the output voltage to ensure proper regulation.
2. Ground (Pin 2): This is the common ground pin for both the input and output. It serves as the reference point for voltages in the circuit.
3. Output (Pin 3): This pin provides a regulated -12V output voltage when the device is properly connected and powered.
This regulator is widely used in power supply circuits, ensuring a reliable and stable voltage output for various electronic applications.
The MC7912BTG typically comes in a TO-220 package, which has three pins:
1. Input (Pin 1): This pin is connected to the input voltage source. The input voltage must be higher in magnitude than the output voltage to ensure proper regulation.
2. Ground (Pin 2): This is the common ground pin for both the input and output. It serves as the reference point for voltages in the circuit.
3. Output (Pin 3): This pin provides a regulated -12V output voltage when the device is properly connected and powered.
This regulator is widely used in power supply circuits, ensuring a reliable and stable voltage output for various electronic applications.
Manufacturer
The MC7912BTG is manufactured by ON Semiconductor, a company known for producing a wide range of semiconductor components. ON Semiconductor specializes in power and signal management, logic, discrete, and custom devices. They provide solutions for automotive, communications, computing, consumer electronics, industrial, LED lighting, medical, military/aerospace, and power applications. The company focuses on energy-efficient innovations, supporting customers in reducing their overall energy consumption.
Application
The MC7912BTG is a negative voltage regulator used in various electronic applications. Its primary application areas include power supply circuits, where it provides a stable -12V output voltage from a higher negative input voltage. It is commonly used in consumer electronics, industrial equipment, and telecommunications systems to ensure reliable operation of components requiring a negative voltage. Additionally, it is utilized in operational amplifier circuits and analog signal processing to maintain stable and precise voltage levels. The MC7912BTG is valued for its ease of use, thermal protection, and current limiting features, making it suitable for a wide range of electronic devices and systems.
Package
The MC7912BTG is a voltage regulator, specifically a negative 12V regulator. It is typically housed in a TO-220 package, which is a three-lead, through-hole package commonly used for power semiconductors. This package type allows for efficient heat dissipation and easy mounting on printed circuit boards.
