Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -35V |
| Voltage-Output(Min/Fixed) | -5V |
| VoltageDropout(Max) | 1.3V @ 1A (Typ) |
| Current-Output | 1A |
| PSRR | 70dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
Tổng quan
Description
The MC7905CTG is a negative voltage regulator designed to provide a fixed output voltage of -5 volts. It is part of the MC79xx series, which are commonly used for voltage regulation in electronic circuits. This regulator can handle output currents of up to 1.5 amperes, making it suitable for medium power applications.
Key features of the MC7905CTG include thermal overload protection, short-circuit protection, and safe area compensation, which ensure reliable operation under various conditions. Its TO-220 package allows for easy mounting and effective heat dissipation.
The device is typically used in applications where a stable and negative voltage is required, such as in dual power supply configurations for operational amplifiers and other analog circuits. By ensuring a steady -5V output, the MC7905CTG helps maintain the performance and accuracy of such electronic systems.
Key features of the MC7905CTG include thermal overload protection, short-circuit protection, and safe area compensation, which ensure reliable operation under various conditions. Its TO-220 package allows for easy mounting and effective heat dissipation.
The device is typically used in applications where a stable and negative voltage is required, such as in dual power supply configurations for operational amplifiers and other analog circuits. By ensuring a steady -5V output, the MC7905CTG helps maintain the performance and accuracy of such electronic systems.
Equivalent
The MC7905CTG is a voltage regulator IC that provides a fixed -5V output. Equivalent products include the LM7905 from Texas Instruments and the L7905 from STMicroelectronics. Other manufacturers may offer similar 7905 series negative voltage regulators, such as the KA7905 from Fairchild or the UA7905 from various suppliers. When selecting an equivalent, ensure that the package type, current rating, and other specifications match your requirements.
Features
The MC7905CTG is a negative voltage regulator integrated circuit designed to provide a fixed output voltage of -5 volts. Some of its key features include:
1. Output Current: It can deliver up to 1.5 amperes of output current.
2. Thermal Overload Protection: The device has built-in thermal overload protection that prevents it from overheating during operation.
3. Short-Circuit Protection: It includes internal current limiting features to safeguard against short-circuit conditions.
4. Safe Area Protection: This ensures the device operates within its safe operating area, enhancing reliability.
5. Low Noise: The regulator provides low noise performance, which is beneficial for sensitive electronic applications.
6. Wide Input Voltage Range: It supports a wide range of input voltages, making it versatile for various applications.
7. Standard Package: It typically comes in a TO-220 package, which aids in efficient heat dissipation.
Overall, the MC7905CTG is suitable for applications requiring a stable -5V supply, such as in power supply units and various electronic devices.
1. Output Current: It can deliver up to 1.5 amperes of output current.
2. Thermal Overload Protection: The device has built-in thermal overload protection that prevents it from overheating during operation.
3. Short-Circuit Protection: It includes internal current limiting features to safeguard against short-circuit conditions.
4. Safe Area Protection: This ensures the device operates within its safe operating area, enhancing reliability.
5. Low Noise: The regulator provides low noise performance, which is beneficial for sensitive electronic applications.
6. Wide Input Voltage Range: It supports a wide range of input voltages, making it versatile for various applications.
7. Standard Package: It typically comes in a TO-220 package, which aids in efficient heat dissipation.
Overall, the MC7905CTG is suitable for applications requiring a stable -5V supply, such as in power supply units and various electronic devices.
Pinout
The MC7905CTG is a negative voltage regulator with a fixed output of -5V. It typically comes in a TO-220 package with three pins, which are:
1. Input (Pin 1): This pin accepts the unregulated negative input voltage. It requires a more negative voltage than the desired output voltage.
2. Ground (Pin 2): This pin serves as the common ground reference for both the input and output voltages. It is crucial for providing a stable reference point and completing the circuit.
3. Output (Pin 3): This pin delivers a regulated output voltage of -5V. It provides a stable and consistent voltage necessary for powering compatible electronic components or circuits.
The MC7905CTG is often used in applications requiring a steady negative voltage supply, such as operational amplifiers and other analog circuits. It also incorporates features like thermal shutdown and current limiting for protection.
1. Input (Pin 1): This pin accepts the unregulated negative input voltage. It requires a more negative voltage than the desired output voltage.
2. Ground (Pin 2): This pin serves as the common ground reference for both the input and output voltages. It is crucial for providing a stable reference point and completing the circuit.
3. Output (Pin 3): This pin delivers a regulated output voltage of -5V. It provides a stable and consistent voltage necessary for powering compatible electronic components or circuits.
The MC7905CTG is often used in applications requiring a steady negative voltage supply, such as operational amplifiers and other analog circuits. It also incorporates features like thermal shutdown and current limiting for protection.
Manufacturer
The MC7905CTG is manufactured by ON Semiconductor, a company known for producing semiconductor components. ON Semiconductor, now operating under the name onsemi, is a leading supplier in the electronics industry, providing a wide range of products including power management, analog, sensors, logic, timing, and connectivity solutions. It serves various sectors such as automotive, industrial, computing, and communications. The company is recognized for its focus on energy-efficient innovations and is headquartered in Phoenix, Arizona, USA.
Application
The MC7905CTG is a negative voltage regulator typically used in various electronic applications where a stable and regulated negative voltage output is required. Common application areas include:
1. Power Supplies: Used in designing power supply units that deliver a consistent negative voltage output for electronic devices.
2. Analog Circuits: Provides stable voltage for operational amplifiers and other analog components, ensuring reliable performance.
3. Communication Equipment: Used in radio and RF communication equipment for biasing and other supply needs.
4. Industrial Automation: Supports control systems that require precise voltage regulation.
5. Test and Measurement Equipment: Ensures accurate voltage levels for testing and calibration purposes.
By maintaining a constant negative output voltage, the MC7905CTG enhances the performance and stability of these systems.
1. Power Supplies: Used in designing power supply units that deliver a consistent negative voltage output for electronic devices.
2. Analog Circuits: Provides stable voltage for operational amplifiers and other analog components, ensuring reliable performance.
3. Communication Equipment: Used in radio and RF communication equipment for biasing and other supply needs.
4. Industrial Automation: Supports control systems that require precise voltage regulation.
5. Test and Measurement Equipment: Ensures accurate voltage levels for testing and calibration purposes.
By maintaining a constant negative output voltage, the MC7905CTG enhances the performance and stability of these systems.
Package
The MC7905CTG is typically available in a TO-220 package. This is a type of through-hole package commonly used for power transistors and linear voltage regulators, providing effective heat dissipation.
