Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Obsolete |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 35V |
| Voltage-Output(Min/Fixed) | 5V |
| VoltageDropout(Max) | 2V @ 1A (Typ) |
| Current-Output | 1A |
| Current-Quiescent(Iq) | 8 mA |
| PSRR | 73dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
Tổng quan
Description
The KA7805ETU is a type of linear voltage regulator designed to provide a fixed output voltage of 5V from a higher input voltage source, typically ranging from 7V to 35V. This component is commonly used in power management applications to ensure a stable output voltage, protecting sensitive electronics from voltage fluctuations. The device is part of the 7805 series, which is a popular series for fixed voltage regulation.
Key features of the KA7805ETU include short-circuit protection, thermal overload protection, and safe area compensation, making it robust and reliable for use in a variety of electronic circuits. It’s often utilized in applications such as embedded systems, microcontroller boards, and other electronic devices requiring a stable 5V power supply.
The KA7805ETU is typically housed in a TO-220 package, which facilitates heat dissipation through a heatsink when necessary. Its ease of use, with minimal external components required, makes it a preferred choice for many hobbyists and professionals working with electronic circuits.
Key features of the KA7805ETU include short-circuit protection, thermal overload protection, and safe area compensation, making it robust and reliable for use in a variety of electronic circuits. It’s often utilized in applications such as embedded systems, microcontroller boards, and other electronic devices requiring a stable 5V power supply.
The KA7805ETU is typically housed in a TO-220 package, which facilitates heat dissipation through a heatsink when necessary. Its ease of use, with minimal external components required, makes it a preferred choice for many hobbyists and professionals working with electronic circuits.
Equivalent
The KA7805ETU is a 5V voltage regulator. Equivalent products include the LM7805, MC7805, L7805, and NTE960. These are all part of the 7805 series and provide similar performance and pin configuration. When looking for replacements, ensure they have compatible output voltage, current capacity, and thermal characteristics. Always refer to datasheets for cross-referencing specifications.
Features
The KA7805ETU is a linear voltage regulator that provides a stable 5V output from a higher input voltage. Key features include:
1. Fixed Output Voltage: Delivers a constant 5V output.
2. Input Voltage Range: Typically operates with input voltages from 7V to 25V.
3. Output Current: Can supply up to 1.5A of output current.
4. Thermal Overload Protection: Includes built-in protection to prevent damage from overheating.
5. Short-Circuit Protection: Safeguards against short circuits by limiting current.
6. Safe Operating Area Protection: Ensures reliable performance by maintaining the device within safe limits.
7. Low Quiescent Current: Consumes minimal quiescent current for efficient operation.
8. Ease of Use: Simple to use with minimal external components required, typically just input and output capacitors.
9. Package Type: Comes in a TO-220 package, which is suitable for through-hole mounting and offers efficient heat dissipation.
These features make the KA7805ETU ideal for applications requiring a reliable, regulated 5V supply in electronic circuits.
1. Fixed Output Voltage: Delivers a constant 5V output.
2. Input Voltage Range: Typically operates with input voltages from 7V to 25V.
3. Output Current: Can supply up to 1.5A of output current.
4. Thermal Overload Protection: Includes built-in protection to prevent damage from overheating.
5. Short-Circuit Protection: Safeguards against short circuits by limiting current.
6. Safe Operating Area Protection: Ensures reliable performance by maintaining the device within safe limits.
7. Low Quiescent Current: Consumes minimal quiescent current for efficient operation.
8. Ease of Use: Simple to use with minimal external components required, typically just input and output capacitors.
9. Package Type: Comes in a TO-220 package, which is suitable for through-hole mounting and offers efficient heat dissipation.
These features make the KA7805ETU ideal for applications requiring a reliable, regulated 5V supply in electronic circuits.
Pinout
The KA7805ETU is a three-terminal linear voltage regulator with a fixed output voltage of 5V. It is part of the 78xx series of voltage regulators commonly used for voltage regulation in electronic circuits. The device typically comes in a TO-220 package and has three pins:
1. Input (Pin 1): This pin receives the unregulated input voltage. The input voltage should be higher than the desired output voltage plus a minimum dropout voltage, typically 2V above the output voltage for proper regulation.
2. Ground (Pin 2): This pin is connected to the ground of the circuit. It serves as the common reference point for the input and output voltages.
3. Output (Pin 3): This pin provides the regulated 5V output. It supplies a stable voltage to power various electronic components in a circuit.
The KA7805ETU is designed to provide up to 1A of output current with suitable heatsinking. It features internal thermal overload protection and short-circuit current limiting for reliability and safety.
1. Input (Pin 1): This pin receives the unregulated input voltage. The input voltage should be higher than the desired output voltage plus a minimum dropout voltage, typically 2V above the output voltage for proper regulation.
2. Ground (Pin 2): This pin is connected to the ground of the circuit. It serves as the common reference point for the input and output voltages.
3. Output (Pin 3): This pin provides the regulated 5V output. It supplies a stable voltage to power various electronic components in a circuit.
The KA7805ETU is designed to provide up to 1A of output current with suitable heatsinking. It features internal thermal overload protection and short-circuit current limiting for reliability and safety.
Manufacturer
The KA7805ETU is manufactured by ON Semiconductor, a company that specializes in designing, manufacturing, and marketing a wide range of semiconductor components. ON Semiconductor, now known as onsemi, focuses on providing products and solutions for various applications, including automotive, industrial, communications, computing, and consumer electronics. The company offers products such as power management devices, sensors, logic, discrete and custom devices, which are essential for driving energy-efficient innovations. As a key player in the semiconductor industry, onsemi aims to deliver high-performance products that facilitate smarter and more sustainable electronics.
Application
The KA7805ETU is a voltage regulator that provides a stable 5V output. It is commonly used in various applications, including:
1. Power Supplies: Ensures consistent output voltage for electronic devices.
2. Microcontroller Systems: Provides stable power to microcontrollers and digital circuits.
3. Embedded Systems: Supplies regulated voltage for consistent operation of embedded components.
4. Consumer Electronics: Used in devices like TV sets, DVD players, and gaming consoles.
5. Automotive Electronics: Powers sensors and control units.
6. Industrial Equipment: Provides reliable voltage for sensors and controllers.
7. Communication Devices: Ensures stable operation of networking equipment.
These applications benefit from the KA7805ETU’s ability to maintain a constant voltage output, enhancing reliability and performance.
1. Power Supplies: Ensures consistent output voltage for electronic devices.
2. Microcontroller Systems: Provides stable power to microcontrollers and digital circuits.
3. Embedded Systems: Supplies regulated voltage for consistent operation of embedded components.
4. Consumer Electronics: Used in devices like TV sets, DVD players, and gaming consoles.
5. Automotive Electronics: Powers sensors and control units.
6. Industrial Equipment: Provides reliable voltage for sensors and controllers.
7. Communication Devices: Ensures stable operation of networking equipment.
These applications benefit from the KA7805ETU’s ability to maintain a constant voltage output, enhancing reliability and performance.
Package
The KA7805ETU is a voltage regulator that typically comes in a TO-220 package. This package type is characterized by its three leads and a metal tab for heat dissipation, making it suitable for through-hole mounting and applications requiring moderate power dissipation.
