Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Not For New Designs |
| OutputConfiguration | Positive |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | 35V |
| Voltage-Output(Min/Fixed) | 5V |
| Current-Output | 500mA |
| Current-Quiescent(Iq) | 3 mA |
| PSRR | 78dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature, Short Circuit |
| OperatingTemperature | -40°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
Tổng quan
Description
The LM78M05CDT is a voltage regulator integrated circuit (IC) used to provide a stable 5V output from a higher voltage input, typically ranging from 7V to 35V. It's part of the LM78xx series, known for its ease of use and reliability in providing fixed voltage regulation. The "M" in its designation indicates a medium current capability, with the LM78M05CDT supporting up to 500 mA of output current.
Key features of the LM78M05CDT include built-in protection mechanisms such as thermal shutdown, current limiting, and safe area protection, which prevent damage to the IC under fault conditions. It is packaged in a TO-252 (DPAK) surface-mount configuration, making it suitable for compact circuit designs.
This regulator is commonly used in electronic circuits that require a stable 5V supply, such as microcontrollers, sensors, and other digital components. Its simplicity, along with minimal external components needed for operation, makes it a popular choice for both hobbyists and professional applications.
Key features of the LM78M05CDT include built-in protection mechanisms such as thermal shutdown, current limiting, and safe area protection, which prevent damage to the IC under fault conditions. It is packaged in a TO-252 (DPAK) surface-mount configuration, making it suitable for compact circuit designs.
This regulator is commonly used in electronic circuits that require a stable 5V supply, such as microcontrollers, sensors, and other digital components. Its simplicity, along with minimal external components needed for operation, makes it a popular choice for both hobbyists and professional applications.
Equivalent
The LM78M05CDT is a 5V voltage regulator. Equivalent products include:
1. L7805CV (STMicroelectronics)
2. MC7805CT (ON Semiconductor)
3. KA7805 (Fairchild Semiconductor)
4. UA7805 (Texas Instruments)
5. NTE960 (NTE Electronics)
These alternatives offer similar voltage regulation functionality and electrical specifications suitable for the same applications. Always check the datasheets to ensure compatibility with your specific requirements.
1. L7805CV (STMicroelectronics)
2. MC7805CT (ON Semiconductor)
3. KA7805 (Fairchild Semiconductor)
4. UA7805 (Texas Instruments)
5. NTE960 (NTE Electronics)
These alternatives offer similar voltage regulation functionality and electrical specifications suitable for the same applications. Always check the datasheets to ensure compatibility with your specific requirements.
Features
The LM78M05CDT is a voltage regulator with the following key features:
1. Output Voltage: Provides a fixed 5V output.
2. Output Current: Capable of delivering up to 0.5A.
3. Thermal Overload Protection: Automatically shuts down the regulator to prevent damage from overheating.
4. Short-Circuit Protection: Safeguards the device by reducing the output current during short-circuit conditions.
5. Safe Operating Area (SOA) Protection: Ensures the device operates within safe limits under various conditions.
6. Low Dropout Voltage: Typically requires only a small difference between input and output voltage for proper regulation.
7. Wide Input Voltage Range: Operates efficiently over a broad range of input voltages, typically up to 35V.
8. Package Type: Available in a TO-252 package, suitable for surface-mount applications.
9. Temperature Range: Designed for operation over a standard temperature range, typically from -40°C to +125°C.
These features make the LM78M05CDT suitable for use in various electronic applications requiring stable 5V power supply regulation.
1. Output Voltage: Provides a fixed 5V output.
2. Output Current: Capable of delivering up to 0.5A.
3. Thermal Overload Protection: Automatically shuts down the regulator to prevent damage from overheating.
4. Short-Circuit Protection: Safeguards the device by reducing the output current during short-circuit conditions.
5. Safe Operating Area (SOA) Protection: Ensures the device operates within safe limits under various conditions.
6. Low Dropout Voltage: Typically requires only a small difference between input and output voltage for proper regulation.
7. Wide Input Voltage Range: Operates efficiently over a broad range of input voltages, typically up to 35V.
8. Package Type: Available in a TO-252 package, suitable for surface-mount applications.
9. Temperature Range: Designed for operation over a standard temperature range, typically from -40°C to +125°C.
These features make the LM78M05CDT suitable for use in various electronic applications requiring stable 5V power supply regulation.
Pinout
The LM78M05CDT is a three-terminal positive voltage regulator with a fixed output voltage of 5V. It typically comes in a TO-252 (DPAK) package, which has three pins. The pin functions are as follows:
1. Input (Pin 1): This is where the unregulated input voltage is applied. It requires a voltage higher than the desired output voltage to function properly.
2. Ground (Pin 2): This pin is the ground connection for both the input and output voltage.
3. Output (Pin 3): This pin provides the regulated 5V output.
The LM78M05CDT is used for providing a stable voltage output with a current capability of up to 0.5A. It includes internal current limiting, thermal shutdown, and safe area protection, making it robust for various applications.
1. Input (Pin 1): This is where the unregulated input voltage is applied. It requires a voltage higher than the desired output voltage to function properly.
2. Ground (Pin 2): This pin is the ground connection for both the input and output voltage.
3. Output (Pin 3): This pin provides the regulated 5V output.
The LM78M05CDT is used for providing a stable voltage output with a current capability of up to 0.5A. It includes internal current limiting, thermal shutdown, and safe area protection, making it robust for various applications.
Manufacturer
The LM78M05CDT is manufactured by STMicroelectronics. STMicroelectronics is a multinational electronics and semiconductor manufacturer. Headquartered in Geneva, Switzerland, the company is one of the leading players in the semiconductor industry. They design and produce a wide range of products including microcontrollers, sensors, power management devices, and other integrated circuits for various applications across industrial, automotive, personal electronics, and communication equipment sectors. STMicroelectronics is known for its focus on innovation and sustainability in technology.
Application
The LM78M05CDT is a voltage regulator that provides a stable 5V output, commonly used in various electronic applications. Its application areas include power supply circuits, consumer electronics, microcontroller systems, and embedded systems. It is also used in telecommunications equipment, industrial automation, and automotive electronics to maintain consistent voltage levels for sensitive components. Its thermal protection and short-circuit protection features make it suitable for robust and reliable power management solutions.
Package
The LM78M05CDT is a voltage regulator available in a TO-252 (DPAK) package. This surface-mount package is designed for efficient heat dissipation and compactness, making it suitable for use in various electronic applications requiring a stable 5V output.
