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L7805CDT
IC REG LINEAR 5V 1.5A DPAK
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- 包 TO-252
- 資料表 L7805CDT DataSheet
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規格
| 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 | 1.5A |
| Current-Quiescent(Iq) | 8 mA |
| PSRR | 62dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | TO-252-3, DPak (2 Leads + Tab), SC-63 |
概述
Description
The L7805CDT is a popular linear voltage regulator integrated circuit that outputs a stable 5V DC from a higher input voltage. Part of the L78xx series, it is designed for use in a wide range of applications requiring a regulated power supply. The "CDT" suffix typically denotes a specific package type, such as DPAK, which refers to its surface-mount configuration, making it suitable for modern compact circuit designs.
Key features of the L7805CDT include thermal shutdown, current limiting, and safe area protection, ensuring reliable performance even under harsh conditions. It can handle input voltages ranging from about 7V to 35V and output a steady 5V with a maximum load current of up to 1.5A. This regulator is ideal for powering microcontrollers, sensors, and other electronic components that require a consistent 5V supply.
The L7805CDT is valued for its simplicity, reliability, and ease of use, making it a staple in both amateur and professional electronics projects. Its robust design helps protect connected components, ensuring the longevity and stability of electronic systems.
Key features of the L7805CDT include thermal shutdown, current limiting, and safe area protection, ensuring reliable performance even under harsh conditions. It can handle input voltages ranging from about 7V to 35V and output a steady 5V with a maximum load current of up to 1.5A. This regulator is ideal for powering microcontrollers, sensors, and other electronic components that require a consistent 5V supply.
The L7805CDT is valued for its simplicity, reliability, and ease of use, making it a staple in both amateur and professional electronics projects. Its robust design helps protect connected components, ensuring the longevity and stability of electronic systems.
Features
The L7805CDT is a voltage regulator that provides a fixed output voltage of 5V. It is part of the 7805 series of regulators, which are widely used for a variety of applications requiring a stable and reliable power supply. Key features of the L7805CDT include:
1. Output Voltage: Fixed 5V output with a tolerance of about ±2%.
2. Input Voltage: Typically requires an input voltage of 7V to 35V.
3. Output Current: Can deliver an output current of up to 1.5A.
4. Thermal Overload Protection: Includes built-in thermal shutdown to prevent overheating.
5. Short-Circuit Protection: Protects against short-circuit conditions to enhance reliability.
6. Safe Operating Area Protection: Ensures the device operates within safe limits under various conditions.
7. Package: Comes in a TO-252 package, which is a surface-mount package.
8. Low Dropout Voltage: Typically around 2V, allowing for efficient operation with low input-output differential.
These features make the L7805CDT suitable for use in power supply applications in consumer electronics, computers, and industrial equipment.
1. Output Voltage: Fixed 5V output with a tolerance of about ±2%.
2. Input Voltage: Typically requires an input voltage of 7V to 35V.
3. Output Current: Can deliver an output current of up to 1.5A.
4. Thermal Overload Protection: Includes built-in thermal shutdown to prevent overheating.
5. Short-Circuit Protection: Protects against short-circuit conditions to enhance reliability.
6. Safe Operating Area Protection: Ensures the device operates within safe limits under various conditions.
7. Package: Comes in a TO-252 package, which is a surface-mount package.
8. Low Dropout Voltage: Typically around 2V, allowing for efficient operation with low input-output differential.
These features make the L7805CDT suitable for use in power supply applications in consumer electronics, computers, and industrial equipment.
Package
The L7805CDT is a voltage regulator with a TO-252 package type. This package is also known as DPAK, featuring a compact design suitable for surface mounting on PCBs. It provides a 5V output with a maximum output current of 1.5A.
Pinout
The L7805CDT is a fixed voltage regulator with a 5V output. It typically comes in a TO-252 package and has a 3-pin configuration.
Here is a brief description of its pin functions:
1. Input (Pin 1): This is where the unregulated input voltage is applied. The input voltage must be higher than the desired output voltage for proper operation.
2. Ground (Pin 2): This pin is connected to the ground of both the input and the output. It serves as a common reference point for the regulator.
3. Output (Pin 3): This pin provides a regulated 5V output. It is connected to the load that requires the regulated voltage.
The L7805CDT is used in various applications requiring a stable 5V power supply, such as powering microcontrollers and other digital circuits. It includes features like current limiting, thermal shutdown, and safe area protection to ensure reliable operation.
Here is a brief description of its pin functions:
1. Input (Pin 1): This is where the unregulated input voltage is applied. The input voltage must be higher than the desired output voltage for proper operation.
2. Ground (Pin 2): This pin is connected to the ground of both the input and the output. It serves as a common reference point for the regulator.
3. Output (Pin 3): This pin provides a regulated 5V output. It is connected to the load that requires the regulated voltage.
The L7805CDT is used in various applications requiring a stable 5V power supply, such as powering microcontrollers and other digital circuits. It includes features like current limiting, thermal shutdown, and safe area protection to ensure reliable operation.
Manufacturer
The L7805CDT is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. It serves customers across various sectors, including automotive, industrial, personal electronics, communications equipment, and computers. The company is known for its innovations in electronics and has a broad portfolio that includes microcontrollers, sensors, power management devices, and other integrated circuits.
Application
The L7805CDT is a linear voltage regulator commonly used in applications requiring a stable 5V output. Its primary application areas include power supply circuits for microcontrollers, embedded systems, and electronic devices. It is also used in consumer electronics, industrial automation, and communication devices to ensure a consistent voltage level. Additionally, it is suitable for educational projects and prototyping where a simple and reliable power regulation solution is needed.
Equivalent
The L7805CDT is a linear voltage regulator providing a fixed 5V output. Equivalent products include:
1. LM7805 by Texas Instruments.
2. MC7805 by ON Semiconductor.
3. NTE960 by NTE Electronics.
4. UA7805 by Fairchild Semiconductor (now ON Semiconductor).
5. KA7805 by Samsung Semiconductor.
6. L78S05 by STMicroelectronics.
These alternatives have similar specifications and can typically be used interchangeably in applications requiring a 5V fixed voltage regulator. Always check the datasheets for minor specification differences.
1. LM7805 by Texas Instruments.
2. MC7805 by ON Semiconductor.
3. NTE960 by NTE Electronics.
4. UA7805 by Fairchild Semiconductor (now ON Semiconductor).
5. KA7805 by Samsung Semiconductor.
6. L78S05 by STMicroelectronics.
These alternatives have similar specifications and can typically be used interchangeably in applications requiring a 5V fixed voltage regulator. Always check the datasheets for minor specification differences.
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