規格
| 屬性 | 價值 |
| Package / Case | Tube |
| Part Status | Obsolete |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 35V |
| Voltage - Output (Min/Fixed) | 8V |
| Voltage Dropout (Max) | 2V @ 1A (Typ) |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 8 mA |
| PSRR | 56dB (120Hz) |
| Protection Features | Over Temperature, Short Circuit |
| Operating Temperature | 0°C ~ 125°C |
| Mounting Type | Surface Mount |
概述
Description
The L7808CD2T is a fixed-voltage linear voltage regulator produced by STMicroelectronics. It is part of the popular L78xx series, designed to provide a stable and regulated output voltage, in this case, 8 volts, with a maximum output current of 1.5 amperes.
Key features of the L7808CD2T include its internal thermal overload protection, short-circuit protection, and safe area protection, which enhance the reliability and safety of the device in various applications. The regulator comes in a D2PAK package, making it suitable for surface-mount applications where space is limited.
This voltage regulator is widely used in diverse applications, including power supplies for electronic devices, automotive systems, and consumer electronics. Its ability to provide a consistent output voltage from a higher input voltage makes it ideal for scenarios where precise voltage regulation is critical. Overall, the L7808CD2T is valued for its robustness, ease of use, and reliability in maintaining voltage stability in electronic circuits.
Key features of the L7808CD2T include its internal thermal overload protection, short-circuit protection, and safe area protection, which enhance the reliability and safety of the device in various applications. The regulator comes in a D2PAK package, making it suitable for surface-mount applications where space is limited.
This voltage regulator is widely used in diverse applications, including power supplies for electronic devices, automotive systems, and consumer electronics. Its ability to provide a consistent output voltage from a higher input voltage makes it ideal for scenarios where precise voltage regulation is critical. Overall, the L7808CD2T is valued for its robustness, ease of use, and reliability in maintaining voltage stability in electronic circuits.
Equivalent
The L7808CD2T is a voltage regulator that provides a fixed 8V output. Equivalent products include:
1. LM7808 by Texas Instruments
2. KA7808 by ON Semiconductor
3. UA7808 by Fairchild Semiconductor
4. MC7808 by ON Semiconductor
These equivalents offer similar functionality with fixed 8V output and can replace the L7808CD2T in most applications, but always check the datasheets for specific electrical characteristics and pin compatibility.
1. LM7808 by Texas Instruments
2. KA7808 by ON Semiconductor
3. UA7808 by Fairchild Semiconductor
4. MC7808 by ON Semiconductor
These equivalents offer similar functionality with fixed 8V output and can replace the L7808CD2T in most applications, but always check the datasheets for specific electrical characteristics and pin compatibility.
Features
The L7808CD2T is a linear voltage regulator manufactured by STMicroelectronics. Here are its key features:
1. Output Voltage: It provides a fixed output voltage of 8V.
2. Input Voltage: The device can handle input voltages up to 35V.
3. Output Current: It can supply a maximum output current of 1.5A.
4. Dropout Voltage: The dropout voltage is typically around 2V.
5. Regulation: It offers both line and load regulation to ensure stable output.
6. Thermal Protection: The device includes thermal shutdown to prevent overheating.
7. Short-Circuit Protection: It features current limiting to protect against short circuits.
8. Package: The L7808CD2T comes in a D²PAK package, which is suitable for surface mounting.
9. Operating Temperature: It operates within a temperature range of -40°C to +125°C.
10. Applications: Commonly used in power management applications, including consumer electronics, automotive, and industrial systems.
These features make the L7808CD2T suitable for various applications requiring a reliable 8V power supply.
1. Output Voltage: It provides a fixed output voltage of 8V.
2. Input Voltage: The device can handle input voltages up to 35V.
3. Output Current: It can supply a maximum output current of 1.5A.
4. Dropout Voltage: The dropout voltage is typically around 2V.
5. Regulation: It offers both line and load regulation to ensure stable output.
6. Thermal Protection: The device includes thermal shutdown to prevent overheating.
7. Short-Circuit Protection: It features current limiting to protect against short circuits.
8. Package: The L7808CD2T comes in a D²PAK package, which is suitable for surface mounting.
9. Operating Temperature: It operates within a temperature range of -40°C to +125°C.
10. Applications: Commonly used in power management applications, including consumer electronics, automotive, and industrial systems.
These features make the L7808CD2T suitable for various applications requiring a reliable 8V power supply.
Pinout
The L7808CD2T is a three-terminal positive voltage regulator with a fixed output voltage of 8V. It typically comes in a TO-252 (DPAK) package, which features three pins. The pin functions are as follows:
1. Input (Pin 1): This pin accepts the unregulated input voltage. It should be connected to a DC voltage higher than the desired output voltage, typically at least 10.5V for proper operation.
2. Ground (Pin 2): This pin is the ground reference for the regulator. It is connected to the negative side of the input and output.
3. Output (Pin 3): This pin provides the regulated 8V output voltage.
The L7808CD2T is used to deliver a stable 8V output with a maximum current of up to 1.5A, suitable for various applications requiring a reliable voltage supply.
1. Input (Pin 1): This pin accepts the unregulated input voltage. It should be connected to a DC voltage higher than the desired output voltage, typically at least 10.5V for proper operation.
2. Ground (Pin 2): This pin is the ground reference for the regulator. It is connected to the negative side of the input and output.
3. Output (Pin 3): This pin provides the regulated 8V output voltage.
The L7808CD2T is used to deliver a stable 8V output with a maximum current of up to 1.5A, suitable for various applications requiring a reliable voltage supply.
Manufacturer
The L7808CD2T is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. The company provides products and solutions for various applications, including automotive, industrial, personal electronics, communications equipment, and computers. It is known for producing integrated circuits and discrete devices, such as transistors and voltage regulators, including the L7808CD2T. STMicroelectronics is recognized for its focus on innovation, energy efficiency, and sustainability in the semiconductor industry.
Application
The L7808CD2T is a linear voltage regulator used in various applications requiring a stable 8V output from a higher voltage supply. Its key application areas include power supply circuits, consumer electronics, and embedded systems. It's suitable for powering microcontrollers, sensors, and communication devices in automotive and industrial environments. Additionally, the regulator can be used in DIY electronics projects, offering overcurrent and thermal protection, thereby ensuring reliability. Its use in audio equipment ensures noise reduction and stable operation. Overall, the L7808CD2T is versatile for any application needing a dependable 8V power source.
Package
The L7808CD2T is a voltage regulator from the L78 series, manufactured by STMicroelectronics. It comes in a D²PAK package type, which is a surface-mount package designed for medium-power applications, providing good thermal performance and ease of mounting on PCBs.
