Specifications
| Attribute | Value |
| Package | Bulk |
| ProductStatus | Active |
Overview
Description
The LM7808CT is a voltage regulator integrated circuit (IC) from the LM78xx series, designed to provide a stable output voltage of 8 volts. It is commonly used in electronic circuits to provide a constant and reliable power supply to components requiring a fixed voltage. The "CT" suffix indicates a TO-220 package, which is a popular form factor for power ICs, offering a balance of thermal performance and ease of use in various applications.
Key features include:
1. Output Voltage: Fixed at 8V.
2. Input Voltage Range: Typically requires an input voltage at least 2-3 volts higher than the output (a minimum of around 10-11V).
3. Output Current: Can supply up to 1.5A, making it suitable for moderate power applications.
4. Protection: Built-in overcurrent protection, thermal shutdown, and short-circuit protection enhance reliability.
5. Thermal Performance: The TO-220 package allows easy heat dissipation, often used with a heatsink to manage thermal conditions.
The LM7808CT is widely utilized in power supply circuits for its simplicity, reliability, and cost-effectiveness.
Key features include:
1. Output Voltage: Fixed at 8V.
2. Input Voltage Range: Typically requires an input voltage at least 2-3 volts higher than the output (a minimum of around 10-11V).
3. Output Current: Can supply up to 1.5A, making it suitable for moderate power applications.
4. Protection: Built-in overcurrent protection, thermal shutdown, and short-circuit protection enhance reliability.
5. Thermal Performance: The TO-220 package allows easy heat dissipation, often used with a heatsink to manage thermal conditions.
The LM7808CT is widely utilized in power supply circuits for its simplicity, reliability, and cost-effectiveness.
Equivalent
The LM7808CT is a voltage regulator that outputs a fixed 8V. Equivalent products include:
1. L7808CV - by STMicroelectronics
2. MC7808CT - by ON Semiconductor
3. KA7808 - by Fairchild Semiconductor
4. UA7808CKCS - by Texas Instruments
5. NJM7808FA - by New Japan Radio Co.
These alternatives provide similar functionality and pin configuration, making them suitable replacements in most applications.
1. L7808CV - by STMicroelectronics
2. MC7808CT - by ON Semiconductor
3. KA7808 - by Fairchild Semiconductor
4. UA7808CKCS - by Texas Instruments
5. NJM7808FA - by New Japan Radio Co.
These alternatives provide similar functionality and pin configuration, making them suitable replacements in most applications.
Features
The LM7808CT is a voltage regulator from the 7800 series, designed to provide a fixed 8V output. Key features include:
1. Fixed Output Voltage: Delivers a stable 8V output with a maximum output current of 1.5A.
2. Input Voltage Range: Typically operates with an input voltage from 10.5V to 25V.
3. Thermal Overload Protection: Prevents the regulator from overheating.
4. Short-Circuit Protection: Inherent protection against output short-circuits.
5. Safe Area Protection: Limits the power dissipation to maintain safe operation.
6. Low Quiescent Current: Efficient operation with minimal current draw when unloaded.
7. Standard TO-220 Package: Convenient for heat dissipation with a heat sink.
8. Easy to Use: Requires minimal external components, often just input and output capacitors for stability.
These features make the LM7808CT suitable for various applications requiring regulated 8V power, such as in electronic projects, power supplies, and embedded systems.
1. Fixed Output Voltage: Delivers a stable 8V output with a maximum output current of 1.5A.
2. Input Voltage Range: Typically operates with an input voltage from 10.5V to 25V.
3. Thermal Overload Protection: Prevents the regulator from overheating.
4. Short-Circuit Protection: Inherent protection against output short-circuits.
5. Safe Area Protection: Limits the power dissipation to maintain safe operation.
6. Low Quiescent Current: Efficient operation with minimal current draw when unloaded.
7. Standard TO-220 Package: Convenient for heat dissipation with a heat sink.
8. Easy to Use: Requires minimal external components, often just input and output capacitors for stability.
These features make the LM7808CT suitable for various applications requiring regulated 8V power, such as in electronic projects, power supplies, and embedded systems.
Pinout
The LM7808CT is a voltage regulator from the 7800 series, designed to provide a fixed 8V output. It typically comes in a TO-220 package and has three pins. Here are the pin functions:
1. Input (Pin 1): This is the pin where the unregulated input voltage is supplied. The input voltage should be higher than 8V to maintain proper regulation, usually around 10-25V.
2. Ground (Pin 2): This pin is connected to the ground of both the input and output supplies. It is the common ground reference for the regulator.
3. Output (Pin 3): This pin provides the regulated output voltage of 8V. It is connected to the load that requires the regulated voltage.
The LM7808CT can deliver an output current of up to 1A with adequate heat sinking. It includes internal thermal overload protection and short-circuit protection features, which make it reliable and suitable for various applications requiring a stable 8V power supply.
1. Input (Pin 1): This is the pin where the unregulated input voltage is supplied. The input voltage should be higher than 8V to maintain proper regulation, usually around 10-25V.
2. Ground (Pin 2): This pin is connected to the ground of both the input and output supplies. It is the common ground reference for the regulator.
3. Output (Pin 3): This pin provides the regulated output voltage of 8V. It is connected to the load that requires the regulated voltage.
The LM7808CT can deliver an output current of up to 1A with adequate heat sinking. It includes internal thermal overload protection and short-circuit protection features, which make it reliable and suitable for various applications requiring a stable 8V power supply.
Manufacturer
The LM7808CT is a voltage regulator, and it has been manufactured by several companies, including Texas Instruments, STMicroelectronics, and ON Semiconductor. These companies are major players in the semiconductor industry.
1. Texas Instruments (TI): TI is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is well known for its innovation in analog and embedded processing.
2. STMicroelectronics: This is a Swiss-domiciled multinational corporation and a leading integrated device manufacturer. STMicroelectronics designs and produces a wide range of semiconductor products, including those for microelectronics and analog devices.
3. ON Semiconductor (now onsemi): An American semiconductor supplier company known for designing, manufacturing, and marketing a wide range of semiconductor components, primarily for power and signal management.
These companies are involved in the production of electronic components used in a variety of applications, from consumer electronics to industrial and automotive systems. The LM7808CT is part of the 78xx series of voltage regulators, which are widely used to provide a stable output voltage in electronic circuits.
1. Texas Instruments (TI): TI is an American technology company that designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. It is well known for its innovation in analog and embedded processing.
2. STMicroelectronics: This is a Swiss-domiciled multinational corporation and a leading integrated device manufacturer. STMicroelectronics designs and produces a wide range of semiconductor products, including those for microelectronics and analog devices.
3. ON Semiconductor (now onsemi): An American semiconductor supplier company known for designing, manufacturing, and marketing a wide range of semiconductor components, primarily for power and signal management.
These companies are involved in the production of electronic components used in a variety of applications, from consumer electronics to industrial and automotive systems. The LM7808CT is part of the 78xx series of voltage regulators, which are widely used to provide a stable output voltage in electronic circuits.
Application
The LM7808CT is a voltage regulator that provides a stable 8V output. It is commonly used in various applications, including:
1. Power Supplies: Converts higher DC voltage to a stable 8V for powering electronic circuits.
2. Embedded Systems: Provides regulated power to microcontrollers and sensors.
3. Consumer Electronics: Used in devices requiring a consistent 8V DC power supply.
4. Automotive: Supplies stable voltage for car audio systems and other electronics.
5. Industrial Controls: Ensures consistent voltage for industrial monitoring and control systems.
The LM7808CT is valued for its simplicity, reliability, and ability to handle moderate current loads.
1. Power Supplies: Converts higher DC voltage to a stable 8V for powering electronic circuits.
2. Embedded Systems: Provides regulated power to microcontrollers and sensors.
3. Consumer Electronics: Used in devices requiring a consistent 8V DC power supply.
4. Automotive: Supplies stable voltage for car audio systems and other electronics.
5. Industrial Controls: Ensures consistent voltage for industrial monitoring and control systems.
The LM7808CT is valued for its simplicity, reliability, and ability to handle moderate current loads.
Package
The LM7808CT is a voltage regulator available in a TO-220 package type. This package is commonly used for power devices, providing good heat dissipation and easy mounting capabilities.
