規格
| 屬性 | 價值 |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -35V |
| Voltage-Output(Min/Fixed) | -5V |
| VoltageDropout(Max) | 1.4V @ 1A (Typ) |
| Current-Output | 1.5A |
| Current-Quiescent(Iq) | 3 mA |
| PSRR | 60dB (120Hz) |
| ProtectionFeatures | Over Temperature, Short Circuit |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
概述
Description
"L7905CV" appears to be a specific model number, which might refer to a product or component. Without further context, it's challenging to provide a definitive introduction.
Generally, in the context of electronics or engineering, model numbers like L7905CV often denote a specific part or device. For instance, in electronics, the "L7905CV" could be a voltage regulator, particularly a fixed negative voltage regulator in the L79xx series. These components are widely used to maintain a constant voltage level, which is crucial in power supply circuits. The "05" in the designation suggests it outputs -5 volts, and "CV" could indicate a certain package type or temperature rating.
These regulators are designed to provide stable output even when there are changes in input voltage or load conditions, protecting sensitive components in your circuitry. They are commonly used in various applications, including consumer electronics, industrial equipment, and more, offering reliability and ease of use with three-terminal configuration for easy integration into electronic projects.
Generally, in the context of electronics or engineering, model numbers like L7905CV often denote a specific part or device. For instance, in electronics, the "L7905CV" could be a voltage regulator, particularly a fixed negative voltage regulator in the L79xx series. These components are widely used to maintain a constant voltage level, which is crucial in power supply circuits. The "05" in the designation suggests it outputs -5 volts, and "CV" could indicate a certain package type or temperature rating.
These regulators are designed to provide stable output even when there are changes in input voltage or load conditions, protecting sensitive components in your circuitry. They are commonly used in various applications, including consumer electronics, industrial equipment, and more, offering reliability and ease of use with three-terminal configuration for easy integration into electronic projects.
Equivalent
The L7905CV is a negative voltage regulator that provides a fixed -5V output. Equivalent products include the LM7905, MC7905, UA7905, and NJM7905, among others. These components share similar specifications, such as output voltage, current handling, and pin configuration, making them interchangeable in most applications. Always check the datasheet for specific parameters to ensure compatibility.
Features
The L7905CV is a voltage regulator designed to provide a stable output voltage of -5V. It is part of the 79xx series of negative voltage regulators. Here are some key features:
1. Output Voltage: Provides a consistent -5V output.
2. Current Output: Can supply up to 1.5A of current, making it suitable for a variety of applications.
3. Thermal Protection: Includes built-in thermal overload protection to prevent damage from overheating.
4. Short-Circuit Protection: Features short-circuit protection for enhanced reliability and safety.
5. Low Dropout: Offers a relatively low dropout voltage, ensuring efficient performance.
6. Easy Implementation: Requires minimal external components, simplifying circuit design and reducing space.
7. Package Type: Typically available in a TO-220 package, which is common for power components, facilitating easy mounting and heat dissipation.
These features make the L7905CV suitable for use in various electronic circuits requiring a stable negative voltage supply.
1. Output Voltage: Provides a consistent -5V output.
2. Current Output: Can supply up to 1.5A of current, making it suitable for a variety of applications.
3. Thermal Protection: Includes built-in thermal overload protection to prevent damage from overheating.
4. Short-Circuit Protection: Features short-circuit protection for enhanced reliability and safety.
5. Low Dropout: Offers a relatively low dropout voltage, ensuring efficient performance.
6. Easy Implementation: Requires minimal external components, simplifying circuit design and reducing space.
7. Package Type: Typically available in a TO-220 package, which is common for power components, facilitating easy mounting and heat dissipation.
These features make the L7905CV suitable for use in various electronic circuits requiring a stable negative voltage supply.
Pinout
The L7905CV is a negative voltage regulator with three pins. It provides a fixed output voltage of -5V and can deliver up to 1.5A of output current. The pin functions are as follows:
1. Input (Pin 1): This pin is connected to the unregulated input voltage. For optimal performance, a capacitor is often connected between this pin and ground to stabilize the input voltage.
2. Ground (Pin 2): This is the common ground reference for both input and output. It is essential for maintaining a stable voltage regulation and is connected to the negative side of the power supply and load.
3. Output (Pin 3): The regulated -5V output is provided at this pin. To improve transient response and stability, a capacitor is usually connected between this pin and ground.
The L7905CV is commonly used in applications where a stable negative voltage is required, such as in dual power supply configurations.
1. Input (Pin 1): This pin is connected to the unregulated input voltage. For optimal performance, a capacitor is often connected between this pin and ground to stabilize the input voltage.
2. Ground (Pin 2): This is the common ground reference for both input and output. It is essential for maintaining a stable voltage regulation and is connected to the negative side of the power supply and load.
3. Output (Pin 3): The regulated -5V output is provided at this pin. To improve transient response and stability, a capacitor is usually connected between this pin and ground.
The L7905CV is commonly used in applications where a stable negative voltage is required, such as in dual power supply configurations.
Manufacturer
The L7905CV is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of products and solutions, including analog devices, microcontrollers, sensors, and power management components. The company serves various markets, such as automotive, industrial, personal electronics, and communications equipment. It is known for its innovation and emphasis on sustainable development. STMicroelectronics operates worldwide, with a significant presence in Europe, Asia, and the Americas.
Application
The L7905CV is a voltage regulator used in a variety of applications requiring a stable and consistent -5V output. Key application areas include:
1. Power Supply Systems: Provides a stable voltage for electronic circuits.
2. Consumer Electronics: Ensures consistent performance in devices like audio equipment.
3. Embedded Systems: Powers microcontrollers and other digital components.
4. Industrial Equipment: Used in control systems requiring reliable power regulation.
5. Communication Devices: Stabilizes power in systems like modems and routers.
6. Automotive Electronics: Powers various onboard systems.
7. Test and Measurement Equipment: Offers precise voltage control for accuracy.
Its reliability and ease of use make it suitable for both commercial and industrial applications.
1. Power Supply Systems: Provides a stable voltage for electronic circuits.
2. Consumer Electronics: Ensures consistent performance in devices like audio equipment.
3. Embedded Systems: Powers microcontrollers and other digital components.
4. Industrial Equipment: Used in control systems requiring reliable power regulation.
5. Communication Devices: Stabilizes power in systems like modems and routers.
6. Automotive Electronics: Powers various onboard systems.
7. Test and Measurement Equipment: Offers precise voltage control for accuracy.
Its reliability and ease of use make it suitable for both commercial and industrial applications.
Package
The L7905CV is a voltage regulator typically housed in a TO-220 package. This package type is characterized by its three leads and a tab for heat dissipation, making it suitable for through-hole mounting on printed circuit boards.
