Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -35V |
| Voltage-Output(Min/Fixed) | -15V |
| VoltageDropout(Max) | 1.1V @ 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 |
Tổng quan
Description
The L7915ACV is a three-terminal negative voltage regulator from STMicroelectronics, designed to provide a fixed output voltage of -15V. It is part of the 79xx series of voltage regulators, which are widely used in electronic circuits to ensure stable voltage supply to components. This device is capable of delivering up to 1.5A of output current, with features such as internal current limiting, thermal shutdown, and safe-area protection, making it reliable and robust for various applications.
The L7915ACV is often used in power supply designs where a stable negative voltage is required, such as in dual-supply op-amp circuits, audio equipment, and other analog systems. Its TO-220 package allows for easy mounting and heat dissipation, contributing to its effectiveness in maintaining stable operation even under varying load conditions. The device's ease of use, combined with its protective features, makes it a popular choice for ensuring negative voltage regulation in both commercial and hobbyist electronic projects.
The L7915ACV is often used in power supply designs where a stable negative voltage is required, such as in dual-supply op-amp circuits, audio equipment, and other analog systems. Its TO-220 package allows for easy mounting and heat dissipation, contributing to its effectiveness in maintaining stable operation even under varying load conditions. The device's ease of use, combined with its protective features, makes it a popular choice for ensuring negative voltage regulation in both commercial and hobbyist electronic projects.
Equivalent
The L7915ACV is a negative voltage regulator providing a -15V output. Equivalent products include the LM7915, MC7915, UA7915, KA7915, and NJM7915. These are all part of the 7915 series of voltage regulators, which are designed for similar applications and offer similar electrical characteristics, ensuring compatibility in most circuits. Always confirm the specific requirements and pin configurations of your application before substituting.
Features
The L7915ACV is a voltage regulator integrated circuit designed to provide a stable negative 15V output. Key features include:
1. Output Voltage: Delivers a fixed output of -15V.
2. Current Capability: Supports up to 1.5A output current.
3. Thermal Protection: Includes internal thermal shutdown to prevent overheating.
4. Short Circuit Protection: Provides protection against short circuits, enhancing reliability.
5. Wide Input Voltage Range: Operates with input voltages ranging from -23V to -35V.
6. Low Dropout Voltage: Ensures efficient regulation with minimal voltage drop.
7. Easy to Use: Requires only minimal external components for operation.
8. Package: Commonly available in a TO-220 package, known for effective heat dissipation.
9. Stability: Provides excellent line and load regulation, ensuring consistent performance.
10. Temperature Range: Designed to operate over a wide temperature range, typically from 0°C to 125°C.
These features make the L7915ACV suitable for a variety of applications requiring reliable negative voltage regulation.
1. Output Voltage: Delivers a fixed output of -15V.
2. Current Capability: Supports up to 1.5A output current.
3. Thermal Protection: Includes internal thermal shutdown to prevent overheating.
4. Short Circuit Protection: Provides protection against short circuits, enhancing reliability.
5. Wide Input Voltage Range: Operates with input voltages ranging from -23V to -35V.
6. Low Dropout Voltage: Ensures efficient regulation with minimal voltage drop.
7. Easy to Use: Requires only minimal external components for operation.
8. Package: Commonly available in a TO-220 package, known for effective heat dissipation.
9. Stability: Provides excellent line and load regulation, ensuring consistent performance.
10. Temperature Range: Designed to operate over a wide temperature range, typically from 0°C to 125°C.
These features make the L7915ACV suitable for a variety of applications requiring reliable negative voltage regulation.
Pinout
The L7915ACV is a negative voltage regulator with three pins. It is designed to provide a fixed output voltage of -15V. Here is a brief description of the pin functions:
1. Pin 1 (Input): This is the input pin where the unregulated voltage is supplied. The input voltage must be more negative than -17.5V to ensure proper regulation.
2. Pin 2 (Ground): This pin is connected to the ground of the circuit. It serves as a common reference point for the input and output voltages.
3. Pin 3 (Output): This is the output pin of the regulator, providing a stable -15V output voltage. It can source a current up to 1.5A, provided the input voltage and power dissipation constraints are met.
The L7915ACV is commonly used in power supply circuits to provide a stable negative voltage, often in conjunction with a positive regulator to create a dual-polarity power supply.
1. Pin 1 (Input): This is the input pin where the unregulated voltage is supplied. The input voltage must be more negative than -17.5V to ensure proper regulation.
2. Pin 2 (Ground): This pin is connected to the ground of the circuit. It serves as a common reference point for the input and output voltages.
3. Pin 3 (Output): This is the output pin of the regulator, providing a stable -15V output voltage. It can source a current up to 1.5A, provided the input voltage and power dissipation constraints are met.
The L7915ACV is commonly used in power supply circuits to provide a stable negative voltage, often in conjunction with a positive regulator to create a dual-polarity power supply.
Manufacturer
The L7915ACV is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. It is known for producing integrated circuits and discrete devices used in various electronic applications. The company serves diverse markets, including automotive, industrial, personal electronics, and communications equipment, providing solutions that enhance the performance and efficiency of electronic systems. STMicroelectronics operates worldwide, supplying components to customers in different regions, and is recognized for its innovation and leadership in the semiconductor industry.
Application
The L7915ACV is a voltage regulator used primarily in applications requiring a stable negative voltage output, typically -15V, with a current capacity of up to 1.5A. It is commonly employed in power supply circuits for electronic devices, ensuring consistent voltage levels for components sensitive to voltage fluctuations. Key application areas include audio equipment, instrumentation, communication systems, and various consumer electronics. The L7915ACV helps in reducing ripple voltage and noise, providing regulated power in circuits requiring a negative power supply rail. Its thermal overload protection and short-circuit protection features make it suitable for robust and reliable power management solutions.
Package
The L7915ACV is a negative voltage regulator, and its package type is typically TO-220.
