Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Bulk,Tube |
| ProductStatus | Active |
| OutputConfiguration | Negative |
| OutputType | Fixed |
| NumberofRegulators | 1 |
| Voltage-Input(Max) | -35V |
| Voltage-Output(Min/Fixed) | -15V |
| VoltageDropout(Max) | 1.3V @ 1A (Typ) |
| Current-Output | 1A |
| PSRR | 60dB (120Hz) |
| ProtectionFeatures | Over Current, Over Temperature |
| OperatingTemperature | 0°C ~ 125°C |
| MountingType | Through Hole |
| Package/Case | TO-220-3 |
Tổng quan
Description
The MC7915CTG is a fixed negative voltage regulator designed to provide a stable output voltage of -15 volts. Part of the MC79XX series, it is commonly used in electronic circuits to maintain a consistent voltage level for components that require a negative supply voltage. The device can deliver a maximum output current of 1.5 amperes, making it suitable for moderate power applications. It features built-in protection mechanisms such as thermal shutdown and current limiting to safeguard against overheating and overcurrent conditions, enhancing reliability.
The MC7915CTG typically requires two external capacitors for stable operation: one at the input and one at the output, helping filter noise and improve transient response. It is often used in power supply designs for analog circuits, communication equipment, and other electronic devices where a stable negative voltage is necessary. Available in a TO-220 package, the MC7915CTG is easy to mount and integrate into various designs, making it a popular choice for engineers and hobbyists working with negative voltage applications.
The MC7915CTG typically requires two external capacitors for stable operation: one at the input and one at the output, helping filter noise and improve transient response. It is often used in power supply designs for analog circuits, communication equipment, and other electronic devices where a stable negative voltage is necessary. Available in a TO-220 package, the MC7915CTG is easy to mount and integrate into various designs, making it a popular choice for engineers and hobbyists working with negative voltage applications.
Equivalent
The MC7915CTG is a negative voltage regulator. Equivalent products include:
1. LM7915 from Texas Instruments
2. L7915CV from STMicroelectronics
3. KA7915 from ON Semiconductor
4. UA7915 from Fairchild Semiconductor
These equivalents offer similar functionalities such as output voltage regulation of -15V and are often used in power supply circuits. Always check the datasheets for specific electrical characteristics and pin compatibility.
1. LM7915 from Texas Instruments
2. L7915CV from STMicroelectronics
3. KA7915 from ON Semiconductor
4. UA7915 from Fairchild Semiconductor
These equivalents offer similar functionalities such as output voltage regulation of -15V and are often used in power supply circuits. Always check the datasheets for specific electrical characteristics and pin compatibility.
Features
The MC7915CTG is a fixed output negative voltage regulator. Key features include:
1. Voltage Regulation: Provides a fixed output of -15V.
2. Output Current: Capable of delivering up to 1.5A.
3. Thermal Protection: Built-in thermal overload protection to prevent damage due to excessive heat.
4. Short-Circuit Protection: Offers current limiting to handle short-circuit conditions.
5. Dropout Voltage: Typically requires a dropout voltage of around 2V to maintain regulation.
6. Temperature Range: Operates effectively within a temperature range of 0°C to +125°C.
7. Package Type: Typically available in a TO-220 package, suitable for through-hole mounting.
8. Applications: Commonly used in power supplies for maintaining a stable negative voltage output, ideal for op-amp circuits, and other analog applications.
These features make the MC7915CTG suitable for applications needing reliable and efficient negative voltage regulation.
1. Voltage Regulation: Provides a fixed output of -15V.
2. Output Current: Capable of delivering up to 1.5A.
3. Thermal Protection: Built-in thermal overload protection to prevent damage due to excessive heat.
4. Short-Circuit Protection: Offers current limiting to handle short-circuit conditions.
5. Dropout Voltage: Typically requires a dropout voltage of around 2V to maintain regulation.
6. Temperature Range: Operates effectively within a temperature range of 0°C to +125°C.
7. Package Type: Typically available in a TO-220 package, suitable for through-hole mounting.
8. Applications: Commonly used in power supplies for maintaining a stable negative voltage output, ideal for op-amp circuits, and other analog applications.
These features make the MC7915CTG suitable for applications needing reliable and efficient negative voltage regulation.
Pinout
The MC7915CTG is a fixed negative voltage regulator from the MC79XX series, specifically providing a -15V output. It typically comes in a TO-220 package and has three pins:
1. Pin 1 (Input): This pin receives the unregulated input voltage. It should be more negative than the output voltage by at least the dropout voltage for proper regulation.
2. Pin 2 (Ground): This pin is the common ground connection for both input and output. It serves as a reference point and is crucial for establishing a stable operation.
3. Pin 3 (Output): This pin provides the regulated -15V output voltage. It is used to power the negative supply rail of a circuit.
The MC7915CTG is designed for use in applications requiring a stable and regulated negative voltage, such as power supplies for operational amplifiers and other analog devices. It provides current up to 1.5A and includes features like thermal shutdown and current limiting to protect against overload conditions.
1. Pin 1 (Input): This pin receives the unregulated input voltage. It should be more negative than the output voltage by at least the dropout voltage for proper regulation.
2. Pin 2 (Ground): This pin is the common ground connection for both input and output. It serves as a reference point and is crucial for establishing a stable operation.
3. Pin 3 (Output): This pin provides the regulated -15V output voltage. It is used to power the negative supply rail of a circuit.
The MC7915CTG is designed for use in applications requiring a stable and regulated negative voltage, such as power supplies for operational amplifiers and other analog devices. It provides current up to 1.5A and includes features like thermal shutdown and current limiting to protect against overload conditions.
Manufacturer
The MC7915CTG is manufactured by ON Semiconductor, now known as onsemi. onsemi is a leading global supplier of semiconductor-based solutions offering a comprehensive portfolio of energy-efficient power and signal management, logic, discrete, and custom devices. The company's products are used in a wide array of applications, ranging from automotive and industrial to communication, computing, consumer, and medical sectors. onsemi is known for its focus on energy-efficient innovations, enabling engineers to address their design challenges efficiently.
Application
The MC7915CTG is a voltage regulator used primarily in electronic circuits requiring a stable negative voltage output. Its application areas include:
1. Power Supplies: Provides regulated negative voltage for various electronic devices.
2. Consumer Electronics: Used in TVs, audio systems, and other devices needing precise voltage control.
3. Industrial Equipment: Ensures stable power supply for control circuits in machinery.
4. Communication Systems: Used in modems, routers, and transmitters for stable operation.
5. Automotive Electronics: Provides regulated power for sensors and control units.
6. Test and Measurement Instruments: Ensures accuracy by delivering stable voltage to sensitive components.
These applications benefit from its ability to maintain a constant voltage despite variations in load current and input voltage.
1. Power Supplies: Provides regulated negative voltage for various electronic devices.
2. Consumer Electronics: Used in TVs, audio systems, and other devices needing precise voltage control.
3. Industrial Equipment: Ensures stable power supply for control circuits in machinery.
4. Communication Systems: Used in modems, routers, and transmitters for stable operation.
5. Automotive Electronics: Provides regulated power for sensors and control units.
6. Test and Measurement Instruments: Ensures accuracy by delivering stable voltage to sensitive components.
These applications benefit from its ability to maintain a constant voltage despite variations in load current and input voltage.
Package
The MC7915CTG is a negative voltage regulator with a TO-220 package type. This package is commonly used for power semiconductors due to its ability to dissipate heat effectively, making it suitable for applications requiring up to a few amps of current.
