Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| 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 | Surface Mount |
| Package/Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
Tổng quan
Description
The L7905CD2T-TR is a voltage regulator from the L7905 series, commonly used in electronic circuits to provide a stable negative output voltage of -5V. Manufactured by STMicroelectronics, this component is designed for applications requiring a fixed negative voltage from a positive input supply. It features a fixed output, thermal shutdown, current limiting, and safe area compensation to ensure reliability and protection during operation.
Housed in a D2PAK package, the L7905CD2T-TR is suitable for surface-mount applications, allowing for efficient heat dissipation due to its package design. It supports a wide range of input voltages, typically up to -35V, and can deliver an output current of up to 1.5A. This regulator is well-suited for use in various electronics, including power supply systems, audio devices, and other applications requiring a stable negative voltage rail. Its robust design and protective features make it a reliable choice for ensuring consistent performance across different usage scenarios.
Housed in a D2PAK package, the L7905CD2T-TR is suitable for surface-mount applications, allowing for efficient heat dissipation due to its package design. It supports a wide range of input voltages, typically up to -35V, and can deliver an output current of up to 1.5A. This regulator is well-suited for use in various electronics, including power supply systems, audio devices, and other applications requiring a stable negative voltage rail. Its robust design and protective features make it a reliable choice for ensuring consistent performance across different usage scenarios.
Equivalent
The L7905CD2T-TR is a negative voltage regulator with a -5V output. Equivalent products include the LM7905 from Texas Instruments, UA7905 from Fairchild Semiconductor, MC7905 from ON Semiconductor, and NTE9605 from NTE Electronics. These alternatives typically offer similar specifications and functionality, making them suitable substitutes in many applications. Always verify the electrical characteristics and pin configurations before substituting to ensure compatibility.
Features
The L7905CD2T-TR is a voltage regulator from the L79 series, which is designed to provide a fixed negative output voltage. Here are some key features:
1. Output Voltage: -5V negative fixed output.
2. Output Current: Can provide up to 1.5A of current.
3. Thermal Overload Protection: Protects against overheating.
4. Short-Circuit Protection: Limits the current to prevent damage from short circuits.
5. Safe Area Protection: Ensures operation within safe limits.
6. Dropout Voltage: Relatively low, enhancing efficiency.
7. Package: D2PAK, suitable for surface mounting.
8. Operating Temperature Range: Typically from -40°C to +125°C, suitable for various environments.
These features make the L7905CD2T-TR suitable for applications requiring a stable -5V supply, with robustness to handle typical circuit protection needs.
1. Output Voltage: -5V negative fixed output.
2. Output Current: Can provide up to 1.5A of current.
3. Thermal Overload Protection: Protects against overheating.
4. Short-Circuit Protection: Limits the current to prevent damage from short circuits.
5. Safe Area Protection: Ensures operation within safe limits.
6. Dropout Voltage: Relatively low, enhancing efficiency.
7. Package: D2PAK, suitable for surface mounting.
8. Operating Temperature Range: Typically from -40°C to +125°C, suitable for various environments.
These features make the L7905CD2T-TR suitable for applications requiring a stable -5V supply, with robustness to handle typical circuit protection needs.
Pinout
The L7905CD2T-TR is a linear voltage regulator IC manufactured by STMicroelectronics. It is part of the L79 series of negative voltage regulators.
- Pin Count: The L7905CD2T-TR typically comes in a D2PAK (TO-263) package, which has 3 pins.
- Pin Functions:
1. Input (IN): This pin is connected to the negative input voltage that needs to be regulated.
2. Ground (GND): This pin serves as the common ground reference for both the input and output.
3. Output (OUT): This pin provides the regulated negative output voltage, which is fixed at -5V for this IC.
The L7905CD2T-TR is used to provide a stable -5V output voltage from a higher negative input voltage, with a maximum output current of 1.5A. It features thermal shutdown and current limiting for protection.
- Pin Count: The L7905CD2T-TR typically comes in a D2PAK (TO-263) package, which has 3 pins.
- Pin Functions:
1. Input (IN): This pin is connected to the negative input voltage that needs to be regulated.
2. Ground (GND): This pin serves as the common ground reference for both the input and output.
3. Output (OUT): This pin provides the regulated negative output voltage, which is fixed at -5V for this IC.
The L7905CD2T-TR is used to provide a stable -5V output voltage from a higher negative input voltage, with a maximum output current of 1.5A. It features thermal shutdown and current limiting for protection.
Manufacturer
The L7905CD2T-TR is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products. The company operates in various sectors, including industrial, automotive, personal electronics, communications equipment, and computers. STMicroelectronics is known for its innovations in integrated circuits and electronic components, providing solutions that are essential for modern technologies.
Application
The L7905CD2T-TR is a linear voltage regulator commonly used in applications requiring a stable negative voltage output. Key application areas include:
1. Power Supply Circuits: Provides a steady -5V output for electronic devices.
2. Audio Equipment: Ensures clean and stable power supply for audio amplification.
3. Instrumentation: Used in measurement and testing equipment for accurate voltage supply.
4. Telecommunications: Supplies stable voltages for communication devices.
5. Industrial Automation: Provides regulated power for various control systems.
6. Embedded Systems: Supplies consistent voltage for microcontrollers and embedded devices.
Its reliability and ease of use make it suitable for various electronic applications requiring negative voltage regulation.
1. Power Supply Circuits: Provides a steady -5V output for electronic devices.
2. Audio Equipment: Ensures clean and stable power supply for audio amplification.
3. Instrumentation: Used in measurement and testing equipment for accurate voltage supply.
4. Telecommunications: Supplies stable voltages for communication devices.
5. Industrial Automation: Provides regulated power for various control systems.
6. Embedded Systems: Supplies consistent voltage for microcontrollers and embedded devices.
Its reliability and ease of use make it suitable for various electronic applications requiring negative voltage regulation.
Package
The L7905CD2T-TR is a negative voltage regulator from STMicroelectronics, commonly supplied in a D2PAK (TO-263) package. This package type is suitable for surface-mount technology (SMT), featuring a compact design for efficient thermal management, making it ideal for applications requiring reliable power regulation in limited spaces.
