Overview
The STMicroelectronics L7905CV is a negative voltage regulator from the L79 series, designed to provide a fixed output voltage of -5V. This linear voltage regulator is housed in a TO-220 package and is suitable for a wide range of applications requiring stable and regulated negative voltage. The L7905CV is known for its high current capability, low dropout voltage, and robust thermal performance, making it a reliable choice for various electronic systems.
Key Specifications
| Parameter | Description |
|---|---|
| Input Voltage (Max) | -35V |
| Output Voltage (Fixed) | -5V |
| Dropout Voltage (Max) | 1.4V |
| Output Current (Max) | 1.5A |
| Tolerance | ±4% |
| Operating Temperature Range | 0°C to 150°C |
| Quiescent Current | 3mA |
| No. of Outputs | Single |
| Output Noise | 100µV |
| Load Regulation | 100mV |
| Line Regulation | 100mV |
| Package Style | TO-220-3 (TO-220AB) |
| Mounting Method | Through Hole |
Key Features
- Fixed Output Voltage: Provides a stable -5V output voltage.
- High Current Capability: Supports up to 1.5A of output current.
- Low Dropout Voltage: Features a dropout voltage of 1.4V, ensuring efficient operation.
- Robust Thermal Performance: Operates within a temperature range of 0°C to 150°C.
- Low Quiescent Current: Consumes only 3mA of quiescent current.
- Low Output Noise: Offers an output noise of 100µV.
- Good Line and Load Regulation: Ensures stable output voltage with line and load changes.
Applications
- Power Supplies: Used in various power supply designs requiring negative voltage regulation.
- Industrial Control Systems: Suitable for industrial control systems that need stable negative voltages.
- Aerospace and Defense: Can be used in aerospace and defense applications due to its robust performance and reliability.
- Automotive Systems: Applicable in automotive systems that require regulated negative voltages.
- Telecommunications: Used in telecommunications equipment for stable power supply.
Q & A
- What is the output voltage of the L7905CV?
The output voltage of the L7905CV is -5V.
- What is the maximum input voltage for the L7905CV?
The maximum input voltage for the L7905CV is -35V.
- What is the maximum output current of the L7905CV?
The maximum output current of the L7905CV is 1.5A.
- What is the dropout voltage of the L7905CV?
The dropout voltage of the L7905CV is 1.4V.
- What is the operating temperature range of the L7905CV?
The operating temperature range of the L7905CV is 0°C to 150°C.
- What is the quiescent current of the L7905CV?
The quiescent current of the L7905CV is 3mA.
- What is the output noise of the L7905CV?
The output noise of the L7905CV is 100µV.
- What is the line regulation of the L7905CV?
The line regulation of the L7905CV is 100mV.
- What is the package style of the L7905CV?
The package style of the L7905CV is TO-220-3 (TO-220AB).
- How is the L7905CV mounted?
The L7905CV is mounted using the through-hole method.
