Overview
The L7905ACV is a three-terminal negative voltage regulator produced by STMicroelectronics. This component is part of the L79 series, designed to provide local on-card regulation, thereby eliminating the distribution problems associated with single-point regulation. It is available in various packages, including TO-220, TO-220FP, and D2PAK, making it versatile for different application needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | -5 | V |
| Output Current | 1.5 | A |
| Input Voltage Range | -10 to -35 | V |
| Dropout Voltage | 2 | V |
| Line Regulation | 0.01 | %/V |
| Load Regulation | 0.01 | %/mA |
| Operating Temperature Range | -40 to 125 | °C |
| Package Types | TO-220, TO-220FP, D2PAK |
Key Features
The L7905ACV features a fixed negative output voltage of -5V, making it suitable for applications requiring stable negative voltage regulation. Key features include:
- High Current Capability: Up to 1.5A output current, making it suitable for high-load applications.
- Low Dropout Voltage: A dropout voltage of 2V ensures efficient regulation even at low input voltages.
- Good Line and Load Regulation: Line and load regulation of 0.01%/V and 0.01%/mA, respectively, ensuring stable output voltage under varying conditions.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it reliable in diverse environmental conditions.
- Versatile Packaging: Available in TO-220, TO-220FP, and D2PAK packages to fit different design requirements.
Applications
The L7905ACV is useful in a wide range of applications where stable negative voltage regulation is required. Some common applications include:
- Power Supplies: For providing stable negative voltages in power supply units.
- Industrial Control Systems: In systems that require reliable negative voltage regulation.
- Automotive Systems: For applications in automotive electronics that need stable negative voltages.
- Telecommunications Equipment: To ensure stable operation in telecommunications devices.
- Consumer Electronics: In various consumer electronic devices requiring negative voltage regulation.
Q & A
- What is the output voltage of the L7905ACV?
The output voltage of the L7905ACV is -5V.
- What is the maximum output current of the L7905ACV?
The maximum output current of the L7905ACV is 1.5A.
- What are the available package types for the L7905ACV?
The L7905ACV is available in TO-220, TO-220FP, and D2PAK packages.
- What is the operating temperature range of the L7905ACV?
The operating temperature range of the L7905ACV is from -40°C to 125°C.
- What is the dropout voltage of the L7905ACV?
The dropout voltage of the L7905ACV is 2V.
- What are some common applications of the L7905ACV?
The L7905ACV is commonly used in power supplies, industrial control systems, automotive systems, telecommunications equipment, and consumer electronics.
- How does the L7905ACV improve voltage regulation?
The L7905ACV improves voltage regulation by providing local on-card regulation, thus eliminating distribution problems associated with single-point regulation.
- What is the line regulation of the L7905ACV?
The line regulation of the L7905ACV is 0.01%/V.
- What is the load regulation of the L7905ACV?
The load regulation of the L7905ACV is 0.01%/mA.
- Where can I find detailed specifications for the L7905ACV?
Detailed specifications for the L7905ACV can be found in the datasheet available on the STMicroelectronics website or through distributors like Digi-Key and Avnet.
