Overview
The L7805ACV-DG is a linear voltage regulator produced by STMicroelectronics. It is part of the L78 series of three-terminal positive regulators, which are available in various packages including TO-220, TO-220FP, D2PAK, and DPAK. This specific model is designed to provide a fixed output voltage of 5V with a maximum output current of 1.5A. The regulator is known for its robust features, including internal current limiting, thermal shutdown, and safe area protection, making it highly reliable and essentially indestructible if adequate heat sinking is provided.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | L7805ACV-DG |
| Output Voltage | 5V (Fixed) |
| Output Current | 1.5A |
| Input Voltage (Max) | 35V |
| Voltage Dropout (Max) | 2V @ 1A (Typ) |
| Line Regulation | 100 mV |
| Load Regulation | 50 mV |
| PSRR | 68dB (120Hz) |
| Quiescent Current (Max) | 6mA |
| Operating Temperature | 0°C ~ 125°C |
| Package | TO-220-3 |
| Mounting Type | Through Hole |
| Protection Features | Over Temperature, Short Circuit |
Key Features
- High Output Current: Capable of delivering up to 1.5A of output current.
- Fixed Output Voltage: Provides a stable 5V output voltage.
- Internal Protection: Includes internal current limiting, thermal shutdown, and safe area protection.
- Low Dropout Voltage: Maximum dropout voltage of 2V at 1A.
- High PSRR: Power Supply Rejection Ratio (PSRR) of 68dB at 120Hz.
- Wide Operating Temperature Range: Operates from 0°C to 125°C.
- Compact Package: Available in the TO-220-3 package, suitable for through-hole mounting.
Applications
The L7805ACV-DG is versatile and can be used in a wide range of applications, including:
- Local On-Card Regulation: Eliminates distribution problems associated with single point regulation.
- Power Supplies: Suitable for use in linear power supplies requiring a stable 5V output.
- Industrial Control Systems: Can be used in various industrial control systems where a reliable voltage regulator is necessary.
- Consumer Electronics: Applicable in consumer electronics that require a stable 5V power supply.
- Automotive Systems: Can be used in automotive systems due to its robust protection features and wide operating temperature range.
Q & A
- What is the output voltage of the L7805ACV-DG?
The output voltage of the L7805ACV-DG is 5V.
- What is the maximum output current of the L7805ACV-DG?
The maximum output current is 1.5A.
- What is the maximum input voltage for the L7805ACV-DG?
The maximum input voltage is 35V.
- What protection features does the L7805ACV-DG have?
The L7805ACV-DG includes over temperature protection, short circuit protection, and safe area protection.
- What is the operating temperature range of the L7805ACV-DG?
The operating temperature range is from 0°C to 125°C.
- In what package is the L7805ACV-DG available?
The L7805ACV-DG is available in the TO-220-3 package.
- What is the dropout voltage of the L7805ACV-DG at 1A?
The dropout voltage at 1A is typically 2V.
- What is the PSRR of the L7805ACV-DG at 120Hz?
The PSRR at 120Hz is 68dB.
- Can the L7805ACV-DG be used for adjustable voltage regulation?
Yes, the L7805ACV-DG can be used with external components to obtain adjustable voltage and currents.
- What are some common applications of the L7805ACV-DG?
Common applications include local on-card regulation, power supplies, industrial control systems, consumer electronics, and automotive systems.
