Overview
The L78S05CV is a linear voltage regulator produced by STMicroelectronics. This component is part of the L78S series, which is known for its reliability and performance in various electronic systems. The L78S05CV is specifically designed to provide a fixed output voltage of 5V with a maximum output current of 2A. It is packaged in a TO-220-3 format, making it suitable for through-hole mounting. This regulator is ideal for applications requiring stable voltage regulation and high current capability.
Key Specifications
| Parameter | Description | Min. | Max. | Unit | |
|---|---|---|---|---|---|
| Output Voltage (VO) | Fixed Output Voltage | 4.8 | 5 | 5.2 | V |
| Output Current (IO) | Maximum Output Current | - | - | 2 | A |
| Input Voltage (VI) | Operating Input Voltage Range | 8 | - | 35 | V |
| Line Regulation (ΔVO) | Voltage Change with Input Voltage | - | 50 | 100 | mV |
| Load Regulation (ΔVO) | Voltage Change with Load Current | - | 80 | 100 | mV |
| Quiescent Current (IQ) | Typical Quiescent Current | - | 8 | - | mA |
| Supply Voltage Rejection (SVR) | Ripple Rejection at 120 Hz | - | 54 | - | dB |
| Operating Temperature | Operating Temperature Range | 0 | - | 150 | °C |
| Package | Package Type | - | - | TO-220-3 | - |
Key Features
- Fixed Output Voltage: Provides a stable 5V output voltage.
- High Current Capability: Supports up to 2A of output current.
- Low Dropout Voltage: Ensures efficient voltage regulation with minimal voltage drop.
- High Ripple Rejection: Offers a supply voltage rejection of 54 dB at 120 Hz, ensuring clean output voltage.
- Protection Features: Includes overcurrent, overtemperature, and short-circuit protection to enhance reliability.
- Wide Operating Temperature Range: Operates from 0°C to 150°C, making it suitable for various environmental conditions.
- Through-Hole Mounting: Packaged in TO-220-3 format for easy integration into PCB designs.
Applications
- Power Supplies: Ideal for use in power supply units requiring stable and high-current output.
- Industrial Control Systems: Suitable for industrial automation and control systems where reliable voltage regulation is crucial.
- Consumer Electronics: Used in various consumer electronic devices such as audio equipment, medical devices, and other applications requiring stable DC voltage.
- Automotive Systems: Can be used in automotive systems where robust and reliable voltage regulation is necessary.
- Embedded Systems: Applicable in embedded systems that require a stable and efficient power supply.
Q & A
- What is the output voltage of the L78S05CV?
The output voltage of the L78S05CV is fixed at 5V.
- What is the maximum output current of the L78S05CV?
The maximum output current of the L78S05CV is 2A.
- What is the input voltage range for the L78S05CV?
The input voltage range for the L78S05CV is from 8V to 35V.
- What is the ripple rejection of the L78S05CV at 120 Hz?
The ripple rejection of the L78S05CV at 120 Hz is 54 dB.
- Does the L78S05CV have built-in protection features?
Yes, the L78S05CV includes overcurrent, overtemperature, and short-circuit protection features.
- What is the operating temperature range of the L78S05CV?
The operating temperature range of the L78S05CV is from 0°C to 150°C.
- In what package is the L78S05CV available?
The L78S05CV is available in the TO-220-3 package.
- Is the L78S05CV suitable for through-hole mounting?
Yes, the L78S05CV is suitable for through-hole mounting.
- What are some common applications of the L78S05CV?
The L78S05CV is commonly used in power supplies, industrial control systems, consumer electronics, automotive systems, and embedded systems.
- Is the L78S05CV RoHS compliant?
Yes, the L78S05CV is RoHS compliant.
