The L7812CV is a voltage regulator integrated circuit (IC) from STMicroelectronics. It is designed to provide a stable 12V output voltage from a varying input voltage. It is part of the L78XX series of voltage regulators, which offer a wide range of output voltages from 3.3V to 15V.
Description:
- Output Voltage: 12V
- Input Voltage Range: 14.5V to 35V
- Output Current: Up to 1A
- Package: TO-220, TO-220-5, TO-252
- Dropout Voltage: Typically 2.5V
- Line Regulation: Typically 0.05%
- Load Regulation: Typically 0.1%
- Thermal Shutdown: Protects the IC from overheating by shutting down the output.
- Short Circuit Protection: Protects the IC from damage caused by short circuits.
- Overload Protection: Protects the IC from damage caused by excessive current draw.
Specifications:
The specific specifications of the L7812CV may vary depending on the manufacturer and the particular version of the IC. However, the above-mentioned parameters are generally common.
Applications:
- Power Supplies: Providing a stable 12V output voltage for various electronic devices.
- Audio Amplifiers: Regulating the power supply voltage for audio amplifiers.
- Laboratory Equipment: Powering laboratory equipment that requires a stable 12V supply.
- Industrial Control: Used in industrial control systems and automation equipment.
- Consumer Electronics: Found in a variety of consumer electronic devices, such as TVs, DVD players, and set-top boxes.
Key Features:
- High Output Current: Can provide up to 1A of output current.
- Low Dropout Voltage: Requires a minimal voltage drop between the input and output.
- Good Regulation: Maintains a stable output voltage over a wide range of input voltages and load currents.
- Protection Features: Includes thermal shutdown, short circuit protection, and overload protection.
- Versatile: Available in various package types to suit different applications.
By understanding the description and specifications of the L7812CV, you can select the appropriate voltage regulator for your specific application based on your requirements for output voltage, current, input voltage range, and other factors.
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