National Semiconductor LM2940CT-5.0 Linear Voltage Regulator IC
The LM2940CT-5.0 is a high-performance linear voltage regulator designed to provide a stable 5V output with a current capacity of up to 1A. Packaged in a TO-220-3 case, this regulator is ideal for applications requiring reliable and efficient power management.
Key Features
- Low Dropout Voltage: Typically 0.5V at 1A, ensuring efficient operation even with minimal voltage differential between input and output.
- High Power Supply Rejection Ratio (PSRR): 72dB at 120Hz, effectively minimizing input voltage variations.
- Comprehensive Protection Mechanisms: Includes over-temperature, reverse polarity, and short-circuit protection to enhance system reliability.
- Wide Input Voltage Range: Operates effectively with input voltages from 6V to 26V, offering flexibility across various applications.
- Low Quiescent Current: Consumes only 15mA, making it suitable for energy-sensitive designs.
Applications
The LM2940CT-5.0 is well-suited for a variety of applications, including:
- Consumer electronics
- Automotive systems
- Industrial control systems
- Embedded systems
- Portable devices
Package Details
This product is available in bulk packaging, with each box containing 300 units of the LM2940CT-5.0 voltage regulator ICs. The TO-220-3 package facilitates easy mounting and efficient heat dissipation, ensuring optimal performance in diverse operating conditions.
For detailed technical specifications and application guidelines, please refer to the manufacturer’s datasheet.































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