LM320K-12 National Semiconductor 3 Terminal Negative Regulator TO-3

The LM320K-12 is a robust three-terminal negative voltage regulator manufactured by National Semiconductor, designed to provide a stable -12V output. Encased in a rugged TO-3 package, this regulator is built for applications requiring reliable power delivery in harsh environments. Its primary function is to maintain a constant negative 12-volt output voltage, even when subjected to variations in input voltage or load current. This makes it an essential component in systems where a stable negative voltage supply is critical for proper operation. The TO-3 package provides excellent thermal conductivity, allowing for efficient heat dissipation and ensuring long-term reliability.

This negative voltage regulator is particularly well-suited for applications in industrial equipment, power supplies, and other systems requiring a stable negative voltage source. The LM320K-12 features built-in short-circuit protection, thermal overload protection, and safe-area compensation, enhancing its robustness and preventing damage from common fault conditions. These protection features ensure that the regulator can withstand demanding operating conditions and provide reliable performance over an extended lifespan. The three-terminal design simplifies integration into existing circuits, reducing design complexity and minimizing the need for external components.

The LM320K-12 offers several advantages over discrete voltage regulation solutions. Its integrated design reduces the component count, simplifies circuit layout, and improves overall system reliability. The built-in protection features eliminate the need for external protection circuitry, further reducing the bill of materials and simplifying the design process. The TO-3 package provides excellent mechanical strength and thermal performance, making it suitable for high-power applications. Its ease of use and robust design make it a popular choice among engineers and technicians.

From a technical perspective, the LM320K-12 has an input voltage range of -14.5V to -30V and can deliver an output current of up to 1.5A. Its line regulation is typically 0.04% per volt, and its load regulation is typically 0.3%. These specifications ensure that the output voltage remains stable even under significant variations in input voltage or load current. The regulator also features a low output impedance, which minimizes voltage drops under heavy load conditions. The LM320K-12 is designed to operate over a wide temperature range, making it suitable for use in a variety of environments.

In conclusion, the LM320K-12 negative voltage regulator is a reliable and robust component that provides a stable -12V output for a wide range of applications. Its built-in protection features, ease of use, and rugged TO-3 package make it an ideal choice for industrial equipment, power supplies, and other systems requiring a stable negative voltage source. Whether you're designing a new power supply or upgrading an existing system, the LM320K-12 can help you achieve your design goals quickly and efficiently. Don't wait any longer to ensure the stability of your negative voltage supply. Order your LM320K-12 regulators today and experience the peace of mind that comes with reliable power delivery!