( Brand: National Semiconductor ), ( Manufacturer Part Number: LM138K-MIL ), ( Part Type: Voltage Regulator )
The LM138K-Mil is a high-performance voltage regulator from National Semiconductor's LM series, specifically designed for use in 12-volt applications. This linear regulator offers a stable output voltage of 5V, making it an ideal choice for powering various electronic devices that require a regulated voltage supply.
The LM138K-Mil is a 7-pin DIP package (Dual In-line Package) regulator that is compact and easy to integrate into any circuit design. It features 6 independent adjustable voltage outputs, each with a maximum load current of 150mA, allowing for the regulation of multiple power supplies from a single 12V source.
This voltage regulator is designed with high-input and output overvoltage protection, ensuring the safety of connected components. It also has thermal shutdown functionality, which automatically turns off the regulator if its junction temperature exceeds the safe operating limit, preventing damage to the device.
The LM138K-Mil is built using high-quality materials and is designed to operate over a wide temperature range of -55 C to 125 C. It has a typical dropout voltage of 2.5V at no load and 1.2V at 1A load, ensuring a high efficiency and low power loss.
In conclusion, the LM138K-Mil is a versatile and reliable voltage regulator that is perfect for applications requiring multiple regulated voltage outputs from a 12V source. Its high current capacity, protection features, and wide operating temperature range make it a popular choice among electronic engineers and hobbyists alike.
Pros of buying LM138K voltage regulator from Mil-Spec Semiconductors:1. Reliability: Mil-Spec Semiconductors is known for providing high-quality components that meet or exceed military specifications, ensuring a long and reliable service life.
2. Wide operating voltage range: The LM138K voltage regulator can operate from 7.5V to 36V input voltage, making it suitable for a wide range of applications.
3. Wide output voltage range: The regulator can provide output voltage between 1.2V and 18V, which makes it flexible to use with various load types.
4. High power output: The LM138K can provide up to 1.5A of continuous output current, making it suitable for powering devices with higher power requirements.
5. Easy to use: The LM138K is a linear voltage regulator, which means it is easy to use and does not require any external components like capacitors or inductors.
Cons of buying LM138K voltage regulator from Mil-Spec Semiconductors:1. Cost: Mil-Spec Semiconductors' components may be more expensive than their commercial counterparts due to their higher quality and military specifications.
2. Availability: Mil-Spec Semiconductors' components may not be as widely available as commercial components, which could make sourcing more difficult.
3. Limited output current: While the LM138K can provide up to 1.5A of continuous output current, this may not be sufficient for applications requiring higher power output.
Conclusion:The LM138K voltage regulator from Mil-Spec Semiconductors is a reliable and versatile component that can provide a wide range of input and output voltage options. Its high power output and ease of use make it suitable for various applications. However, its higher cost and limited availability may be a concern for some users. If reliability and wide operating voltage range are important factors in your application, the LM138K from Mil-Spec Semiconductors could be a good choice.
Recommendation:If you require a voltage regulator that can provide a wide range of input and output voltage options, has a high power output, and is reliable, the LM138K voltage regulator from Mil-Spec Semiconductors could be a good choice. However, be prepared to pay a premium for its high quality and military specifications. If cost is a concern, consider other options that may meet your requirements at a lower price point.
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