NATIONAL SEMICONDUCTOR LM317EMP Linear Votage Nos Regulators 1000 Ti
( Brand: National Semiconductor ), ( Manufacturer Part Number: LM317EMP ), ( Part Type: Linear Regulator )
Review NATIONAL SEMICONDUCTOR Linear Votage Ti Nos 1000 Qty Regulators Lot
The LM317EMP Linear Voltage Regulator from National Semiconductor is a versatile and widely used integrated circuit. This device is a three-terminal adjustable voltage regulator, specifically designed to deliver a stable, adjustable output voltage from a variable input voltage source.
The LM317EMP, a member of the LM317 family, offers a wide operating range. It can handle input voltages from 4.5V to 36V and can regulate output voltages from 1.2V to 37V. The "EMP" in its name stands for "Electrolytic Input/Output Protection", implying that it offers protection against electrolytic capacitor instability, making it suitable for various applications.
The LM317EMP features a simple yet effective adjustment mechanism. By setting the external pin 2 to any value between 0V and 1.2V, you can adjust the output voltage. This makes the regulator highly adjustable to meet specific voltage requirements.
This linear regulator is capable of delivering up to 1.5A of continuous output current. Its thermal protection feature ensures that the device operates safely within its temperature limits, preventing it from overheating. The LM317EMP also offers a high level of line and load regulation, ensuring a stable output voltage even under varying input and load conditions.
The LM317EMP is housed in a small, 8-pin DIP package, making it easy to integrate into various electronic circuits. It is a reliable and cost-effective solution for voltage regulation in a wide range of applications, including power supplies for electronic devices, battery charging circuits, and industrial control systems.
Pros of buying LM317EMP Linear Voltage Regulators:1. Wide Input Voltage Range: The LM317EMP can handle input voltages from 7.5V to 40V, making it a versatile choice for various power supply applications.
2. Adjustable Output Voltage: With a simple external adjustment, the output voltage can be set between 1.2V and 37V, allowing for precise voltage regulation.
3. Stable Output: The LM317EMP provides a stable output voltage, even under load changes, making it suitable for applications where a consistent output voltage is required.
4. Easy to Use: The LM317EMP is a three-terminal regulator, making it simple to implement in circuits.
5. Low Noise: This regulator has a low output noise level, which is beneficial in applications where noise sensitivity is a concern.
Cons of buying LM317EMP Linear Voltage Regulators:1. Heat Dissipation: The LM317EMP can generate heat under high load conditions, which may require additional heat sinks or cooling measures to maintain its performance.
2. Low Efficiency: The LM317EMP has a relatively low efficiency, which means a significant amount of input power is wasted as heat.
3. Lack of Protection Circuitry: The LM317EMP does not include built-in protection against over-voltage, over-current, or short-circuit conditions. Extra components may be required to add these protections.
4. Requires External Components: To function properly, the LM317EMP needs additional external components such as capacitors, resistors, and transistors, which can add to the overall cost and complexity of the circuit.
Conclusion:The LM317EMP linear voltage regulator is a versatile and widely-used component that offers adjustable output voltage, wide input voltage range, and stable output. However, its relatively low efficiency, heat dissipation issues, and lack of built-in protection may pose challenges in certain applications. If these disadvantages do not significantly impact your specific use case, the LM317EMP can be a cost-effective and reliable choice for voltage regulation.
Recommendation:If you are looking for a linear voltage regulator with a wider input voltage range and adjustable output voltage, the LM317EMP is a suitable option. However, consider the additional cost and complexity of external components, as well as the heat dissipation issues, to ensure it meets your specific application requirements. If efficiency or built-in protection is crucial, you may want to explore alternative solutions.
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part #: lm317emp price
- $77.05
specifications voltageregula:
- brand: National Semiconductor
- mpn: Lm317emp
- part type: Linear Regulator
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- Excellent seller and product 08-30-16
- A+ 08-30-16
- great. will shop again 09-04-16
- Great communication. A pleasure to do business with. 09-02-16
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- city: Stockton, California
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