
( Brand: Stmicroelectronics / On-semi ), ( Manufacturer Part Number: LM317MDT-TR ), ( Model: SMD 1.2-37V ADJUSTABLE VOLTAGE REGULATOR DPAK T ), ( Part Type: Voltage Regulator ), ( Country/region Of Manufacture: Malaysia )
The LM317MDTRKG is a high-quality voltage regulator from STMicroelectronics, specifically the LM317MDT series, which is a well-known and widely-used product from ON Semiconductor. This particular part, the LM317MDTRKG, is a SMT (Surface Mount Technology) DPAK (Dual In-line Plastic Package) package, which makes it ideal for space-constrained applications.
The LM317MDTRKG is a 3-terminal adjustable linear voltage regulator that operates within the voltage range of 1.2V to 37V. It is based on the LM317, a popular and versatile voltage regulator IC, which is known for its wide operating voltage range, high power dissipation, and adjustable output voltage.
The LM317MDTRKG features a fixed 2.5V reference voltage and a current limiting feature, ensuring that the output voltage is stable and safe. It also has thermal protection, which helps to protect the regulator from overheating, ensuring a long and reliable life. The part is designed to operate over a wide temperature range, from -40 C to 125 C, making it suitable for a wide range of applications.
In summary, the LM317MDTRKG is a high-performance, adjustable linear voltage regulator from STMicroelectronics, based on the popular LM317 IC. It is ideal for space-constrained applications, offering a wide operating voltage range, adjustable output voltage, and various protection features. Its SMT DPAK package makes it easy to integrate into modern electronic designs.
The LM317MDTRKG, LM317MDT, LM317MDT-TR, and other variants of the LM317 voltage regulator from STMicroelectronics are widely used for voltage regulation in various electronics projects due to their high precision, stability, and wide operating voltage range. Here are some pros and cons of buying these voltage regulators:
Pros:1. Wide Operating Voltage Range: The LM317 regulators can operate from 1.2V to 37V, making them suitable for a wide range of voltage regulation applications.
2. High Precision and Stability: The regulators have a typical output voltage accuracy of 1% at room temperature, ensuring a stable voltage output.
3. Low Noise: The regulators have a low noise output, which is essential for applications that require high signal-to-noise ratio.
4. High Power Dissipation: The LM317 regulators can handle a high power dissipation, making them suitable for applications that require a high current.
5. Easy to Use: The regulators are easy to use and can be configured to provide a fixed voltage output, adjustable voltage output, or a current-limited output.
Cons:1. Lack of Built-in Overcurrent Protection: The regulators do not have built-in overcurrent protection, making it essential to add external protection circuits to prevent damage to the regulator and connected components.
2. Size and Cost: The SMT package of the LM317 regulators is smaller than the traditional TO-220 package, but it may be more expensive and require specialized equipment for soldering.
3. Heat Sink Requirement: The LM317 regulators can generate a significant amount of heat, especially when operating at high currents, requiring the use of a heat sink to dissipate the heat.
In conclusion, the LM317MDTRKG, LM317MDT, LM317MDT-TR, and other variants of the LM317 voltage regulator are excellent choices for voltage regulation applications that require high precision, stability, and a wide operating voltage range. However, it's essential to consider the cons, such as the lack of built-in overcurrent protection, size, and cost, and add appropriate protection circuits and cooling solutions to ensure the regulator's proper operation and longevity. I recommend considering the specific application requirements and selecting the appropriate package and protection circuits to meet the application's needs.
As different countries charge custom duty.