LM431AIM/NOPB

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The LM431AIM/NOPB is an outstanding monolithic programmable shunt regulator developed by Texas Instruments, offering application flexibility and high precision. Available in SO-8 and DIP8 packages, it is part of a large family of voltage references, also known as precision current sources. It is widely used in various applications such as digital systems, lab equipment, power supplies, lighting equipment, and more.What makes the LM431AIM/NOPB so versatile and useful is its programmable shunt regulator feature. It is designed to ensure that a highly regulated voltage is maintained over the entire activity of input voltage variation. This voltage is maintained regardless of temperature, current or line voltage fluctuation. The voltage reference that it provides is extremely accurate, making it perfect for many applications. The LM431AIM/NOPB also features two integrated voltage comparators, further increasing its capability.The LM431AIM/NOPB has a wide range of features including high accuracy, low power consumption, and a wide operating range of -15V to +30V. It comes with several different programmable options that allow it to be adapted for many different applications. This includes a digital interlock for power-up automatic adjustments and full protection against over-voltage and over-temperature operation. The voltage reference can be adjusted between 1.2V and 6.5V, with a 0.01V resolution. In terms of its operation, the LM431AIM/NOPB works by rectifying the AC voltage from the power source, then converting it to a DC voltage at the output voltage. A precision resistor is used to set the adjustable output voltage, with a range of 0.4V to 6.5V. This makes it possible to set the output voltage to the desired level, depending on the application. The device also features an output transistor, which is used to control the output current. This ensures that even if the input voltage changes, the output voltage is kept stable.Due to its many advantages, the LM431AIM/NOPB is widely used in a variety of industrial applications, from power supplies and lab equipment to lighting and digital systems. As a shunt regulator, it has earned its place as one of the top voltage references for industrial applications. It is able to provide consistent and accurate voltage over varying temperatures, input voltages and current, making it a perfect choice for any precision voltage measurement.

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