TL431ILPRE

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

TL431ILPRE is a type of voltage reference IC from PMIC (Power Management Integrated Circuit) family. It contains programmable feedback ratios of up to 8:1 and can be used for a wide range of common voltage designs as well as for complex multi-channel reference designs. The device is available in an industry-standard 5-pin SOT-23 package and is very easy to use and handle.

The basic working principle of the TL431ILPRE IC is the so-called “bandgap” principle. This is the way it generates an output voltage that is independent of temperature or input voltage shift (due to load or line fluctuations). In its simplest form, the bandgap voltage reference circuit consists of two transistors. The first transistor (known as the control transistor) is biased by a current source and its emitter base junction generates a known reference voltage. This reference voltage is then compared to a voltage at the base of the second transistor which is a specified level above the reference voltage level. The difference between them is the output voltage of the circuit.

TL431ILPRE is primarily used as a voltage reference for regulating voltage levels in various applications such as battery charging, battery management systems, DC/DC converters and switching power supplies. Additionally, it can also be used for level shifters, signal detectors, signal converters, voltage limiters and peak current limiters. The device is also suitable for use in space applications due to its low power consumption and temperature stability.

The high accuracy of the TL431ILPRE is the primary attribute which makes it suitable for precision-oriented applications. The tolerance of the output voltage is typically ±0.5%, although it can be as low as ±0.05%, depending on specific application requirements. The device also offers good temperature stability of typical 0.05%/°C. Other features of the device include low power consumption of typically 0.3uA, wide operating temperature range of -40 to 125°C and excellent immunity to transients.

The ease of use of the TL431ILPRE is also another important consideration. With the device being so small, it can fit into almost any design, making it a very useful component for a number of applications. The device also requires very few external components for operation, allowing for simplified and cost effective implementations. The TL431ILPRE is available in a wide range of package configurations, making it easy to find the desired configuration in most cases.

In conclusion, the TL431ILPRE is an excellent choice for a wide range of voltage references and level shifting applications. Its small size, low power consumption, high accuracy and temperature stability make it ideal for many applications. Thanks to its flexibility and ease of use, as well as its wide range of package configurations suitable for virtually any design, the TL431ILPRE has become a popular choice for a variety of applications.

The specific data is subject to PDF, and the above content is for reference