TL431AQDBVRQ1 Integrated Circuits (ICs)

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PMIC (power management ICs) refer to integrated circuits that manage all sorts of electrical components in electronic systems. Voltage reference is a kind of PMIC, providing a stable reference voltage for circuits. TL431AQDBVRQ1 can be classified as a voltage reference, and it is widely used in many electrical systems.

TL431AQDBVRQ1 is a programmable shunt regulator diode specially designed for precision low-power applications. It features a 2 V reference voltage, a low power consumption, a wide operating temperature range, and an adjustable voltage output. It is also designed to eliminate noise, reduce power consumption and provide extra protection against external influences.

In terms of its application field, TL431AQDBVRQ1 is widely used in various power management tasks. It can be used as a voltage reference to provide precise voltage limits in linear or switching power supplies, motor drive circuits, and microprocessor based systems. It can also be used to control voltages in linear regulators, voltage buffers, and other low-noise circuits.

When it comes to the working principle of TL431AQDBVRQ1, it follows the general concept of feedback control. The device contains an internally programmed voltage reference. It is then compared with an external voltage and the comparison result is used to adjust the output voltage. A closed-loop system is formed between the external voltage source and the output, to ensure the output voltage is stable over a large range of changes in the external voltage.

The TL431AQDBVRQ1 has two terminals. The reference (labelled REF) is where the reference voltage is applied, and the input (labelled ADJ) is the voltage used to adjust the output voltage. When applying a voltage to the input (ADJ) section, the output voltage will change in response. The output voltage can be adjusted within a range of 1.25 V to 37 V, depending on the reference voltage.

TL431AQDBVRQ1 follows the feedback-control concept, using a reference voltage to adjust the output voltage in order to maintain the stability of the output. It is a high-precision and low-power voltage reference. It measures 2 V in reference voltage and has a wide operating temperature range, making it suitable for various applications, such as precision power supplies, motor drive circuits, and microprocessor based systems.

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