TLV431ACLPRE3

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TLV431A is a three-terminal adjustable precision shunt regulator, released by Texas Instruments, belonging to the PMIC – Voltage Reference category. It comes in 8-pin DIP and 8-lead SOIC packages and is widely used for applications such as monitoring, controlling voltage and temperature sensing.

The TLV431A regulates an adjustable reference voltage from 1.24V to 36V with a 3% accuracy over temperature. An important advantage of the device is that the output impedance is both very low and very stable, maintaining accuracy even with high load currents. The output impedance is maintained at less than 1.0 Ω for output voltages up to 4V.

The TLV431A has a wide range of applications. Its three terminals are labeled Vin (input voltage), Vref (adjusted voltage), and GND (ground). The device can be used in a variety of applications, ranging from power supplies and process control systems, to battery-powered solutions and temperature sensing applications.

The working principle of the TLV431A is based on a precision voltage reference that is integrated in the device. The reference voltage is set through an external pin, which is connected to a voltage-divider network. This network allows a series of resistors to be used to adjust the output voltage. The output voltage is then amplified and regulated to introduce a high degree of accuracy over varying temperatures.

The TLV431A can also be used as a sensing element. The device can sense temperature and pressure with high accuracy, allowing it to be used in temperature and pressure control applications. The device uses its output voltage to indicate temperature or pressure, and can be interfaced to a microcontroller for further control.

The device also includes an internal shutdown control pin, which enables the user to set a maximum output voltage. The device has a high degree of immunity to transient noise and EMI, allowing it to operate over a wide range of operating conditions.

The TLV431A is extremely efficient and reliable, making it well-suited for countless applications. Its three-terminal design and wide range of capabilities make it an ideal choice for a variety of precision voltage regulation, temperature and pressure sensing applications.

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