TL431BCPG

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The TL431BCPG is a type of Precision Programmable Voltage Reference from Texas Instruments. It is a three pin device with an internal temperature-compensated band-gap reference. It has an operating range of -40°C to +125°C and is housed in a TO-92 package. It is designed for use in a variety of applications including current reference and voltage reference applications. The device has a low power consumption of only 1.5 mA at 10 V and a low non-linearity of 0.2%. It can provide accurate voltage references with very low tolerances of ±1 mV over temperature and load changes.

The TL431BCPG can be used in a variety of applications as a voltage reference. Examples of these applications include current monitoring and control, voltage to frequency conversion, sequence control circuits, clock generator circuits, reference signals, precision voltage regulators, and analog to digital converters. The device is well suited for use in small portable and low power applications. The device also offers protection from input voltage transients due to its built-in ESD protection circuitry.

The TL431BCPG is an integrated circuit that is made up of several components. At the core of the device is a precision voltage reference circuit which is comprised of three main sections. The first section is the band-gap reference which is a high accuracy reference that is temperature compensated for stability over temperature. The second section is the regulator circuit which provides constant current from the input supply to the output. The third section is an output buffer which provides buffering to the output voltage.

The TL431BCPG is programmed with external resistors to provide the necessary operating voltages. An external resistor connected to the REF pin sets the reference voltage, while external resistors connected to the ADJ and OFF pins set the output voltage. An internal current source regulates the output voltage across the output pins. This type of configurable voltage reference device is useful for applications that require an adjustable voltage reference or current limit.

The TL431BCPG can be used as a current monitor in systems that require a known level of current or a system that requires an adjustable charging current limit. The REF pin of the device can be used to set the current limit while the ADJ and OFF pins can be used to adjust the current limit. The device can also be used as a voltage reference in applications such as digital-to-analog converters, analog-to-digital converters, and precision regulators. By connecting a voltage divider to the REF pin, the device can provide a stable reference voltage that is adjustable with the external resistors. It can also be used in power supply circuits to ensure that the output voltage remains within the specified tolerance. In this application, the reference voltage is connected to the feedback of the power supply, and the output voltage is adjusted using the external resistors.

The TL431BCPG is an excellent choice for applications that require precision voltage references or adjustable current limit applications. It has an operating range of -40°C to +125°C and offers low power consumption, low non-linearity, and excellent tolerance over temperature and load changes. It is a great choice for small and low power applications due to its small form factor, low power consumption, and adjustable current limit functionality. The device is suitable for applications that require a reference voltage adjustable with resistors, as well as applications that require an adjustable current limit. It is an excellent choice for precision voltage reference applications as well as current monitoring and control.

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