TLV431BQDBZT

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Voltage reference are among the most versatile power management ICs (PMICs) available to electronic designers. The TLV431BQDBZT is a 3.2V shunt voltage reference with an adjustable output voltage that can be used for several applications.

Built with a small package, the TLV431BQDBZT features a wide range of operating temperatures from −40 °C to 125 °C, making it well-suited for applications that involve higher temperatures such as automotive, industrial and medical.

The TLV431BQDBZT also offers high accuracy with a very low temperature drift, a very low quiescent current, and low dropout operation, making it ideal for battery-operated systems.

The operating principle of the TLV431BQDBZT is based on the SC-MOSFET technology. The device utilizes a special power switch, which is connected in parallel to a series combination of a resistor and a capacitance divider, to provide the current path to the load.

The SC-MOSFET works by varying the resistance of the switch based on the voltage at the gate of the switch, which is adjusted by the output of the control voltage. This, in turn, controls the output voltage of the device, allowing the user to set the desired output voltage easily.

The TLV431BQDBZT has various application fields, such as power supply monitoring and stabilization, low dropout voltage regulation, and low-voltage reset circuits.

In power supply monitoring and stabilization it monitors the output voltage by comparing it to an adjustable reference voltage, and it can switch off the power supply if the output voltage is out of the reference range.

In low dropout (LDO) voltage regulation the device provides a regulated voltage, which is less susceptible to noise, compared to standard linear regulators.

In low-voltage reset circuits the device helps to prevent system restart in case of a power failure and provides a higher level of safety.

In addition to the above applications, the TLV431BQDBZT also features a fault detection circuit, a high frequency noise rejection, a wide operating temperature range, and low power consumption.

In summary, the TLV431BQDBZT is a versatile PMIC that can be used for a variety of applications. Its low quiescent current, adjustable output voltage, and high accuracy make it an ideal solution for many applications, especially those that require operation in higher temperatures.

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