The TLV431BSN1T1G is an adjustable shunt voltage regulator manufactured by ON Semiconductor. It features an output voltage range of 1.24-16V and an adjustable current range of 1-100mA. The device utilizes a N-channel enhancement mode power MOSFET as the output device for precise current regulation. The output voltage can be adjusted by varying the control voltage applied to its control pin between 0.3V and 16V. It is optimized to operate with a wide range of power supply voltages from 3V to 16V, making it suitable for use in various applications. The device also features low current consumption and low output power dissipation, making it an ideal choice for applications requiring very low power consumption.