S-1721A122J-I6T1U

The S-1721A122J-I6T1U is a linear voltage regulator from the PMIC (Power Management IC) category of the voltage regulators series. It is a low dropout linear regulator which is used for providing nominal voltages to the connected systems. This regulator from Pantronix allows the user to choose from an extensive list of output voltage levels ranging from 1.2V to 5.5 V for providing a required output voltage for their system.The S-1721A122J-I6T1U is a great choice for providing line regulation and low dropout. It provides very low noise ripples with steep input/output ratio. This regulator has a maximum load current capacity of 1.2A and a maximum dropout voltage of 0.15V. Its output voltage is temperature dependent.The S-1721A122J-I6T1U can be used in various applications such as battery-powered devices, cell phones, PDAs and other embedded systems. It can also be used in many home and industrial electronic products such as audio and video players, digital cameras, and others.The S-1721A122J-I6T1U has a wide input voltage range of 2.5 V to 18 V and a low quiescent current consumption of 15 μA. It is featured with on-chip protection against the over current and over temperature situations. The output voltage is also protected from a sudden surge in input voltage and from any glitches in the output.The S-1721A122J-I6T1U also has an additional feature of adjustment for changing the output voltage as per the application requirement. It is also featured with Power On/Off pin, Soft Start pin and output voltage trimming function.This regulator is available in various packages such as SOT-223, SOT-323 and SOT-353 packages and makes it easy to choose the one suitable for a particular application. This regulator has an operating temperature range of -40°C to 125°C.The working principle of this linear voltage regulator is very simple. It contains two voltage regulators - a reference voltage regulator, and a series pass transistor. The reference voltage regulator controls the output voltage, while the series pass transistor controls the current in the output circuit.When the input voltage is applied to the regulator, the reference voltage regulator senses this voltage and regulates it to the desired output voltage. The series pass transistor then adjusts the output current by limiting the available current in the output circuit.This regulator can also be used in buck or boost converters for providing a smooth output voltage without any spikes or drop in voltage. This helps maintain a steady voltage level required for the system.Overall, the S-1721A122J-I6T1U is an excellent choice for providing low dropout and low noise linear voltage regulation. It is an easy to use and cost effective solution for powering any application which requires a steady output voltage in the range of 1.2V to 5.5 V. It can be used in various applications such as cell phones, PDAs, audio and video players, and other embedded systems.