XC6121A443MR-G

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PMIC - Supervisors are essentially devices that provide DC power to various circuits or components of a system, such as micro-controllers, memory and other integrated circuits. The XC6121A443MR-G is a Supervisors device in the market today. This article introduces the application field and working principle of the XC6121A443MR-G.

The XC6121A443MR-G is optimized for application in mobile consumer electronics, such as smart phones, digital camera, tablets, and even wearable electronic products. It provides reliable and accurate power supply, protects the integrated circuit in the system and ensures safe operation of the system. It is highly cost-effective and is operating at extremely low input voltage in the range of 1.6V to 3.6V.

In terms of performance, XC6121A443MR-G provides fast transient response and high accuracy of the output voltage. It also has a unique low power alarm feature that can reduce the power consumption by more than 95%. It is not only able to detect chips’ power-on reset, but also power-off reset. Besides, with its low power reset pin CMOS level control features, users can choose the timing of reset on power-on detection and power-off detect as long as the trigger voltage is lower than the detection voltage.

In terms of its working principle, XC6121A443MR-G uses low dropout linear regulator technology. It combines the output voltage adjustment and the power-on reset logic circuit together, in order to ensure precise voltage supply for the system. The output voltage is adjustable and can be user-defined. Also, it has an integrated RC circuit for power-on reset timing control. When the voltage at thesense pin reaches the detection voltage, it will be immediately detected and the power-on reset sequences would begin.

In terms of its protection functions, XC6121A443MR-G has over precise voltage detection, over temperature detection, over current detection and brown-out detection. It can also protect against reverse polarity, meaning that even if the3 pin is inserted in wrong direction, XC6121A443MR-G will still work correctly. More importantly, it supports input voltage reduction protection and will shut down the system if the input voltage is below the threshold.

To sum up, XC6121A443MR-G is an excellent choice for the application of providing reliable and accurate power supply to mobile electronic products. It combines low dropout linear regulator technology, power-on reset logic circuit and protection functions that ensures safe operating of the system. It has fast transient response and high accuracy of the output voltage and provides low power alarm feature that can save power consumption. It is highly cost-effective and provides users with adjustable output voltage.

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