MAX6333UR20D3+T Integrated Circuits (ICs)

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The MAX6333UR20D3+T is an ultra-low power monitor and reset integrated circuit (IC). It belongs to the family of power management ICs and is used in many applications. This article will discuss the application field and working principle of the MAX6333UR20D3+T.

The MAX6333UR20D3+T is part of a family of ultra-low power supervisors that feature long-term battery back-up support, watchdogs timeout protection and reset generation. It offers power management, reset and/or watchdogs monitoring in a very small 6-pin SOT23 package. It is specifically designed to detect out-of-tolerance conditions in supplies and transients in product environments.

The application field of the MAX6333UR20D3+T is varied in scope and includes industries such as automotive, broadcasting and medical. In automotive applications, the MAX6333UR20D3+T is used for power supply monitoring, power on reset and for real time automotive applications. In broadcasting, it is used as a watchdog timer for digital signal processor (DSP) protection and for power on reset for equipment. In medical applications, it is used for microcontroller and analog front end protection, as well as for system power monitoring and reset.

The working principle of the MAX6333UR20D3+T is based on a wide-input operating voltage range of 1.8V to 5.5V, making it an ideal IC for use with 3V and 5V systems. It contains a voltage reference, precision comparator, supply supervisor, reset generator and output driver circuitry, integrated into a single package. The MAX6333UR20D3+T operates with a very low operating current of 100nA, consuming several times lesser than comparable ICs. It has a low standby current of 1µA and a wide threshold accuracy of ±1.5%.

The MAX6333UR20D3+T features a watchdog timer which can be adjusted with an external resistor for different time-out period lengths. It also features two reset outputs (MR and MRB), which can both be used to reset an application when faults are detected. The pinned Reset Assertion Period (RAP), Pre-assert delay (PD) and Post-assert delay (PB) are programmable by connecting external capacitors to the corresponding pins. The MAX6333UR20D3+T is also dual-voltage compatible, meaning that it can be used for applications powered by both 3V and 5V supplies.

The MAX6333UR20D3+T is a high-performance ultra-low power management IC (PMIC) that can be used in a wide range of applications. It offers excellent performance in a small package and is highly reliable and cost-effective. It is an ideal solution for applications that require power management, reset and/or watchdogs monitoring.

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