MAX6313UK36D3-T

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MAX6313UK36D3-T, within the PMIC (Power Management IC) – supervisors family, is a family of devices designed for supervisor and power-on reset applications. In this article, the application field and working principle will be discussed in detail.

The application field of MAX6313UK36D3-T revolves around low-voltage and cost-sensitive applications such as industrial equipment, medical systems, computer peripherals. This serves to highlight its affordability and small footprint, while keeping power consumption low. As such, using MAX6313UK36D3-T allows designers to balance cost effectiveness and efficiency.

The working principle of MAX6313UK36D3-T is simple, it typically controls system power-on and reset by monitoring, reporting and controlling the actual power up sequence and reset status of the system. MAX6313UK36D3-T harnesses three passives such as voltage supervisor, manual reset and programmable power-on reset.

The voltage supervisor is a comparison circuit, which monitors the voltage of the DC power sources to determine if power is present or whether it is below safe operating levels. The manual reset or "MR" is used to reset the device when user desires, and the programmable power-on reset delays the power up sequence for the time it takes for the power supply to stabilize.

The RESET pin is an open-drain or open-collector output comprising either an NPN bipolar transistor or NMOSFET with built-in pull-up source. Whenever the voltage at that pin drops below a certain amount, the device senses and sends a reset signal, which in turn requires an external pull-up resistor in order to pull the signal high.

The SET Delay Time (CDC), is the time required for the MAX6313UK36D3-T device to recognize when the input voltage is greater than the VDD supply threshold voltage plus the voltage drop across the comparator. This cd t delay parameter is primarily dependent on the internal capacitor used in the reference circuit, and the size of the RC discharge loop.

The internal timer circuitry inside the MAX6313UK36D3-T device is used to momentarily hold the RESET signal high when power is applied, thus allowing further time for the power supply to stabilize. This parameter is programmable and can be set from 0ms up to 62.5ms, making it ideal for applications where there is a large voltage has a sudden drop or fluctuation.

Finally, the range of power supply voltage for the MAX6313UK36D3-T device is 2.5V up to 16V. The input voltage is regulated using the internal bandgap reference, thus making the device more reliable over variations in temperature and voltage.

In conclusion, the MAX6313UK36D3-T device is an ideal choice for low-voltage and cost-sensitive applications. The above explained application field and working principle make the MAX6313UK36D3-T an attractive choice for the power management of embedded systems. It can be used to accurately monitor the voltage of the power sources and provide power up sequencing and reset for the system.

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