MAX6856UK16D3+

Series:	--
Packaging:	Cut Strip
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	150 ms Minimum
Voltage - Threshold:	1.575V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5

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Introduction

The MAX6856UK16D3+ is a supervisory circuit intended to monitor the supply voltage of digital systems. It has a wide range of application fields and can be used in a variety of different contexts. It is well-suited for embedded systems and can also be used as an external voltage supervision system. In this article, we will discuss the application field and working principle of MAX6856UK16D3+.

The Application Field of MAX6856UK16D3+

The MAX6856UK16D3+ is designed for use in a variety of different systems where monitoring of power supply voltages is critical. The supervisory circuit is capable of monitoring a single 2.5V to 5.5V supply voltage, and it is well-suited for embedded systems that require reliable power management and data integrity.The MAX6856UK16D3+ can be used as an external monitoring circuit for 3.3V and/or 5V supplies. It can also be used as a supervisor for 9V battery monitors and other linear power supplies. Additionally, it can act as a watchdog timer for embedded applications where the system needs to be watched while the system is performing its operations. The MAX6856UK16D3+ can also be used in places where monitoring is necessary but extra power management functions are not required. The supervisory circuit can be used to ensure proper voltage and provide a reset in the event of a sudden power loss.

Working Principle of MAX6856UK16D3+

The MAX6856UK16D3+ uses a voltage detection circuit to measure the voltage levels at its input pins. The voltage level is compared to the factory-set threshold voltage by an internal comparator. When the input voltage on the supply pin reaches the set threshold, an output is activated to provide a reset signal. The output is normally open-drain and can be connected directly to an external capacitor.The RESET signal is generated when the supply voltage drops below the set threshold level. The RESET signal is also activated when power is turned on after a power loss. The RESET signal can be used to reset the system or trigger other actions as required.The MAX6856UK16D3+ includes built-in hysteresis. This hysteresis prevents chattering of the output during the time it takes for the supply voltage to reach the set threshold level. The hysteresis is adjustable and the reset point can be set according to the needs of the application.

Conclusion

To conclude, the MAX6856UK16D3+ is a supervisory circuit which can be used in a variety of different contexts. It is capable of monitoring a single 2.5V to 5.5V supply voltage, and the RESET signal generated by the supervisory circuit can be used to reset the system or trigger other actions as required. Additionally, the MAX6856UK16D3+ includes built-in hysteresis to prevent chattering of the output during the time it takes for the supply voltage to reach the set threshold level, allowing for reliable and accurate operation of the system.

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