MAX6743XKSVD3+

Series:	--
Packaging:	Cut Strip
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	3
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	150 ms Minimum
Voltage - Threshold:	1.575V, 2.925V, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Supplier Device Package:	SC-70-5

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Introduction to MAX6743XKSVD3+

The MAX6743XKSVD3+ is a highly reliable and versatile PMIC supervisor with a wide range of applications. It is a simple device that provides a steady supply and accurate voltage regulation, designed to help protect electronic systems from power and voltage interruptions, fluctuations and outages.The MAX6743XKSVD3+ combines a robust set of features into a small and efficient package to satisfy the needs of various system designs. It has an active low reset output and highly reliable voltage detection circuitry. Furthermore, it has two internal voltage reference options, two integrated MOSFETs, and a power supply monitor.

Application Field of MAX6743XKSVD3+

The MAX6743XKSVD3+ is an ideal choice for many automotive, consumer, and industrial applications, such as mobile communications, wearables, and computer peripherals. It is also suitable for applications subject to power cycles, power-up delays, and long time-out periods.Some of the distinct application fields for MAX6743XKSVD3+ include battery-powered applications with long timeouts, long timeouts for cold start applications, long timeouts for micro-controller resets, equipment power up and reset for major systems, thermal protection for microprocessors and digital control systems, fault-tolerant power supplies, and predictive maintenance and diagnostics.

Working Principle of MAX6743XKSVD3+

The MAX6743XKSVD3+ monitors the system’s supply voltage and can generate a reset signal when the voltage drops below defined trip points. In normal operation, the reset signal will not be asserted until at least one of the trip points is crossed. The trip points are selectable and the reset signal can be generated based on the indicated supply voltage.The MAX6743XKSVD3+ features an active-low reset output signal, which is available in both open-drain and active-high/active-low output configurations as well. The reset output is reset-ooze protected and can remain asserted for a predetermined amount of time after the power supply voltage has gone below the trip point.The MAX6743XKSVD3+ also features two internal voltage reference options, one 0.8V and one 1.25V. This allows the MAX6743XKSVD3+ to provide accurate system voltage ramp undervoltage protection.

Conclusion

The MAX6743XKSVD3+ is a highly reliable, versatile PMIC supervisor with a wide range of applications. It combines a robust set of features into a small, efficient package to satisfy the needs of various system designs, from mobile communications and wearables to battery-powered and automotive applications. The MAX6743XKSVD3+ monitors the system’s supply voltage and can generate a reset signal when the voltage drops below defined trip points, and features two internal voltage reference options for accurate system voltage ramp undervoltage protection.

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