MAX6709JUB+

Series:	--
Packaging:	Tube
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	4
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	2.32V, 3.08V, Adj, Adj
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
Supplier Device Package:	10-uMAX
Base Part Number:	MAX6709

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Introduction to MAX6709JUB+

The MAX6709JUB+ is a level and event supervisory from Maxim Integrated. It is designed to work as an improved replacement for single-line supervisors with voltage droop and is intended to help power system designers to expand their applications in personal computer, instrumentation, and other embedded systems. The MAX6709JUB+ is a multifunction device that checks power supply levels and enables system reset and interrupts to help protect the system and is suitable for any application that needs to monitor voltage levels and reset appropriately when the voltage levels fall below specified safe levels.

Applications

The MAX6709JUB+ can be used in a variety of applications; as a power-on reset generator or a general-purpose reset controller and supervisor. It is suitable for use in numerous PC motherboard and power supply designs including a single-board computer, secondary power supply, video graphics card, and network card.Additionally, the MAX6709JUB+ can be used for low battery detection applications in various consumer electronics such as mobile phones and digital cameras. It also helps to protect digital equipment from voltage transients providing an additional layer of system reliability.

Features

The MAX6709JUB+ is a highly integrated device with many features that make it a suitable choice for integrated power system designs. Key features of the device include:• Normal operating supply voltage range: +1.5V to +5.5V with bus interface connectors• Programmable reset threshold voltage: 4.2V to 4.8V• Programmable reset duration; 10ms to 256ms• Operating junction temperature range: -55C to +125C• Overvoltage/undervoltage protection• Noise rejection filter• Low current consumption• ESD protection

Working Principle

The MAX6709JUB+ is based off an internal reference voltage and timing network to accurately verify system voltages. When the voltage is at a safe level the output of the MAX6709JUB+ is low. However, if the voltage drops below the programmed threshold, the device will automatically generate a reset pulse that can last from 10ms to 256ms.The device also features an internal overvoltage/undervoltage circuit to protect the system from unexpected voltage spikes/transients. If triggers are present, the device will enter into a reset state where it will remain until the voltage is normal again. Additionally, the MAX6709JUB+ uses a noise filter to make sure the voltage levels remain stable despite any noise present on the circuit.

Conclusion

The MAX6709JUB+ is an excellent choice for power-supply monitoring and reset generation in a variety of embedded applications. The device is capable of providing robust performance and system reliability while consuming low amounts of power. The device also helps to protect any system from unexpected voltage transients, ensuring that the system remains safe and orderly.

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