MAX6708MKA+T Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Push-Pull, Push-Pull
Reset:	Active High/Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	4.38V, Adj
Operating Temperature:	-40°C ~ 125°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOT-23-8
Supplier Device Package:	SOT-23-8
Base Part Number:	MAX6708

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Introduction

MAX6708MKA+T is a highly integrated system power supervisor. It is designed to monitor the power supply shutdown voltage threshold levels of an embedded system. Moreover, it provides two file reset assertion voltage thresholds, system reset, and monitoring of power supply sequence. It is the ideal choice for performance-oriented microprocessor applications such as STB, consumer electronics, automotive, and industrial control systems.

Applications

The MAX6708MKA+T is widely used in portable consumer electronics devices, such as handheld games, digital cameras and mobile phones. In these applications, it is a critical component that monitors the amount of power available in the device. If there is an over-voltage or under-voltage condition, then the MAX6708MKA+T will assert reset to protect the device. Additionally, the MAX6708MKA+T can be used to monitor the power-on sequence order in order to ensure correct system operation.The MAX6708MKA+T is also used in embedded system designs and advanced industrial systems. In embedded designs, it can be used to supervise secondary power supply rails that are critical for system operation, including in applications such as STBs, automotive, and industrial systems. In advanced industrial systems, it can be used to monitor input power levels, providing an additional layer of safety for critical components.

Working Principle

The MAX6708MKA+T operates on the principle of comparing its power supply input voltages to two internal references-a low voltage threshold and a high voltage threshold. When the voltage level drops below the low threshold level, the MAX6708 will quickly assert the reset signal. When the voltage level rises above the high threshold, the chip will also assert reset.The MAX6708MKA+T also features advanced monitoring and reset sequencing capabilities. It implements an open drain output that can be connected to an external MOSFET, enabling power sequencing and reset sequencing features. Additionally, it provides monitoring of input and output voltages, output current, and power sequence order.

Conclusion

The MAX6708MKA+T is an ideal solution for system supervision in STB, consumer electronics, automotive and industrial applications. It makes power supply monitoring and reset sequencing simpler and more reliable. It also ensures that system components are protected from over-voltage and under-voltage conditions, as well as from incorrect power supply sequence order.

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