MAX6307UK25D3-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Multi-Voltage Supervisor
Number of Voltages Monitored:	2
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	140 ms Minimum
Voltage - Threshold:	2.5V, Adj
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	MAX6307

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Introduction

The MAX6307UK25D3-T is a low-power CMOS microcontroller supervisor which provides a reset signal during power-on and power-down. It is designed to monitor single and multiple supplies with the specified limits and execute reset accordingly. This supervisor provides a power-on reset (POR) signal for all supply ranges, as well as an output of active-high reset (RESET) for power-down supply ranges. With this, it allows reset and power-on sequences of different voltages to be synchronized together. This application field and working principle also holds true for the typical power management integrated circuits (PMIC) for which this type of supervisor is most suitable.

Application Field of MAX6307UK25D3-T

The MAX6307UK25D3-T application field can be divided into two parts: supervisory and power management. For supervisory applications, the MAX6307UK25D3-T is suitable for monitoring single or multiple supplies and providing reset accordingly. It can also provide an active-high reset signal during power-down supply ranges, thus allowing reset and power-on sequences of different voltages to be synchronized together. For power management applications, the MAX6307UK25D3-T is designed to provide a reliable supervision of linear and switch-mode power supplies (SMPS). Its low power consumption and its low propagation delay make it ideal for any kind of digital systems, including low-power systems or those which require frequent system restarts.

Working Principle

The MAX6307UK25D3-T uses a unique technology called active-regenerative Supervision (ARS). ARS is an active regulation system in which the MAX6307UK25D3-T monitors the voltage of its power source and actively regulates the input voltage to maintain connectivity. This ensures that the DRAM, CPU and other system components remain powered even when the input voltage drops below its specified range. The MAX6307UK25D3-T is also able to detect power-down conditions and generate an active-high reset signal during power-down ranges. This significantly reduces power consumption as well as ensure reliable reset functionality under abnormal conditions.

Advantages

The MAX6307UK25D3-T provides several advantages compared to other supervisor models. Firstly, its active-regenerative Supervision (ARS) technology allows it to monitor the voltage of its power source and actively regulate the input voltage to maintain connectivity. This ensures that the DRAM, CPU and other system components remain powered even when the input voltage drops below its specified range. Secondly, the MAX6307UK25D3-T is able to detect power-down conditions and generate an active-high reset signal during power-down ranges. This significantly reduces power consumption as well as ensures reliable reset. Finally, its low power consumption and its low propagation delay make it ideal for any kind of digital systems, including low-power systems or those which require frequent system restarts.

Conclusion

The MAX6307UK25D3-T is a low-power CMOS microcontroller supervisor which provides a reset signal during power-on and power-down. It is suitable for both supervisory and power management applications, and its active-regenerative Supervision (ARS) technology allows it to monitor the voltage of its power source and actively regulate the input voltage to maintain connectivity. The MAX6307UK25D3-T also provides power-down reset and low power consumption, and its low propagation delay makes it ideal for any kind of digital systems that require frequent system restarts.

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