MN13811-G

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active High
Reset Timeout:	100 µs Typical
Voltage - Threshold:	2.4V
Operating Temperature:	-20°C ~ 70°C (TA)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package:	TO-92
Base Part Number:	MN138*

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Introduction:

The MN13811-G is a highly integrated, low power, and cost effective supervisor developed by NXP Semiconductors for use in a wide range of applications. It is a part of their Protective Solutions product line, providing devices such as reset ICs, voltage supervisors, and open-drain outputs. Its primary purpose is to monitor power supply activities and guarantee that an appropriate power supply is present before enabling other systems. Additionally, it provides internally generated reset signals to ensure device recovery from unexpected conditions. This article discusses the MN13811-G application field and working principle.

MN13811-G Application Field:

The MN13811-G is available in an 8-pin SOIC package and is specifically designed for use in mobile computing, including notebook and tablet PCs, smartphone and wearables, automotive, and industrial applications.In the mobile computing market, the supervisor can be used to protect sensitive systems from voltage transients, low voltage events, overvoltage conditions, and brown out events. In automotive applications, it can provide diagnostic reset or power on/off reset of ECUs, reducing system cost and power consumption. For industrial applications, it can be used to protect system against overvoltage conditions.

MN13811-G Working Principle:

The MN13811-G has a low supply current of 1.5µA at a device supply voltage of 0.7V and 5.5V. It also features a high noise immunity. It operates on a single supply voltage ranging from 0.7V to 5.5V and is compliant with the Output Voltage Select (OVS) standard. The supervisor provides signals and reset outputs when the power supply voltages drop below or above specified thresholds.The output signals from the MN13811-G can be used to control external devices, such as a system reset generator, which can be used to assert a reset signal. The supervisor also provides an open-drain output to reset peripherals or ICs. This output can be combined with other outputs to generate a debounced reset. The open-drain output is powered by the supervisor supply.The MN13811-G also provides an internal reset signal when the supply voltage drops below the reset threshold. This reset signal causes the system to reset and can be used to restart the system and clear any intermediate system states.In order to maximize accuracy, the MN13811-G offers adjustable set point thresholds, allowing users to set the thresholds according to their system requirements. The supervisor also offers an internal monitoring delay to prevent premature resets and programmable reset duration.

Conclusion:

The MN13811-G is a highly integrated, low power supervisor developed by NXP Semiconductors for use in a variety of applications. It is capable of protecting systems against voltage transients, low voltage events, overvoltage conditions, and brown out events. It offers adjustable set point thresholds, and internal monitoring and reset duration features to ensure accurate operation.

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