MAX792MESE+T

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Microchip MAX792MESE+T is a versatile and reliable power-on reset (POR) device for startup and battery reset in embedded systems. The MAX792MESE+T is an extended temperature version of the MAX792M, and is suitable for applications that require temperature stability and accuracy. The MAX792MESE+T offers excellent supply and output noise immunity, fast rising and falling edge reset characteristics, and excellent low voltage operation.

The MAX792MESE+T can be used to control the power-on sequence of an embedded system by monitoring the power supply rail and providing a reset signal when the supply voltage exceeds a user programmable threshold level. It can also be used to implement a comprehensive power-on reset algorithm to prevent system crashes due to spurious reset signals. The MAX792MESE+T is designed for low power operation, has an adjustable reset threshold voltage, and offers 1.6μA maximum operating current.

Application field of MAX792MESE+T:

• Automotive systems
• Battery-operated systems
• Communication systems
• Industrial control systems
• Power control in battery-backed systems
• Sequencing low power circuits
• System supervisors

Working principle of MAX792MESE+T:

The MAX792MESE+T consists of three main components - a reference voltage generator, a comparator and a reset output amplifier. The reference voltage generator has an adjustable output voltage, which sets the reset threshold voltage. When the supply voltage exceeds the reset threshold voltage, the comparator sends a signal to the reset output amplifier. The output amplifier then drives the reset output pin to provide a reset signal to the system.

The MAX792MESE+T has an additional shutdown pin that can be used to disable the reset output and reduce power consumption when the system is in standby mode. The MAX792MESE+T also has an optional delayed reset output, which allows the user to program a delay time before the reset output is activated.

The MAX792MESE+T also has an auto-zeroed reset output, which prevents spurious reset pulses due to noise or supply voltage transients. The reset output is also power-on resetable, allowing the user to reset the system when needed.

The MAX792MESE+T is designed for low power operation with a maximum operating current of 1.6μA. It has a wide operating temperature range of -40°C to +85°C, making it suitable for automotive, industrial, and high temperature applications.

The MAX792MESE+T has excellent power supply and output noise immunity and fast rising and falling edge reset characteristics for reliable system reset. It is suitable for a wide range of applications including system supervisors, power control in battery-backed systems, automotive systems, industrial control systems, communication systems, and battery-operated systems.

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