MAX6453UT46S+

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The MAX6453UT46S+ is a power management integrated circuit (PMIC) designed to perform several power management functions. It is a single chip supervisor designed to provide an up to 6 volt power supply monitoring and reset functions to protect downstream applications such as microprocessors and digital logic circuits. It acts as a gatekeeper to monitor power and provide an appropriate reset signal when power supply droops below the specified operating threshold. The MAX6453UT46S+ features an adjustable delay time of up to 2 seconds before reset, thermal shutdown for over temperature protection, and power-on reset leak detection. It is ideal for microprocessor-based systems that need to be self-protected from power supply issues.The MAX6453UT46S+ is a single-chip supervisor that is designed to provide device protection, reset, power-on reset and optional delay for power-up sequencing. It is capable of monitoring an input voltage and outputting a signal when the voltage drops below a predetermined threshold. The signal acts as an alert indicating the power supply has been compromised and will trigger an immediate reset signal in the microprocessor or digital circuit to preserve system stability. The device also performs a power-on reset when VCC rises above the POR-VCC level, allowing the system to reset and begin its power-up routine.The MAX6453UT46S+ also features a programmable delay timer, allowing delay values between 0 and 2 seconds to be set. This is useful for power-up sequencing and to avoid system instability caused by multiple supply rails ramping up at once. The thermal shutdown feature provides protection against abnormal operating environmental conditions by triggering a complete system shutdown when junction temperature reaches above the specified limit. In addition, the device also senses leakage from the power-on reset to ensure power supply stability and reliability.The MAX6453UT46S+ is ideally suited for microprocessor based systems that need to protect themselves and their components from power supply problems. It provides a reliable and predictable reset response in the event of a power supply droop or interrupt, as well as temperature and power-on reset detection for longer life and stability. The device also offers a unique programmable delay for power-up sequencing, enabling synchronous ramp up of multiple rail voltages to improve system reliability. The MAX6453UT46S+ is the perfect supervisor for microprocessor based systems and is suitable for a wide range of applications such as telecom, industrial control, automotive, set-top-boxes, LCD, PCs and servers.

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