ADM805LARNZ-REEL

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ADM805LARNZ-REEL is an integrated positive voltage supervisor for uninterrupted power supply base embedded applications. It is developed and manufactured by Analog Devices, Inc., a high-performance analog and mixed-signal semiconductor technology company for applications requiring small form factors and superior power efficiency. Its small size, low power consumption and superior reliability makes it well suited for applications such as automated temperature control, process control, robotics and other industrial applications.

ADM805LARNZ-REEL is classified as a Power Management Integrated Circuit (PMIC) – Supervisors. PMICs are circuits consisting of multiple power management related components integrated into a single package. A supervisor is an integrated circuit designed to detect a power supply’s fault conditions and respond accordingly by supplying an output signal.

ADM805LARNZ-REEL operates at a supply voltage of 2.7V to 5.3V with a standby current of 1 μA and a power-on reset delay of 3.5μs. It has a reset active-low output and an active-high manual reset input. It provides logic level output for power fail indication that can be used as a system interrupt for microprocessors/microcontrollers.

The ADM805LARNZ-REEL can be used in both linear and switch mode power supplies. In a linear power supply, the ADM805LARNZ-REEL monitors the output voltage of the voltage regulator, and if the output drops too low, it will override the regulator and reset it. In a switch mode power supply, the ADM805LARNZ-REEL monitors the input voltage, and if it drops too low, it will reset the power supply.

The working principle of the ADM805LARNZ-REEL involves the generation of a delayed reset output when the monitored power supply voltage drops below the device’s reset threshold. This reset output remains active until the power supply voltage recovers to an acceptable level.

The ADM805LARNZ-REEL is designed to be used in a variety of applications including voltage regulators, system power supplies, dynamic (correction or protection) circuits, hardware based input protection, automatic temperature control, and process control.

The ADM805LARNZ-REEL takes a unique approach to power monitoring, as it is designed to remain active even when the power supply drops below the minimum reset threshold. This is beneficial for applications where the system needs to remain active until the power supply is restored, such as in applications requiring high accuracy. It also allows for more accurate and reliable power management.

ADM805LARNZ-REEL is a highly reliable and efficient solution for applications requiring accurate power monitoring, reset generation and protection from voltage fault conditions. It provides robust protection from undervoltage and overvoltage situations by resetting the power supply and preventing it from restarting until the voltage is restored to an acceptable level. Its small size, low power consumption and superior reliability make it an ideal solution for a wide variety of applications.

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