ADM1812-5AKS-REEL

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active High
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	4.62V
Operating Temperature:	-40°C ~ 105°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-70, SOT-323
Supplier Device Package:	SC-70-3
Base Part Number:	ADM1812

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Introduction

PMIC - Supervisors are devices designed to monitor system performance and provide protection against electrical faults, such as over voltage, over current and under voltage. The ADM1812-5AKS-REEL is a high precision supervisor manufactured by Analog Devices, Inc. This product is commonly used to monitor and protect circuits in multiple applications.

Application Field of ADM1812-5AKS-REEL

The ADM1812-5AKS-REEL is a supervisor IC designed for a wide range of applications, including PCs, servers, telecommunications, embedded and industrial systems. The product is designed to protect systems from over-voltage, under-voltage and over-current. It has a number of features such as a 5A MOSFET, active anti-noise filtering, an adjustable reset and open-drain detection output. With the integrated MOSFET and voltage regulator, the ADM1812-5AKS-REEL is an all-in-one protection solution for monitoring and protecting circuits and systems from electrical faults.

Working Principle of ADM1812-5AKS-REEL

The ADM1812-5AKS-REEL incorporates a high-accuracy comparator, a voltage regulator, and a 5A bench power MOSFET. The integrated circuit (IC) uses this combination of components to monitor, detect and react to system faults.The working principle of the ADM1812-5AKS-REEL is simple. First, the comparator monitors the system voltage and sets thresholds for over or under voltage. If either of these thresholds is crossed, the comparator then triggers the voltage regulator and the MOSFET. The voltage regulator then adjusts the applied voltage to the appropriate levels according to preset thresholds. The MOSFET then functions as a switch and can be used to apply a direct current (DC) voltage from an external source to the system.The ADM1812-5AKS-REEL also has a monitor output pin called a reset. This pin monitors the stability of the system and triggers an active anti-noise filtering when triggered. Similarly, if a system fault is detected, the open-drain detection output pin is triggered and sets the system reset condition. This enables the system to return to its normal state.

Conclusion

The ADM1812-5AKS-REEL is a high-precision supervisor IC that is used in a wide range of applications, such as PCs, servers, telecommunications and embedded systems. The product’s working principle is based on three integrated components, namely a comparator, a voltage regulator and a 5A bench power MOSFET. When triggered, these components will monitor, detect and react to system faults, ensuring system stability and protection.

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