ADM691AARWZ-REEL

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The ADM691AARWZ-REEL is a part of the PMIC (Power Management ICs) Supervisors family. This IC provides a system-level monitoring of power supply faults and can also be used to reset microcontrollers and other integrated circuits when the voltage in the system goes outside the normal operating range.

The ADM691AARWZ-REEL is essentially a supervisor IC which can monitor and reset the system when the voltage supplied to it drops below a certain preset level. The device is available in a 5-pin SOT-23 (Small Outline Transistor) package and is primarily used for battery powered applications where monitoring of the power supply is important. The IC includes a reset timer circuit which starts when the reset input is received from the voltage monitoring sense pin or from a manual reset input. The reset timer intervals can be set using two external resistors.

The device is especially useful in battery operated systems such as in laptop computers, portable hard drives, cellular phones, digital cameras and PDAs. It is designed to monitor the power supply and reset the system whenever the voltage drops below a certain preset level to help protect the connected equipment. The ADM691AARWZ-REEL also has an enable input pin which is used to enable and disable the reset function. This pin is used to put the IC into a low power sleep mode in order to help conserve power.

The ADM691AARWZ-REEL also has an optional reset output pin which can be used to provide an active low or active high reset signal to the connected microcontroller or other IC. This output pin can be connected to the reset input of the microcontroller or other IC to provide an active low or active high level reset signal whenever the IC is triggered. This reset output pin can also be used to provide a heartbeat signal when the system is powered on, providing assurance to the microcontroller or other IC that the system power is stable.

The ADM691AARWZ-REEL is a very useful component in a variety of power monitoring applications. It provides reliable system-level monitoring of power supply faults and can be used to reset microcontrollers and other integrated circuits when the voltage outside the normal operating range. Its low power capabilities, five-pin SOT-23 package, and optional reset output pin make it an excellent choice for battery-powered applications where monitoring and resetting of the system is important.

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