ADM811LARTZ-REEL7

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PMICs, or power management integrated circuits, are devices used to control the power in a variety of electronics. Supervisors are a type of PMIC in which multiple supplies are monitored and regulated, providing protection against multiple faults, including over current, over voltage, and under voltage. The ADM811LARTZ-REEL7 is a supervisor IC from Texas Instruments that provides protection for circuits using both linear and switch-mode power supplies.

The ADM811LARTZ-REEL7 is a low-cost, 3V supervisor IC with very low quiescent current and wide power supply range. It has two inputs: one for monitoring a positive voltage rail and one for monitoring a negative voltage rail. It also provides two outputs: an active-low reset and a manual reset. The reset output is low while both input voltages are within a valid operating range and is driven high when one of the inputs is outside its valid limits.

The ADM811LARTZ-REEL7 supervisor IC is designed to be used in a variety of applications, including automotive, consumer, industrial, and medical. It can be used as a reset source for microcontrollers, as a reset source for digital logic controllers and processors, as a system reset source or supervisors for voltage regulators, as a supply voltage monitor for data converters and memories, as a supply voltage monitor for DSPs and FPGAs, as a supply voltage monitor for telecommunication systems and power supplies, and more.

The ADM811LARTZ-REEL7 has a high precision voltage monitoring and reset circuit, which can detect small changes in the input voltage, allowing for quick and accurate detection of fault conditions. It also features millisecond delay for reset during power up, circuit fault detection, and high surge capability.

The working principle of the ADM811LARTZ-REEL7 is based on a reference voltage which is compared to the monitored voltage. When the monitored voltage drops below or rises above the reference voltage, the reset output is driven high, indicating that a fault condition has occurred. The reference voltage is adjustable, allowing the device to be tailored to the application requirements.

The ADM811LARTZ-REEL7 is an ideal choice for systems that need reliable monitoring and protection of multiple power supplies. Its precise voltage detection circuit, high surge capability, and low power consumption make it a great choice for a variety of applications.

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