ASM811JEUSF-T

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ASM811JEUSF-T application field and working principle

The ASM811JEUSF-T is a heavy-duty voltage supervisor IC that can be used for numerous applications including over-voltage, under-voltage and power-on reset (POR) functions. It is designed to provide reliable voltage monitoring with reset delay time and push-pull reset output that remain active during power-down.

The ASM811JEUSF-T is a monolithic device featuring two sets of power supply pins that can be used to drive a wide variety of logic functions. It includes an internal voltage reference and voltage comparator for reference voltage monitoring, as well as an on-chip voltage correction circuit. This device is capable of providing up to 500mA of drive current for additional circuitry.

Application Field

The ASM811JEUSF-T can be used in a wide range of applications including over-voltage, under-voltage, power-on reset and power supply monitoring. Its adjustable delay time is suitable for a variety of time-critical reset functions. It can be used to monitor the input DC power line to ensure that the system remains stable and performs within safe parameters.

The ASM811JEUSF-T can be used to provide extra protection for on-board or off-board electronics. It can also serve as a switch for controlling the power supply to various circuits, as well as a watchdog for monitoring system performance. The total current consumption of this device is less than 1mA.

Working Principle

The ASM811JEUSF-T has an internal reference voltage that is compared to an external monitored voltage to detect an over- or under-voltage condition. If the monitored voltage is outside the acceptable range, the ASM811JEUSF-T will generate an internal power-on reset signal that is passed to the output stage. The reset signal can be configured as either a low- or high-power push-pull output. In addition, the ASM811JEUSF-T has an adjustable reset delay time that allows the user to specify a delay time before reset is generated.

The ASM811JEUSF-T has an internal voltage correction circuitry that helps in generating a precise reference voltage. This reference voltage can then be further referenced to outside voltages to check if they are within specified limits. As the internal reference voltage is active during power down, the same voltage reference can be used for power-on reset.

The ASM811JEUSF-T is an ideal device for providing precise and reliable reset functions in a variety of circuits. Its wide variety of application regions, low power consumption and high-current capabilities make it a perfect choice for designers who need to accurately monitor voltages in their circuits.

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