NCV303LSN47T1G

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PMIC - Supervisors encompasses a wide range of components. These components provide various functions, such as monitoring of the power system, reset control, and so on. The NCV303LSN47T1G is one of these components, and is an advanced supervisor device, produced by ON Semiconductor Corp. It is purposely designed for meeting the needs and demands of Low Voltage Supervisor applications.

The NCV303LSN47T1G acts as a Reset Signal Generator, it is able to monitor five separate power-supply rails. The monitored power supply rails range from 1.2V - 5.6V. The provided functionality range from voltage-supervision, reset-generating and power-on-reset generation too. It also provides an active-low reset output signal in the event of a voltage drop or any other fault conditions.

This device has a typical reset threshold accuracy of ±3% which allows for reset signals with a shorter pulse width and refined reset sequencing. In addition, it comes with an adjustable reset timeout period, which enables selectable reset times between 1ms and 32768ms.

The NCV303LSN47T1G is suitable for applications with precision voltage monitoring, and supervisor functionality. Typical applications can be within intelligent non-volatile storage systems, system power supply designs and building automation systems.

The working principle of the NCV303LSN47T1G can be divided into the following three sections:

Power-On Reset Generation:

The NCV303LSN47T1G has two separate channels for power-on reset generation. The first channel monitors the input supply voltage, and the second channel for monitoring the output supply voltage. When the output supply is below the set threshold, the NCV303LSN47T1G will output a reset pulse.

Voltage Supervision:

The NCV303LSN47T1G features three additional channels for voltage supervision. These channels can be set to generate a reset signal if the voltage on the input supply, output supply or power supply drops below the set threshold.

Fault Detection:

The NCV303LSN47T1G also has a fault detection functionality, which can be used to detect a wide range of fault conditions, such as over-voltage, under-voltage, open circuit and short-circuit. When a fault condition is detected, the NCV303LSN47T1G will output a reset signal.

In conclusion, the NCV303LSN47T1G is a highly advanced Supervisor device, which is able to monitor five separate power-supply rails, and generates reset signals in the event of a voltage drop or any other fault conditions. It is suitable for applications with precision voltage monitoring and supervisor functionality, such as intelligent non-volatile storage systems, system power supply designs and building automation systems.

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