NCP303LSN30T1G Integrated Circuits (ICs)

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The NCP303LSN30T1G belongs to a PMIC – Supervisors family, and is used to define and monitor the power supply of a system. With this device, engineers can control the voltage and adjustable parameters in the power supply with greater accuracy, allowing the microcontroller to avoid critical shutdowns and reset conditions that can lead to system failure.

NCP303LSN30T1G integrates a voltage detector circuit, a reset timer circuit and an output buffer circuit into a single chip. The voltage detector circuit monitors for a preset voltage or current range that defines an operating condition or fault, such as a brownout or an over voltage. This fault is typically detected at power up as well as during normal operation.

The reset timer circuit is designed to activate the reset signal in response to certain fault conditions, such as a brown out or overvoltage. The NCP303LSN30T1G is capable of generating both pulse-width and level-sensitive reset output.

The output buffer circuit is used to drive an active-low reset signal. This signal is used to reset the microcontroller or other circuitry as required. The output buffer is designed to provide an undistorted reset pulse with a relatively fast rise and fall times. This ensures that the microcontroller is reset properly before the system enters into a bad state.

NCP303LSN30T1G can be used in a variety of applications such as general purpose power management, distributed power systems, portable communications and consumer electronics. Its two operating modes: Active High or Active Low, make it suitable for both synchronous and asynchronous microcontrollers.

NCP303LSN30T1G is also well suited for microprocessor-based systems with shorter power-down times. Thanks to its low quiescent current consumption, the device requires minimal energy to operate. Lastly, it offers a wide supply range from 3.3V to 18V, further increasing its versatility.

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