NCP303LSN11T1G

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NCP303LSN11T1G is an important member of the Power Management Integrated Circuits (PMIC) group known as Supervisors. Supervisors are often used when powering device from unregulated power sources such as batteries. This PMIC is typically used in application such as industrial, radio frequency (RF) and distributed power systems. NCP303LSN11T1G is used for monitoring power supply stability and providing over-voltage, over-current and tracking voltage indications in harsh industrial environments. Hence, it provides effective protection for microprocessor and digital devices against damaging transient electrical conditions.

The supervisors allow communication when communicating with devices via Integrated System Bus (ISB) interface pins. A wide variety of I/O signals are supported such as voltage thresholds, current protection limits and trip points. The supervisor also provides programmable Under-Voltage Lockout or active low trip point and timing delays.

NCP303LSN11T1G is a monolithic IC which monitors many AC and DC power conditions depending upon configuration. Therefore, it can be used as a single-phase Supervisor or voltage tracker. It has advanced Thermal Protection Strategies to prevent device overheating. It also implements Brown-out Protection (BOP) feature enables the supervisor to protect against a sudden and complete loss of supply voltage. BOP detects a voltage drop level and changes to a lower level for longer and more frequent recovery so that the device is not damaged by the larger energy drain.

In terms of its main working principle, when AC or DC voltage rises above the overvoltage threshold, an OV signal gets triggered which disables the power device, protecting it from the higher voltage. If the same voltage dips below the undervoltage threshold, an UV signal gets triggered which in turn disables the power device. Similarly, an OC signal is triggered if the current draw exceeds the overcurrent threshold. All this mechanism helps to protect the device from any kind of damage due to electrical deficits.

Therefore, NCP303LSN11T1G is highly applicable in industrial, radio frequency and distributed power systems. It is designed to protect over-voltage, over-current and to track voltage stability while providing thermal protection against overheating and brown-out protection. It provides effective air safety from voltage deficits and current spikes helping your device from any kind of danger.

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