NCP6131NS52MNR2G

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NCP6131NS52MNR2G is a high-voltage FET-type regulator integrated circuit designed to provide a single output voltage bias rail for 1A of continuous load current. It offers some excellent features such as wide input operating temperature range, high efficiency and low quiescent current. NCP6131NS52MNR2G will be a great choice for applications ranging from low voltage DC/DC conversion to high voltage LED lighting. By controlling the feedback pin VFB, the output voltage of the device can be customized to its specified accuracy of +/-10mV over line and load conditions.

Application Fields

NCP6131NS52MNR2G is a perfect choice for high voltage DC/DC conversion applications such as LED lighting, telecommunication, servers and industrial equipment. This device is also suitable for automotive and medical lighting applications in which the single output voltage is needed for LEDs bias. The wide input voltage range operating between 4.75V to 42V also allows this regulator to be used with popular industrial voltage levels.

The low quiescent current of the regulator helps to reduce total system power requirement and energy usage. NCP6131NS52MNR2G can operate from a wide range of temperatures from -40°C to 125°C, while still providing the rated current so the device works perfectly with most consumer and industrial grade applications. Additionally, the voltage drop-out feature of this regulator helps the device to remain in regulation even at light load conditions, which makes it adaptable for power savings.

Working Principle

NCP6131NS52MNR2G is a voltage regulator integrated circuit which relies on a FET for voltage regulation. It uses an internal charge pump to generate a high side gate drive voltage for the switching FET. To keep the output voltage stable, the device operates in a voltage mode. A feedback pin is present to close the loop between the output voltage and the regulation loading. The output voltage reference is given to the device internally so the connected load to the output will be regulated to accuracy within +/-10mV.

To monitor device temperature a thermal shut down is included in the IC. When the die temperature rises above the device\'s thermal limit, the thermal protection shuts down the IC and the output voltage will go to zero. After few milliseconds the IC will reset itself when the die temperature reaches below the thermal limit.

In addition to the wide operating temperature range and low quiescent current, NCP6131NS52MNR2G includes some extra features such as soft start and output over voltage protection. Soft start prevents the output voltage from going to a high value during the first power-up stage. The output over voltage protection limits the voltage delivered to the load when the input voltage is too high to prevent damage to the connected devices.

NCP6131NS52MNR2G is one of the best integrated circuits for high voltage DC/DC conversion applications. It offers a wide input operational range, high efficiency and low quiescent current while providing the required output voltage accuracy of +/-10mV over line and load conditions. Therefore, it is highly recommended for LED lighting, automotive and medical lighting applications where a single output voltage is needed.

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