NCP1012ST130T3G

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NCN1012ST130T3G is a two-stage ac/dc converter, offline switcher, and PMIC (power management integrated circuit) that can be used in various applications ranging from consumer, automotive, and communications markets to industrial and medical markets. It features a wide input voltage range of up to 36 volts, up to 95% efficiency, and up to 90 watts of output power.

The NCN1012ST130T3G’s two-stage robust topology allows the device to easily meet safety requirements, offering continuous power without thermal shutdown and over-temperature protection. The PMIC is capable of operating from -40°C to +125°C and can withstand a surge of up to 150V.

The NCN1012ST130T3G is an offline switcher is capable of both voltage step-down conversions (buck) and voltage step-up conversions (boost) with commutated synchronous Rectification. It is capable of maintaining a constant output voltage even when the input voltage varies from the required minimum input voltage to the overload voltage limit. The PMIC also employs power loss protection to reduce the output power when the input current exceeds the maximum rating.

The NCN1012ST130T3G features a wide range of features that make it an ideal choice for various types of applications. It has an onboard low dropout (LDO) that provides 10V output, a buck regulator to ensure steady and regulated output voltage, adjustable single-rail output voltage for flexibility, an enable/disable control, a power fail monitoring/alarm, over-current/over-voltage protections, over-temperature/overload protections, and a soft start function.

In addition, the NCN1012ST130T3G provides over-temperature and over-voltage protection, frequency fold-back under over-temperature, current limit protection with overtemperature fold-back, short-circuit protection, and transient protection by input current limiting thus providing protection during brown-out events. This PMIC also features dynamic speed control, allowing the user to adjust the converter\'s operation frequency to optimize system design according to the input supply and load conditions.

The working principle of the NCN1012ST130T3G is based on a two-stage topology combining a buck (step-down) regulator and a boost (step-up) regulator. The first stage consists of an input voltage regulator, which reduces the voltage of the input supply to about 12V and then passes it to the second stage. The second stage combines, in parallel, a buck regulator and a boost regulator to generate either a fixed or variable output voltage, depending on the mode of operation. The step-down converted voltage is then passed on to the load. The boost regulator converts the input voltage to a higher voltage, which is then stored in the output filter capacitors and passed on to the load.

Overall, the NCN1012ST130T3G two-stage ac/dc converter and offline switcher is an ideal power solution for a variety of applications, including consumer and automotive electronics, communications, industrial, and medical devices. It offers robust design architecture, high efficiency, user-adjustable single-rail output voltage, safety features and protections, wide input voltage range, and a wide operating temperature range.

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