SM72442X/NOPB

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SM72442X/NOPB, which stands for Switch Mode Power Supply Integrated Circuit, is a special purpose, voltage regulator integrated circuit used mainly in applications including television, computer, telecom and peripherals, luminaire and lighting, electronic toys, vending machines and even audio/video related products.

These regulators are built as integrated switching regulators that provide excellent conversion efficiency and accuracy, compared to linear voltage regulator. Its main structure consists of a switching regulator, a control IC, an output voltage resistor, a feedback loop and a power transistors.

The SM72442X/NOPB voltage regulator operates with a wide input voltage range, making it suitable for many different applications. It uses a proprietary DC to DC conversion method, called “Multiphase” mode, to achieve high conversion efficiency. This method combines two switching components along with a feedback loop in order to achieve excellent voltage accuracy.

The main operating principle of the SM72442X/NOPB is it modulates the output voltage in response to the current input and output voltage. In this way, it provides an output voltage that is independent of the input voltage and current. The input voltage can range from 6V up to 30V, while the output voltage can range from 0.8V to 18V.

The SM72442X/NOPB voltage regulator provides an adjustable output current and supports over-current and over-voltage protection. Its output current can be set to as low as 0.1A to as high as 5A. It supports up to 180kHz switching frequency and features configurable soft start and soft stop functions.

The SM72442X/NOPB voltage regulator also features a programmable under-voltage lockout and a programmable hysteresis feature to avoid noise related problems. Furthermore, it has integrated voltage and current monitoring features, which makes it suitable for battery charging applications.

In summary, the SM72442X/NOPB voltage regulator is a special purpose voltage regulator with high performance and accuracy. It is suitable for a wide range of applications and has configurable settings that allow it to be tailored for a specific use. Its proprietary Multi Phase switching method ensures high conversion efficiency, low operating temperature and low EMI generation.

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