NCV891330PD50R2G

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The NCV891330PD50R2G is a monolithic switching voltage regulator designed for DC–DC power conversion applications, such as mobile and notebook computer power supplies, mobile phones, and automotive systems. This voltage regulator belongs to the family of switch mode power converters, which are wildly used as DC-to-DC voltage converters and provide a cost effective alternative to linear regulator designs. It features a wide power range, high power density, and low turn-on time. The device is suitable for non-isolated applications, where the input and output are connected together without the need for an additional transformer.

The switching regulator consists of an integrated circuit (IC) and an external power semiconductor power switch. The power switch may be a MOSFET, bipolar transistor, or other device capable of handling high currents while providing fast switching action. When the power switch is activated, electrical energy is transferred into the output, or load, of the system. The switching regulator controls the power switch to maintain a constant output voltage over a wide range of load conditions. This is accomplished by sensing the output voltage and controlling the power switch on-time to keep the output voltage stable.

The NCV891330PD50R2G is a low-dropout (LDO) regulator. A low-dropout regulator is typically used when the input voltage is only slightly higher than the output voltage. These regulators use a P-channel MOSFET as the power switch, which switches ON when the output voltage is lower than the threshold for which the MOSFET is designed. This allows the regulator to operate with a small dropout voltage, allowing it to use a small input voltage to deliver a large output current.

The NCV891330PD50R2G is also a synchronous Buck regulator, which controls the power switch with a square wave signal. This type of regulator is typically used when the input voltage is considerably higher than the output voltage. It is well suited for applications where a high power conversion efficiency is desired. The synchronous Buck regulator uses a P-channel MOSFET as the power switch and a N-channel MOSFET as the synchronous switch to control the power switch. The synchronous switch is turned ON and OFF with a square wave signal, which controls the power switch ON/OFF time to maintain the output voltage.

The NCV891330PD50R2G has a wide supply voltage range from 2.5V to 14V and can deliver up to 2A of continuous output current. The regulator is available in a standard 6-brick footprint, allowing it to be integrated into existing applications. It also has an Automatic Power Switch Over (APSO) feature that allows the output voltage to automatically switch between two different voltage levels. This allows the voltage regulator to be operated in multiple load conditions, providing stability under different input and output conditions.

The NCV891330PD50R2G is designed to meet the requirements of many DC–DC application areas, such as cellular and wireless base-stations, consumer electronics, automotive electronics, IoT, and point-of-load (POL) applications. Its high power density and robust design make it a reliable and cost-effective solution for the demanding environment of today\'s consumer electronic products.

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