NCP81101BMNTWG

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The NCP81101BMNTWG is a high-efficiency, non-synchronous, monolithic power switch specifically designed to address the needs of Portable Application, Adapter Application or Industrial Adapter. The device is optimized for portable applications, including a 3.2V to 32V input voltage range and an adjustable output voltage ranging from 0.9V to 27V. It features a 1MHz fixed frequency current mode control, allowing for a fast, simple and reliable transient response. The device also features an output voltage soft-start, perfect for start-up in applications, and a wide power-saving mode duration range. The device integrates a maximum current regulation of 1.5A, enabling a very low RDS(on) at full load and high efficiency. This makes it ideal for applications where power efficiency is of utmost importance.

NCP81101BMNTWG is a DC-DC switching controller which is used to regulate an input voltage to an output voltage based on a switching cycle. The device uses PWM current mode control along with an internal high-side MOSFET and low-side MOSFET driver for driving MOSFETs in a buck (step-down) converter or a boost (step-up) converter topology. The switching frequency of the device is fixed at 1 MHz making it ideal for high-speed applications such as portable AC/DC adapters. The device features a maximum current regulation of 1.5A, allowing for lower switching losses and higher efficiency.

The NCP81101BMNTWG is suited for high-efficiency, non-isolated power conversion applications such as quick chargers, industrial adapters and battery chargers. Its high current drive capability makes it perfectly suited for applications that require a higher power output such as portable AC/DC adapters. Due to its low input voltage range (3.2V – 32V) and adjustable output voltage (0.9V – 27V), the device can also be used in a variety of low voltage and/or high voltage applications. The NCP81101BMNTWG can also be used as a replacement for a linear regulator as it features an output voltage soft-start, making it suitable for power sequencing applications.

In summary, the NCP81101BMNTWG is an efficient DC-DC switching controller designed for use in portable, industrial and battery charger applications. It can be used as a stand-alone device or in conjunction with a MOSFET to form either a buck or a boost topology. The device can drive a maximum of 1.5A and has a fixed frequency of 1MHz making it ideal for high-speed applications. The device also features an output voltage soft-start, making it perfect for power sequencing applications. It has a wide input voltage range making it suitable for low voltage and high voltage applications. All in all, the device is an ideal choice for high-efficiency non-isolated power conversion applications.

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