NCP81101MNTXG

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The NCP81101MNTXG is a high-frequency, integrated synchronous step-down DC-DC controller. As part of the PMIC - Voltage Regulators - DC DC Switching Controllers category, it provides excellent power efficiency, design flexibility, and ease of use for a variety of applications.

The NCP81101MNTXG is a highly integrated switching regulator that provides a high accuracy reference voltage, a low on-resistance high-side and low-side MOSFET, and various operating modes for a variety of voltage conversion solutions. It also boasts a full set of safety features, as well as multiple fault protection functions.

Application Field

The NCP81101MNTXG can be used in a variety of big and small applications, ranging from mobile device power supply solutions to industry, automotive, and computer applications. It is suitable for those applications that require high efficiency and low power consumption alongwith precise voltage control. It also offers fast transient response and high output accuracy, as well as improved thermal performance.

Working Principle

The NCP81101MNTXG uses a synchronous rectification topology, where the two high-and-low side MOSFETs are operated in an alternating manner to maximize efficiency. It also offers a typical threshold voltage of 0.9V, which helps to reduce power consumption and preserve battery energy for extended usage.

The NCP81101MNTXG also integrates an adjustable reference voltage and built-in high accuracy voltage divider for precise voltage regulation. It provides an adjustable current-limit threshold with an adjustable gate drive slew rate for improved load transient response. It also supports auto-restart and phase-lock loop (PLL) modes for peak efficiency.

The NCP81101MNTXG provides a wide array of protection features including over current protection, over voltage protection, under voltage lockout, and overtemperature protection. Built-in loop compensation helps to more accurately optimize stability in the presence of high input voltage, output current, and temperature variations. Overall, the NCP81101MNTXG offers excellent efficiency and reliability for a variety of voltage conversion requirements.

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