NCP81101BMNTXG

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The NCP81101BMNTXG is part of ON Semiconductor\'s broad portfolio of DC-DC switching controllers. This product is a high-speed, programmable, current-mode PWM controller suitable for driving N-channel MOSFETs in synchronous buck topologies. It allows users to achieve a high efficiency conversion and a constant-current output. This PWM controller integrates a wide range of features, making it an ideal solution for both low and high current applications.

The NCP81101BMNTXG offers a wide range of features, including adaptive dead-time, peak current control, slope compensation, and voltage feed-forward. These features allow users to achieve a high level of precision, allowing them to maximize their efficiency while minimizing their power loss. The NCP81101BMNTXG also incorporates advanced current sense amplifiers, allowing users to accurately monitor the output current and quickly adjust the control loop. Additionally, the product includes undervoltage lockout, overvoltage protection, and cycle-by-cycle current-limit protection.

The NCP81101BMNTXG is suitable for applications in which high-precision output current monitoring and control are necessary. This includes applications such as motor control, server power supply, and LED backlighting. It can also be used for battery charging applications and for driving other high-current loads. Additionally, the NCP81101BMNTXG has been designed to meet the requirements of a variety of system topologies, such as multi-phase buck/boost, CUK/SEPIC, and flyback/forward topologies.

The NCP81101BMNTXG uses a current-mode PWM control architecture. The current-mode PWM control loop is designed to regulate the output voltage by tracking the input voltage and varying the duty cycle accordingly. It uses two inputs, a voltage reference and a current sense amplifier, to measure the input voltage and current. The voltage reference is used to track the input voltage, and the current sense amplifier is used to measure the output current. The PWM control loop also incorporates an adaptive dead-time adjustment and a peak current control to enable a higher degree of precision.

The NCP81101BMNTXG has been designed to meet the requirements of a variety of system topologies, allowing users to achieve high efficiency while minimizing power loss. Additionally, it integrates several features, such as adaptive dead-time, peak current control, slope compensation, and voltage feed-forward, allowing users to achieve a high level of precision. This makes it an ideal solution for low and high current applications, such as motor control, server power supplies, LED backlighting, and battery charging.

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