Description
The NCP81101 is a synchronous buck controller designed for demanding power delivery applications in computing systems, particularly as part of voltage regulation modules (VRMs) for CPUs/GPUs. It supports digital control interfaces, multi‑phase operation up to 3 phases, and modern power management features including dynamic voltage scaling, adaptive voltage positioning, and fault protections.
This controller can operate over a wide input voltage range, supports advanced gate driving, and includes built‑in protection for overcurrent, undervoltage, and thermal faults. The compact QFN variant (e.g. 28‑pin or 36‑pin) helps minimize board space, making it a good fit for high-density motherboard and power delivery designs.
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