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uP1666Q
2-Phase Synchronous-Rectified Buck Controller
for Mobile GPU Power
General Description
Features
The uP1666Q is a 2/1-phase synchronous-rectified buck Support NVIDIA Open VReg Type-2+ PWMVID
controller specifically designed to work with 2.5V ~ 20V
Technology
input voltage and deliver high quality output voltage for high Wide Input Voltage Range 2.5V ~ 20V performance graphic processor power. The uP1666Q adopts proprietary RCOTTM technology, Robust Constant On-Time Control providing flexible selection of output LC filter and excellent 2/1 Phase Operation
transient response to load and line change.
Two Integrated MOSFET Drivers with Shoot-
The uP1666Q supports NVIDIA Open Voltage Regulator
Through Protection and Internal Bootstrap
2+ with PWMVID feature.