NCP81276: Multi-Phase Synchronous Buck Controller with Power Saving Mode and PWM VID Interface

The NCP81276 is a multiphase synchronous controller optimized for new generation computing and graphics processors. The device is capable of driving up to 4 phases and incorporates differential voltage and phase current sensing, adaptive voltage positioning and PWM_VID interface to provide and accurately regulated power for computer or graphic controllers. The integrated power saving interface (PSI) allows for the processors to set the controller in one of three modes, i.e. all phases on, dynamic phases shedding or fixed low phase count mode, to obtain high efficiency in light-load conditions. The dual edge PWM multiphase architecture ensures fast transient response and good dynamic current balance.

应用
  • GPU and CPU power
  • Power Management for Graphic cards
终端产品
  • Desktop Computers
  • Notebook Computers
数据表 (1)
Document TitleDocument ID/SizeRevisionRevision Date
4/3/2/1 Phase Buck Controller with PWM_VID and I2C InterfaceNCP81276/D (233kB)5Sep, 2016
封装图纸 (1)
Document TitleDocument ID/SizeRevision
QFN40 5x5, 0.4P485CR (58.8kB)C
产品订购型号
产品状况Compliance封装MSL*容器预算价格 (1千个数量的单价)
NCP81276MNTXGActivePb-free Halide freeQFN-40485CR1Tape and Reel5000$0.8666
订购产品技术参数
ProductTopologyPhasesControl ModeVCC Min (V)VCC Max (V)fSW Typ (kHz)tres Typ (ns)
NCP81276MNTXG
4/3/2/1 Phase Buck Controller with PWM_VID and I2C Interface (233kB) NCP81276
QFN40 5x5, 0.4P NCP81276