Controller IC Chip - On NCP5381G NCP5381 5381 chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP0822) The   NCP5222,   a   fast−transient−response   and   high−efficiencydual−channel / two−phase buck controller with built−in gate drivers,provides multifunctional power solutions for notebook power system.180°interleaved  operation  between  the  two  channels  /  phases  has  acapability  of  reducing  cost  of  the  common  input  capacitors  andimproving noise immunity. The interleaved operation also can reducecost of the output capacitors with the two−phase configuration. Inputsupply  voltage  feedforward  control  is  employed  to  deal  with  wideinput  voltage  range.  On−line  programmable  and  automaticpower−saving control ensures high efficiency over entire load range.Fast transient response reduces requirement on the output filters. In thedual−channel operation mode, the two output power rails are regulatedindividually. In the two−phase operation mode, the two

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