Controller IC Chip - MOSFET G5616R51U G5616 5616 QFN24 chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP0457) Complete DDR, DDRII and DDRIII Memory Solution Synchronous  Buck  PWM  Controller,  3A  LDO,  Buffered Reference The    G5616    is    intended    for    DDR/SSTL-2,    D-DRII/SSTL-18  and  DDRIII  memory  systems.  It  inte-grates a synchronous buck PWM controller with a 3-A sink-source linear regulator and buffered reference. The  PWM  controller  uses  constant  on-time  control  scheme to handle wide input/output voltage ratios with ease  and  provides  100ns  “instant-on”  response  to  load  transients  while  maintaining  a  relatively  constant  switching  frequency.  The  G5616  achieves  high  effi-ciency   at   a   reduced   cost   by   eliminating   the   cur-rent-sense  resistor  found  in  traditional  current-mode  PWMs.  Efficiency  is  further  enhanced  by  an  ability  to  drive  very  large  synchronous  rectifier  MOSFETs.  Sin-gle-stage  b

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