Regulators

International Rectifier 3585B

seen with markings "3585B N326P IC2X" and "3585B N330P J8M0"

http://www.irf.com/

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  CUH-10xxA SAA-001 International Rectifier 3585B - markings : IR 3585B N330P J8M0

TI TPS51218DSCR

High performance, single synchronous step-down controller for notebook power supply

dataheet : http://www.ti.com/lit/ds/slus935b/slus935b.pdf

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  TPS51218DSCR - markings : PIZI TI I 37G9