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GIGABYTE Z270X-GAMING SOC Motherboard Review (Page 3)

By Steven Bassiri from May 11, 2017 @ 23:35 CDT
TweakTown Rating: 92%Manufacturer: GIGABYTE

Circuit Analysis




The Z270X-GAMING SOC has a really nice VRM.





The VRM on the Z270X-Gaming SOC is one of the best GIGABYTE has to offer on the Z270 platform. The CPU core VRM gets eight true phases controlled by an International Rectifier fully-digital IR35201 8+0 phase PWM. Each PWM phase goes to an IR3553 40A integrated PowIRstage, which includes the driver, low-side MOSFET, and high-side MOSFET into a single package. The VCCSA and VCCIO each get a single phase to the very left of the VRM. They each get a single IR3553 and an IR3570 3+2 phase PWM working in 1+1 phase mode.




The iGPU rail uses another IR35201 in 4+0 phase mode, two IR3598 dual drivers, and PowerPAKs for each of the four phases. The memory VRM uses an IR3570 in 2+1 phase mode, two phases for the main DRAM voltage and a single phase for the VPP. Both memory phases use IR3553 power stages.

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