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Voltage Regulator

The CPU voltage regulator circuit of the ASUS Z97-PRO has 12 phases for the CPU. The voltage regulator uses a Digi+ ASP1257 controller chip (digital design), and each phase uses one PSMN1R6-30BL (“6030DLB”) and one PSMN2R4-30YLD (“4030DLA”) MOSFETs.

ASUS Z97-ProFigure 9: voltage regulator circuit

The motherboard uses high-end “5K” solid capacitors and all coils on this motherboard are ferrite ones.

If you want to learn more about the voltage regulator circuit, please read our tutorial on the subject.

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Rafael Otto Coelho is a physicist with a master’s degree in Education, and is a college professor in Brazil.