Gigabyte H81M-S2PH Motherboard

Voltage Regulator

The voltage regulator of the Gigabyte H81M-S2PH has three phases for the CPU. The voltage regulator is controlled by an ISL95812 integrated circuit.

Each phase is driven by two transistors, shown in Figure 7. We were unable to decode their part numbers.

Gigabyte H81M-S2PHFigure 7: Voltage regulator circuit

The motherboard uses solid electrolytic capacitors and ferrite coils.

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

Author: Rafael Coelho

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

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