ASUS H81M-A Motherboard
Voltage Regulator
Contents
The voltage regulator of the ASUS H81M-A has three phases for the CPU. The voltage regulator is controlled by a Digi+ ASP1258A integrated circuit, using a digital design. Each phase is driven by two PH7730DL transistors, as shown in Figure 7.
Figure 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.