By reducing the product of the drain-source on-resistance and the gate-drain charge (RDS(ON) × Qgd), which is a MOSFET figure of merit, the efficiency evaluation of PFC circuit evaluation boards with a maximum output of 2.5 kW has found that the efficiency of power conversion is improved throughout the output power range compared with the conventional DTMOSVI series products. In particular, the power conversion efficiency has improved by 0.36% at the output power of 2.5 kW and is reduced by approximately 10 W at the output power level. It contributes to the high efficiency required for switching power supplies for industrial equipment such as servers and telecommunications equipment.
The graph above shows the results of comparative evaluations of the power conversion efficiencies of the DTMOSVI, conventional products, and competitors’ products in the PFC circuit of the AC-DC power supply for servers with the highest power output of 1.6 kW. Our DTMOSVI series achieves approximately 95% under 50% loading conditions for both AC230-V and AC180-V input conditions. Compared with conventional products and competitors’ products, this product achieves the same or higher efficiency throughout the output power range, and is suitable for switching power sources that require high efficiency such as servers.
Switched Mode Power Supply Library is the service which can select and download various basic topologies of power supply unit based on your actual requirement to verify the behavior of MOSFET with your simulation environment.
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