Sumitomo Electric Industries, Limited

Tomoaki Ujimaru

Seiji Takahashi

Takaaki Sano

Takumi Uemura

A voltage supply system and a power source that, in a voltage supply system in which a plurality of power sources (e.g., DC-DC converters) are connected in parallel, enable each power source to be set at a desired load ratio. The power source is used in a voltage supply system including a power source configured to output a voltage in a constant voltage mode on the basis of a first target voltage, and is connected in parallel to the constant voltage power source, the power source including a voltage generation unit configured to output a voltage switchably between a constant voltage mode based on a second target voltage greater than the first target voltage and a constant current mode based on a current limit value.

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Osaka, Japan

Tomoaki Ujimaru