| 摘要 |
PROBLEM TO BE SOLVED: To prevent malfunction of a power supply unit by preventing a counter electromotive force induced in a first load section, when power supply is interrupted from being supplied to other load section. SOLUTION: A power supply section 13 supplying DC power is connected with a first load section 3, and constant voltage control sections (second load section, third load section) 9 and 11. A reverse current blocking diode D3 is inserted into the first load section 3 from the joint of the first load section 3 and the constant voltage control sections (second load section, third load section) 9 and 11, to block the output current from the first load section 3. COPYRIGHT: (C)2008,JPO&INPIT
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