A switching power supply device includes a first switch, a second switch, a current sensing portion configured to sense current flowing in the second switch, and a controller configured to control the first and second switches. The controller controls the first switch and the second switch in accordance with current sensed by the current sensing portion if a ratio of the output voltage to the input voltage is a predetermined value or lower, and controls the first switch and the second switch independently of the current sensed by the current sensing portion if the ratio of the output voltage to the input voltage is higher than the predetermined value.


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    Title :

    Current mode control type switching power supply device


    Contributors:

    Publication date :

    2018-03-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G05F SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES , Systeme zum Regeln elektrischer oder magnetischer Veränderlicher



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