A switching regulator for generating an output voltage from an input voltage includes a first to fourth switches and is configured to fix an on-duty ratio of the third switch in a step-up/down mode. The switching regulator performs current mode control according to the information of current flowing through the second switch. A step-down control circuit includes a slope voltage generation part that generates a slope voltage, and generates a step-down control signal according to the slope voltage. The slope voltage generation part switches between a first operation of combining a first ramp voltage to stored information of the current to generate the slope voltage and a second operation of combining a second ramp voltage having a slope smaller than a slope of the first ramp voltage to stored information of the current to generate the slope voltage.


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    Title :

    SWITCHING REGULATOR


    Contributors:

    Publication date :

    2017-06-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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