Single referende DC/DC converter

Single referende DC/DC converter

  • CN 1,418,396 B
  • Filed: 12/14/2001
  • Issued: 06/20/2012
  • Est. Priority Date: 01/18/2001
  • Status: Active Grant
First Claim
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1. a DC/DC converter (1) comprising:

  • Inductive electrical energy storage means (L),Switch element (S1 S2), is used for a certain amount of electric energy is transferred to the output of said DC/DC converter (1) from said inductive electrical energy storage means (L), thereby output voltage (Vout) is provided,The device (9) that is used for more said output voltage (Vout) and independent reference voltage (Vref), andControl unit (6), it is according to the said output that is used for the device (9) of comparison, according to two-state switching cycle control said switch element (S1, S2), said two-state switching cycle comprise minimum work than (Dmin) and maximum functional than (Dmax),Wherein to said switch element (S1;

    S2) control;

    Make when said output voltage (Vout) is lower than said reference voltage (Vref);

    Adopt maximum functional than (Dmax) for next switching cycle, and when said output voltage (Vout) is higher than said reference voltage (Vref), adopt minimum work than (Dmin) for next switching cycle.

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