DC convertor
A technology of DC converter and device, which is applied in the direction of converting DC power input to DC power output, without intermediate conversion to AC conversion equipment, and output power conversion device, which can solve the problems of lower conversion efficiency, slow load response speed, and dynamic Response is not very good and other problems, to achieve the effect of small ripple and good anti-noise ability
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[0029] The first embodiment:
[0030] Such as Figure 4 Shown is an improved new voltage converter circuit 100 according to the present invention, which is the first embodiment of the present invention. As shown in the figure, the circuit 100 includes an input part, a first switching device S 1 , The second switching device S 2 , The third switching device S 3 , The first capacitor C 1 , The second capacitor C 2 , Inductance L 1 And load R L . The first end of the input part is connected to the first switching device S 1 The first terminal and the third switching device S 3 The first terminal, the first switching device S 1 The second terminal is connected to the first capacitor C 1 The first terminal and the second switching device S 2 The first terminal, the third switching device S 3 The second terminal is connected to the first capacitor C 1 The second terminal and the inductor L 1 The first terminal, the inductance L 1 Is connected to the second capacitor C 2 The first end an...
Example
[0034] The second embodiment:
[0035] Such as Figure 5 Shown is an improved new voltage converter circuit 200 according to the present invention, which is the second embodiment of the present invention. Circuit 200 and Figure 4 The same parts use the same reference numerals, which are the same as those in the first embodiment Figure 4 The difference of the circuit 100 is that the circuit 200 also includes a third switching device S 3 The fourth switching device S between the second terminal and the ground 4 , The fourth switching device S 4 The first terminal is connected to the third switching device S 3 The second end of the fourth switching device S 4 The second terminal is grounded. Those skilled in the art should realize that the fourth switching device S 4 It can be switching devices such as diodes, triodes, MOSFETs, and IGBTs.
[0036] When the output voltage V O The requirement is between 0~V IN Within the range, the first switching device S 1 And the second switching...
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