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Current-sharing passive snubber for parallel-connected switches and high power boost converter employing the same
Current-sharing passive snubber for parallel-connected switches and high power boost converter employing the same
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机译:用于并联开关的均流无源缓冲器和采用该缓冲器的高功率升压转换器
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摘要
For use in a boost converter having first and second boost switches coupled in parallel, a snubber for, and method of, improving current sharing between the first and second boost switches. In one embodiment, the snubber includes: (1) first and second snubber inductors, series- coupled with the first and second boost switches, respectively, that limit a flow rate of the electrical current in the first and second switches, respectively, as a function of a rate of the flow and (2) a conductive path, including a first zener diode coupled to a first node between the first snubber inductor and the first boost switch and a second zener diode coupled to a second node between the second snubber inductor and the second boost switch, that conducts a turn-off energy of said first and second boost switches from the first and second nodes toward an output of the boost converter.
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