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FAIRCHILD Flyback RCD电路的计算

更新时间:2021-05-26 15:36:07 大小:180K 上传用户:Powerxys查看TA发布的资源 标签:flybackrcd电路 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

资料介绍

This article presents some design guidelines for the RCD

snubber of flyback converters. When the MOSFET turns off,

a high-voltage spike occurs on the drain pin because of a resonance

between the leakage inductor (Llk) of the main transformer

and the output capacitor (COSS) of the MOSFET. The

excessive voltage on the drain pin may lead to an avalanche

breakdown and eventually damage the MOSFET. Therefore,

it is necessary to add an additional circuit to clamp the voltage.


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FAIRCHILD_Flyback_RCD电路的计算.pdf 180K

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