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【干货】12种电源拓扑：开关MOS与整流管的应力计算

由 cathy 提交于

<strong>1、BUCK电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54595-1.jp…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54596-2.pn…; alt=“” ></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54597-3.pn…; alt=“” ></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54598-4.pn…; alt=“” ></center>

<strong>2、BOOST电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54599-5.pn…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54600-6.pn…; alt=“” ></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54601-7.pn…; alt=“” ></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54602-8.pn…; alt=“” ></center>

<strong>3、BUCK BOOST电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54603-9.pn…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54604-10.p…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54605-11.p…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54606-12.p…; alt=“”></center>

<strong>4、SEPIC电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54607-13.p…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54608-14.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54609-15.p…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54610-16.p…; alt=“”></center>

<strong>5、FLYBACK电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54611-17.j…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54612-18.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54613-19.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54614-20.j…; alt=“”></center>

<strong>6、FORWARD电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54615-21.p…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54616-22.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54617-23.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54635-24.j…; alt=“”></center>

<strong>7、2 SWITCH FORWARD电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54636-25.p…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54637-26.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54638-27.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54639-28.j…; alt=“”></center>

<strong>8、ACTIVE CLAMP FORWARD电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54640-29.j…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54641-30.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54643-31.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54644-32.j…; alt=“”></center>

<strong>9、HALF BRIDGE电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54645-33.p…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54646-34.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54647-35.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54648-36.j…; alt=“”></center>

<strong>10、PUSH PULL电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54649-37.j…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54650-38.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54651-39.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54652-40.j…; alt=“”></center>

<strong>11、FULL BRIDGE电路</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54653-41.p…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54654-42.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54655-43.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54656-44.j…; alt=“”></center>

<strong>12、PHASE SHIFT ZVT</strong>

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54657-45.p…; alt=“” width="600"></center>

输入输出电压关系

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54658-46.j…; alt=“”></center>

开关管电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54659-47.j…; alt=“”></center>

二极管反向电压

<center><img src="http://mouser.eetrend.com/files/2018-12/wen_zhang_/100016247-54660-48.j…; alt=“”></center>

本文转载自：电源研发精英圈
声明：本文为转载文章，转载此文目的在于传递更多信息，版权归原作者所有，如涉及侵权，请联系小编邮箱：cathy@eetrend.com 进行处理。

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