如标题所示:
1.输入12V-200V直流;
2.输出:15V 3-5A 最大功率:80W;
3.可耐高温,最好是集成方案,可外接MOSFET构成同步整流电路;
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Hi
结合这2个方案看,设计成为sepic, 从第一个看效率其实还是可以的。
http://www.ti.com.cn/tool/cn/pmp7338
http://www.ti.com.cn/tool/cn/pmp6545
如果要同步整流,设计成为flyback, 但是没有类似参数的方案。