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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/842481/ucc28742-ac-70v-130v-50hz-to-dc5v-2a-solution
请帮助您建议 USB 充电器解决方案和规范如下、UCC28742可以正确支持该规范、或者哪一个是良好的解决方案？ 交流70V~130V/50Hz 至 DC5V/2A 效率超过80% 输出电压精确为1%
此致 James
James
UCC28742可以满足您列出的这些规格。
我们建议您使用我们的 Excel 计算器 http://www.ti.com/lit/zip/sluc652
此致、
Eric
