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请教D1/D1S的LDO输入端串的二极管作用？

D1系列-RISC-V

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aozima LV 6 last edited by
看到原理图上面都有串一个二极管，请问此二极管的作用是什么？
- 降压替LDO分担压差？用低压差的肖特基二极还是标准压差的好？
- 掉电时防止电流倒灌？
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lovexulu LV 7 @aozima last edited by

@aozima 减少发热。
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aozima LV 6 @lovexulu last edited by

@lovexulu 谢谢！看来用0.7V的普通二极管比较好！
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