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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/677536/ucc2891-use-zener-di-for-vin-at-lo-line-ac-input
大家好、
我需要快速回复。
PMP6661电路 显示 了 UCC2897A VIN 和桥式二极管之间的 D10 100V 齐纳二极管。 (交流输入为109V 至132V)
www.ti.com/.../slur498.pdf
此方法是否可用于 UCC2891 (交流输入 90V 至138V)？
如果是， ??? 齐纳二极管、您建议吗？
此致、
H.DOI
