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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1070247/tl431-tl431-vs-tl1431
一般来说，TL431和 TL1431设备有何区别？ 我发现了等效的原理图，它们是相同的。 电气规格也非常相似。
您好 Steve，
TL1431提供更精确的精度(0.4%)，并提供多种独特的封装选项。 希望这能有所帮助。
马苏德
