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LM3489: EN引脚得漏电流多大,设计enable功能时候,电阻选择多大级别比较合适。在高低温下Ven 阈值是否会发生变化

Part Number: LM3489


在设计电源电路时,Vin设计是按照5V进行启动。VEN引脚采用470K的电阻与VIN 连接,电流约为11.5uA,该电流是否会影响ENable引脚得漏电流。该阻值选择是否合适。  在高低温下Ven 阈值是否发生变化。