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CC1310: Power Consumption Abnormal while Supply under 2V in standby mode

Part Number: CC1310

While power supply is above 2.1V, Customer product power consumption is 4.6mA in active mode and 1.8uA in standby mode, both mode should be in normal range.

If power supply set to 1.8V ~ 2.1V,  active mode power consumption can still be 4.6mA in normal range. However standby mode power consumption increase to 800uA around which is abnormal. Does any special setting need to do for standby mode if power supply in 1.8V ~ 2.1V?