10.1.9.1.2 Power Consumption

Backup mode configuration and measurements are defined as follows:
  • POR backup on VDDBU is enabled
  • RTC running
  • Force wake-up (FWUP) enabled
  • Current measurement as per the following figure
Figure 10-46. Measurement on VDDBU

Table 10-63. Current Consumption In Backup Mode
SymbolParameterConditionsMinMaxUnit
IVDDBUCurrent consumption in Backup mode (VDDBU)VDDBU = 3.3 V–5µA

The following figure shows the average Backup mode current consumption measured on a few typical devices.

Figure 10-47. Typical Current Consumption in Backup Mode