Datasheet

Electrical characteristics STM32L452xx
88/210 DocID029968 Rev 3
6.1.7 Current consumption measurement
Figure 16. Current consumption measurement scheme with and without external
SMPS power supply
The I
DD_ALL
parameters given in Table 27 to Table 49 represent the total MCU consumption
including the current supplying V
DD
, V
DDA
, V
DDUSB
and V
BAT
.
6.2 Absolute maximum ratings
Stresses above the absolute maximum ratings listed in Table 20: Voltage characteristics,
Table 21: Current characteristics and Table 22: Thermal characteristics may cause
permanent damage to the device. These are stress ratings only and functional operation of
the device at these conditions is not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability. Exposure to maximum rating conditions for
extended periods may affect device reliability. Device mission profile (application conditions)
is compliant with JEDEC JESD47 qualification standard, extended mission profiles are
available on demand.
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Table 20. Voltage characteristics
(1)
Symbol Ratings Min Max Unit
V
DDX
- V
SS
External main supply voltage (including
V
DD
, V
DDA
, V
DDUSB
, V
BAT
)
-0.3 4.0 V
V
DD12
- V
SS
External SMPS supply voltage -0.3 1.32 V
V
IN
(2)
Input voltage on FT_xxx pins
V
SS
-0.3
min (V
DD
, V
DDA
, V
DDUSB
)
+
4.0
(3)(4)
V
Input voltage on TT_xx pins V
SS
-0.3 4.0
Input voltage on any other pins V
SS
-0.3 4.0
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