Datasheet

DocID025936 Rev 8 57/143
STM32L052x6 STM32L052x8 Electrical characteristics
112
TA Temperature range
Maximum power dissipation (range 6) –40 85
°C
Maximum power dissipation (range 7) –40 105
Maximum power dissipation (range 3) –40 125
T
J
Junction temperature range (range 6) -40 °C ≤ T
A
≤ 85 ° –40 105
Junction temperature range (range 7) -40 °C ≤ T
A
≤ 105 °C –40 125
Junction temperature range (range 3) -40 °C ≤ T
A
≤ 125 °C –40 130
1. It is recommended to power V
DD
and V
DDA
from the same source. A maximum difference of 300 mV between V
DD
and V
DDA
can be tolerated during power-up and normal operation.
2. V
DD_USB
must respect the following conditions:
- When V
DD
is powered-on (V
DD
< V
DD_min
), V
DD_USB
should be always lower than V
DD.
- When V
DD
is powered-down (V
DD
< V
DD_min
), V
DD_USB
should be always lower than V
DD.
- In operating mode, V
DD_USB
could be lower or higher V
DD.
- If the USB is not used, V
DD_USB
must range from V
DD_min
to V
DD_max
to be able to use PA11 and PA12 as standard I/Os.
3. To sustain a voltage higher than V
DD
+0.3V, the internal pull-up/pull-down resistors must be disabled.
4. If T
A
is lower, higher P
D
values are allowed as long as T
J
does not exceed T
J
max (see Table 24: Thermal characteristics on
page 55).
Table 25. General operating conditions (continued)
Symbol Parameter Conditions Min Max Unit
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