Datasheet

DocID027100 Rev 4 63/149
STM32L072xx Electrical characteristics
120
P
D
Power dissipation at T
A
= 85 °C
(range 6) or T
A
=105 °C (rage 7)
(4)
UFBGA100 package - 351
mW
LQFP100 package - 488
UFBG64 package - 308
TFBGA64 package - 313
LQFP64 package - 435
WLCSP49 package - 417
LQFP48 package - 370
UFQFPN32 package - 556
LQFP32 package - 333
Power dissipation at T
A
= 125 °C
(range 3)
(4)
UFBGA100 package - 88
LQFP100 package - 122
UFBG64 package - 77
TFBGA64 package - 78
LQFP64 package - 109
WLCSP49 package - 104
LQFP48 package - 93
UFQFPN32 package - 139
LQFP32 package - 83
T
A 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 25: Thermal characteristics on
page 61).
Table 26. General operating conditions (continued)
Symbol Parameter Conditions Min Max Unit
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