Datasheet

DocID028794 Rev 4 95/224
STM32L433xx Electrical characteristics
193
6.3.2 Operating conditions at power-up / power-down
The parameters given in Table 23 are derived from tests performed under the ambient
temperature condition summarized in Table 22.
P
D
Power dissipation at
T
A
= 125 °C for suffix 3
(4)
LQFP100 - 119
mW
LQFP64 - 111
LQFP48 - 88
UFBGA100 - 88
UFBGA64 - 77
UFQFPN48 - 151
WLCSP64 - 109
WLCSP49 - 104
TA
Ambient temperature for the
suffix 6 version
Maximum power dissipation –40 85
°C
Low-power dissipation
(5)
–40 105
Ambient temperature for the
suffix 7 version
Maximum power dissipation –40 105
Low-power dissipation
(5)
–40 125
Ambient temperature for the
suffix 3 version
Maximum power dissipation –40 125
Low-power dissipation
(5)
–40 130
T
J
Junction temperature range
Suffix 6 version –40 105
°CSuffix 7 version –40 125
Suffix 3 version –40 130
1. When RESET is released functionality is guaranteed down to V
BOR0
Min.
2. This formula has to be applied only on the power supplies related to the IO structure described by the pin definition table.
Maximum I/O input voltage is the smallest value between MIN(V
DD
, V
DDA
, V
DDUSB
, V
LCD
)+3.6 V and 5.5V.
3. For operation with voltage higher than Min (V
DD
, V
DDA
, V
DDUSB
, V
LCD
) +0.3 V, the internal Pull-up and 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
Jmax
(see Section 7.9: Thermal characteristics).
5. In low-power dissipation state, T
A
can be extended to this range as long as T
J
does not exceed T
Jmax
(see Section 7.9:
Thermal characteristics).
Table 22. General operating conditions (continued)
Symbol Parameter Conditions Min Max Unit
Table 23. Operating conditions at power-up / power-down
Symbol Parameter Conditions Min Max Unit
t
VDD
V
DD
rise time rate
-
0 
µs/V
V
DD
fall time rate 10 
t
VDDA
V
DDA
rise time rate
-
0 
V
DDA
fall time rate 10 
t
VDDUSB
V
DDUSB
rise time rate
-
0 
V
DDUSB
fall time rate 10 
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