Datasheet

Electrical characteristics STM32F405xx, STM32F407xx
80/202 DocID022152 Rev 8
V
12
Regulator ON:
1.2 V internal voltage on
V
CAP_1
/V
CAP_2
pins
VOS bit in PWR_CR register = 0
(1)
Max frequency 144MHz
1.08 1.14 1.20 V
VOS bit in PWR_CR register= 1
Max frequency 168MHz
1.20 1.26 1.32 V
Regulator OFF:
1.2 V external voltage must be
supplied from external regulator
on V
CAP_1
/V
CAP_2
pins
Max frequency 144MHz 1.10 1.14 1.20 V
Max frequency 168MHz 1.20 1.26 1.30 V
V
IN
Input voltage on RST and FT
pins
(6)
2 V ≤ V
DD
≤ 3.6 V –0.3 - 5.5
V
V
DD
≤ 2 V –0.3 - 5.2
Input voltage on TTa pins - –0.3 -
V
DDA
+
0.3
Input voltage on B pin - - - 5.5
P
D
Power dissipation at T
A
= 85 °C
for suffix 6 or T
A
= 105 °C for
suffix 7
(7)
LQFP64 - - 435
mW
LQFP100 - - 465
LQFP144 - - 500
LQFP176 - - 526
UFBGA176 - - 513
WLCSP90 - - 543
T
A
Ambient temperature for 6 suffix
version
Maximum power dissipation –40 - 85
°C
Low-power dissipation
(8)
–40 - 105
Ambient temperature for 7 suffix
version
Maximum power dissipation –40 - 105
°C
Low-power dissipation
(8)
–40 - 125
T
J Junction temperature range
6 suffix version –40 - 105
°C
7 suffix version –40 - 125
1. The average expected gain in power consumption when VOS = 0 compared to VOS = 1 is around 10% for the whole
temperature range, when the system clock frequency is between 30 and 144 MHz.
2. V
DD
/V
DDA
minimum value of 1.7 V is obtained when the device operates in reduced temperature range, and with the use of
an external power supply supervisor (refer to Section : Internal reset OFF).
3. When the ADC is used, refer to Table 67: ADC characteristics.
4. If V
REF+
pin is present, it must respect the following condition: V
DDA
-V
REF+
< 1.2 V.
5. 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 power-down operation.
6. To sustain a voltage higher than V
DD
+0.3, the internal pull-up and pull-down resistors must be disabled.
7. If T
A
is lower, higher P
D
values are allowed as long as T
J
does not exceed T
Jmax
.
8. In low-power dissipation state, T
A
can be extended to this range as long as T
J
does not exceed T
Jmax
.
Table 14. General operating conditions (continued)
Symbol Parameter Conditions Min Typ Max Unit
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