Datasheet

DocID15274 Rev 10 37/108
STM32F105xx, STM32F107xx Electrical characteristics
107
5.3 Operating conditions
5.3.1 General operating conditions
Table 8. Thermal characteristics
Symbol Ratings Value Unit
T
STG
Storage temperature range –65 to +150 °C
T
J
Maximum junction temperature 150 °C
Table 9. General operating conditions
Symbol Parameter Conditions Min Max Unit
f
HCLK
Internal AHB clock frequency - 0 72
MHzf
PCLK1
Internal APB1 clock frequency - 0 36
f
PCLK2
Internal APB2 clock frequency - 0 72
V
DD
Standard operating voltage - 2 3.6 V
V
DDA
(1)
1. When the ADC is used, refer to Table 52: ADC characteristics.
Analog operating voltage
(ADC not used)
Must be the same potential
as V
DD
(2)
2. 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 operation.
23.6
V
Analog operating voltage
(ADC used)
2.4 3.6
V
BAT
Backup operating voltage - 1.8 3.6 V
P
D
Power dissipation at T
A
=
85 °C for suffix 6 or T
A
=
105 °C for suffix 7
(3)
3. If T
A
is lower, higher P
D
values are allowed as long as T
J
does not exceed T
J
max.
LFBGA100 - 500
mWLQFP100 - 434
LQFP64 - 444
P
D
Power dissipation at T
A
=
85 °C for suffix 6 or T
A
=
105 °C for suffix 7
(4)
4. If T
A
is lower, higher P
D
values are allowed as long as T
J
does not exceed T
J
max.
LQFP100 - 434
mW
LQFP64 - 444
T
A
Ambient temperature for 6
suffix version
Maximum power dissipation –40 85
°C
Low power dissipation
(5)
5. In low power dissipation state, T
A
can be extended to this range as long as T
J
does not exceed T
J
max.
–40 105
Ambient temperature for 7
suffix version
Maximum power dissipation –40 105
°C
Low power dissipation
(5)
–40 125
T
J Junction temperature range
6 suffix version –40 105
°C
7 suffix version –40 125
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