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STM32H723VG bảng dữ liệu(PDF) 92 Page - STMicroelectronics

tên linh kiện STM32H723VG
Giải thích chi tiết về linh kiện  32-bit Arm® Cortex®-M7 550 MHz MCU, up to 1 MB Flash memory, 564 KB RAM, 35 comms peripherals and analog interfaces
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STM32H723VG bảng dữ liệu(HTML) 92 Page - STMicroelectronics

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Electrical characteristics
STM32H723xE/G
92/227
DS13313 Rev 2
6.3.2
VCAP external capacitor
Stabilization for the main regulator is achieved by connecting an external capacitor CEXT to
the VCAP pin. CEXT is specified in Table 14. Two external capacitors can be connected to
VCAP pins.
Figure 12. External capacitor CEXT
1. Legend: ESR is the equivalent series resistance.
Table 13. Supply voltage and maximum temperature configuration
Power scale
VCORE source
Max. TJ (°C)
Min. VDD(V)
Min. VDDLDO (V)
VOS0
LDO
105
1.7
1.7
External (Bypass)
1.62
-
VOS1
LDO
125
1.62
1.62
External (Bypass)
-
-
VOS2 or VOS3
LDO
125
1.62
1.62
External (bypass)
-
-
SVOS4/SVOS5
LDO
125
2
2
105
1.62
1.62
External (Bypass)
125
1.62
-
Table 14. VCAP operating conditions(1)
1. When bypassing the voltage regulator, the two 2.2 µF VCAP capacitors are not required and should be
replaced by two 100 nF decoupling capacitors.
Symbol
Parameter
Conditions
CEXT
Capacitance of external capacitor
2.2 µF(2)(3)
2. This value corresponds to CEXT typical value. A variation of +/-20% is tolerated.
3. If a third VCAP pin is available on the package, it must be connected to the other VCAP pins but no
additional capacitor is required.
ESR
ESR of external capacitor
< 100 m
Ω
MS19044V2
ESR
R Leak
C



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