ST STM32H723ZG User Manual

Figure 3. Power supply component layout
V
DD
V
DD33USB
V
DD50USB
V
REF-
V
SSA
V
SS
Analog domain
Core domain
Backup
domain
LDO
Voltage
regulator
Power switch
V
DDLDO
V
DDSMPS
V
LXSMPS
V
SSSMPS
V
FBSMPS
V
BAT
V
DDA
V
REF+
V
DD
USB regulator
V
CAP1/2
PDR_ON
POR/PDR
100 nF1 μF
100 nF
1 μF
STM32H723/733/
725/735/730
1 μF
1 μF
100 nF
47W
V
DDA
Three different possible use cases
V
REF+
100 nF
1 μF
1 μF
5V
Two different possible use cases
3.3V
Battery
100 nF
V
DD
100 nF
4.7 μF
V
DD
Two different possible use cases
100nF
100 nF
2.2 μF
LDO enabled LDO disabled
V
CAP3
SMPS enabled
SMPS disabled
10 μF
220 pF
10 μF
4.7 μ F
10 μF
V
DD
2.2 μH
BKUP
IOs
V
DD
IOs
V
DD
domain
Refer to figure 2 for the use cases dependent
V
DDLDO
connections (no additional components)
Two different
possible use cases
4.7 μF
USB FS
IOs
SMPS
Switched Mode
Power Supply
step down
converter
Defines different use case options
Define power domaines
4.7 μF
LDO enabled
AN5419
Introduction
AN5419 - Rev 2
page 9/50

ST STM32H723ZG Specifications

General

Brand	ST
Model	STM32H723ZG
Category	Microcontrollers
Language	English