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STM32H7B3AI 数据表(PDF) 95 Page - STMicroelectronics

部件名 STM32H7B3AI
功能描述  32-bit Arm® Cortex®-M7 280 MHz MCUs, 2-Mbyte flash memory, 1.4-Mbyte RAM, 46 com. and analog interfaces, SMPS, crypto
PDF  238 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32H7B3AI 数据表(HTML) 95 Page - STMicroelectronics

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Table 34. Typical and maximum current consumption in Run mode, code with data processing running from ITCM,
regulator ON
Data are in DTCM for best computation performance. In this case, the cache has no influence on consumption.
Symbol
Parameter
Conditions
frcc_cpu_ck
(MHz)
Typ
LDO
Typ
SMPS
Max(1)(2)
unit
TJ =
25 °C
TJ =
85 °C
TJ =
105 °C
TJ =
130 °C
IDD
Supply current in
Run mode
All peripherals
disabled
VOS0
280
69.5
34.0
77
106
128
173
mA
225
56.5
27.5
64
92
114
159
VOS1
225
52.0
24.0
58
80
98
136
200
46.5
21.0
52
75
93
130
180
42
19.0
47
70
88
125
168
39
18.0
45
67
85
122
160
37.5
17.0
43
65
83
120
VOS2
160
34.0
14.5
38
56
70
101
144
30.5
13.0
35
52
67
97
88
19.0
8.5
23
41
55
85
VOS3
88
18.0
7.5
21
35
46
71
60
12.5
5.5
16
29
41
66
25
6.0
3.0
9
23
34
59
All peripherals
enabled
VOS0
280
133.5
63.5
142
173
196
242
225
108.0
51.5
115
146
168
214
VOS1
225
99.0
45.0
105
129
147
185
160
71.5
32.5
77
100
118
156
VOS2
160
65.0
27.5
69
87
102
132
88
41.5
17.5
45
63
77
108
VOS3
88
38.0
15.0
41
55
66
91
1. Guaranteed by characterization results, unless otherwise specified.
2. The maximum values are given for LDO regulator ON. Refer to Section 6.3.3 SMPS step-down converter for the SMPS maximum current
consumption.
STM32H7B3xI
Operating conditions
DS13139 - Rev 8
page 95/238



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