STM32F446ME datasheet(91/201 Pages) STMICROELECTRONICS

部件名	STM32F446ME

功能描述	8- to 14-bit parallel camera interface up to 54 Mbytes

PDF	201 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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91 / 201 page

DocID027107 Rev 5

91/201

STM32F446xC/E

Electrical characteristics

174

Figure 21. Typical VBAT current consumption

(RTC ON/backup RAM OFF and LSE in low power mode)

Table 29. Typical and maximum current consumptions in VBAT mode

Symbol

Parameter

Conditions(1)

Typ

Max(2)

Unit

TA = 25 °C

TA =

85 °C

TA =

105 °C

VBAT

1.7 V

VBAT=

2.4 V

VBAT

3.3 V

VBAT = 3.6 V

IDD_VBAT

Backup

domain

supply

current

Backup SRAM ON, RTC ON

and LSE oscillator in low power

mode

1.46

1.62

1.83

µA

Backup SRAM OFF, RTC ON

and LSE oscillator in low power

mode

0.72

0.85

1.00

Backup SRAM ON, RTC ON

and LSE oscillator in high drive

mode

2.24

2.40

2.64

Backup SRAM OFF, RTC ON

and LSE oscillator in high drive

mode

1.50

1.64

1.86

Backup SRAM ON, RTC and

LSE OFF

0.74

0.75

0.78

Backup SRAM OFF, RTC and

LSE OFF

0.05

1. Crystal used: Abracon ABS07-120-32.768 kHz-T with a CL of 6 pF for typical values.

2. Guaranteed based on test during characterization.

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