STM32F427AI datasheet(95/239 Pages) STMICROELECTRONICS

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STM32F427xx STM32F429xx

Electrical characteristics

197

VIN

Input voltage on RST and FT

pins(7)

≤VDD ≤3.6 V

− 0.3

5.5

VDD ≤2V

− 0.3

5.2

Input voltage on TTa pins

− 0.3

VDDA+

0.3

Input voltage on BOOT0 pin

Power dissipation at TA = 85 °C

for suffix 6 or TA = 105 °C for

suffix 7(8)

LQFP100

465

WLCSP143

641

LQFP144

500

UFBGA169

385

LQFP176

526

UFBGA176

513

LQFP208

1053

TFBGA216

690

Ambient temperature for 6 suffix

version

Maximum power dissipation

− 40

°C

Low power dissipation(9)

− 40

105

Ambient temperature for 7 suffix

version

Maximum power dissipation

− 40

105

°C

Low power dissipation(9)

− 40

125

Junction temperature range

6 suffix version

− 40

105

°C

7 suffix version

− 40

125

1. The over-drive mode is not supported at the voltage ranges from 1.7 to 2.1 V.

2. VDD/VDDA minimum value of 1.7 V is obtained with the use of an external power supply supervisor (refer to Section 3.17.2:

Internal reset OFF).

3. When the ADC is used, refer to Table 74: ADC characteristics.

4. If VREF+ pin is present, it must respect the following condition: VDDA-VREF+ < 1.2 V.

5. It is recommended to power VDD and VDDA from the same source. A maximum difference of 300 mV between VDD and VDDA

can be tolerated during power-up and power-down operation.

6. The over-drive mode is not supported when the internal regulator is OFF.

7. To sustain a voltage higher than VDD+0.3, the internal Pull-up and Pull-Down resistors must be disabled

8. If TA is lower, higher PD values are allowed as long as TJ does not exceed TJmax.

9. In low power dissipation state, TA can be extended to this range as long as TJ does not exceed TJmax.

Table 17. General operating conditions (continued)

Symbol

Parameter

Conditions(1)

Min

Typ

Max

Unit

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