STM32MP157C datasheet(134/258 Pages) STMICROELECTRONICS

номер детали	STM32MP157C

подробное описание детали	Arm® dual Cortex®-A7 650 MHz Cortex®-M4 MPU, 3D GPU, TFT/DSI, 37 comm. interfaces, 29 timers, adv. analog, crypto

PDF	258 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

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134 / 258 page

Electrical characteristics

STM32MP157C

134/258

DS12505 Rev 2

6.3.5

Embedded regulators characteristics

The parameters given in Table 18, Table 19, Table 20 are derived from tests performed

under ambient temperature and VDD supply voltage conditions summarized in Table 13:

General operating conditions.

REG1V1 embedded regulator (USB_PHY)

REG_1V2 embedded regulator (DSI)

Table 18. REG1V1 embedded regulator (USB_PHY) characteristics(1)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VDDA1V1_

REG

Regulated output voltage

1.045

1.1

1.155

Load Capacitor

1.1

2.2(2)

3.3

µF

esr

Equivalent Serial Resistor of Cload

0.1

600

mΩ

Iload

Static load current(3)

-0

tSTART

Start-up time. from

PWR_CR3.REG11EN = 1 to

PWR_CR3.REG11RDY = 1

CL=2.2uF

µs

CL=3.3uF

180

IINRUSH

VDD Inrush Current to load external

capacitor at start

IVDD

Regulator Current consumption on

VDD

Regulator Enabled and Iload =

0 mA

150

205

µA

Regulator Enabled and Iload =

30 mA

176

242

1. Guaranteed by design.

2. For better dynamic performances a 2.2 μF typical value external capacitor is recommended.

3. Load is for internal STM32MP157C analog blocks, no additional external load is accepted unless mentioned.

Table 19. REG1V2 embedded regulator (DSI) characteristics(1)

Symbol

Parameter

Condition

Min

Typ

Max

Unit

VDD1V2_D

SI_REG

Regulated output voltage

1.15

1.2

1.26

Load Capacitor

0.5

2.2(2)

3.3

µF

esr

Equivalent Serial Resistor of Cload

0.1

600

mΩ

Iload

Static load current(3)

tSTART

Start-up time. from

DSI_WRPCR.REGEN = 1 to

DSI_WISR.RRS = 1

CL=2.2uF

µs

CL=3.3uF

164

IINRUSH

VDD Inrush Current to load external

capacitor at start

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