STM32WLE4JC datasheet(74/146 Pages) STMICROELECTRONICS

部件名	STM32WLE4JC

功能描述	Multiprotocol LPWAN 32-bit Arm® Cortex®-M4 MCUs, LoRa®, (G)FSK, (G)MSK, BPSK, up to 256KB Flash, 64KB SRAM

PDF	146 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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74 / 146 page

Electrical characteristics

STM32WLE5/E4xx

74/146

DS13105 Rev 9

5.3.4

Operating conditions at power-up/power-down

Parameters given in the table below are derived from tests performed under the ambient

temperature condition summarized in Table 25: General operating conditions.

IDDLDO

LDO quiescent current

VDD = 3.3 V,

ILOAD = 0 to 100 mA,

current limiter off

-95-

µA

VDD = 3.3 V, ILOAD = 100 mA,

current limiter on

-380

VDD = 3.3 V, ILOAD = 50 mA,

current limiter on

-280

ILDO

LDO load current

100

LDTRLDO

Load transient for ILDO 100 µA to

100 mA in 10 µs

TSLDO

Sleep and Sleep, LDO startup time

For ILIM = 50 mA

µs

VDIG

Digital regulator target voltage

1.14

1.2

1.26

ILM(1)

Current limiter max value

200

1. The default current limiter value is set to 50 mA.

Table 32. Sub-GHz radio power management specifications (continued)

Symbol

Description

Conditions

Frequency

(MHz)

Unit

470

490

868

Table 33. Operating conditions at power-up/power-down

Symbol

Parameter

Min

Max

Unit

tVDD

VDD rise time rate

∞

µs/V

VDD fall time rate

∞

tVDDA

VDDA rise time rate

∞

VDDA fall time rate

∞

tVDDRF

VDDRF rise time rate

∞

VDDRF fall time rate

∞

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