STM32L151XE datasheet(67/134 Pages) STMICROELECTRONICS

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STM32L151xE STM32L152xE

Electrical characteristics

113

Table 19. Current consumption in Sleep mode

Symbol

Parameter

Conditions

fHCLK

Typ

Max(1)

Unit

IDD (Sleep)

Supply current

in Sleep

mode, Flash

OFF

fHSE = fHCLK up to

16 MHz included,

fHSE = fHCLK/2

above 16 MHz (PLL

ON)(2)

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

1 MHz

220

µA

2 MHz

300

4 MHz

140

380

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

4 MHz

175

500

8 MHz

330

700

16 MHz

625

1100

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

8 MHz

395

800

16 MHz

760

1250

32 MHz

1700

2700

HSI clock source

(16 MHz)

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

16 MHz

670

1100

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

32 MHz

1750

2700

MSI clock, 65 kHz

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

65 kHz

MSI clock, 524 kHz

524 kHz

110

MSI clock, 4.2 MHz

4.2 MHz

150

273

Supply current

in Sleep

mode, Flash

fHSE = fHCLK up to

16 MHz included,

fHSE = fHCLK/2

above 16 MHz (PLL

ON)(2)

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

1 MHz

250

2 MHz

300

4 MHz

155

380

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

4 MHz

190

500

8 MHz

340

700

16 MHz

640

1120

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

8 MHz

410

800

16 MHz

770

1300

32 MHz

1750

2700

HSI clock source

(16 MHz)

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

16 MHz

690

1160

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

32 MHz

1750

2800

Supply current

in Sleep

mode, Flash

MSI clock, 65 kHz

Range 3,

VCORE=1.2V

VOS[1:0] = 11

65 kHz

105

MSI clock, 524 kHz

524 kHz

125

MSI clock, 4.2 MHz

4.2 MHz

160

290

1. Guaranteed by characterization results, unless otherwise specified.

2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register)

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