STM32L151C8U6ADTR datasheet(63/130 Pages) STMICROELECTRONICS

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STM32L151x6/8/B-A STM32L152x6/8/B-A

Electrical characteristics

105

Table 20. Current consumption in Sleep mode

Symbol Parameter

Conditions

fHCLK

Typ

Max(1)

1. Guaranteed by characterization results, unless otherwise specified.

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)

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

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

1 MHz

155

µA

2 MHz

78.5

235

4 MHz

140

370(3)

3. Guaranteed by test in production.

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

4 MHz

165

375

8 MHz

310

530

16 MHz

590

1000

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

8 MHz

350

615

16 MHz

680

1200

32 MHz 1600

2350

HSI clock source

(16 MHz)

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

16 MHz

640

970

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

32 MHz 1600

2350

MSI clock, 65 kHz

Range 3,

VCORE=1.2 V

VOS[1:0] = 11

65 kHz

MSI clock, 524 kHz

524 kHz

MSI clock, 4.2 MHz

4.2 MHz

145

210

Supply

current in

Sleep

mode,

Flash ON

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

60.5

145

µA

2 MHz

89.5

225

4 MHz

150

360

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

4 MHz

180

370

8 MHz

320

490

16 MHz

605

895

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

8 MHz

380

565

16 MHz

695

1070

32 MHz 1600

2200

HSI clock source

(16 MHz)

Range 2,

VCORE=1.5 V

VOS[1:0] = 10

16 MHz

650

970

Range 1,

VCORE=1.8 V

VOS[1:0] = 01

32 MHz 1600

2320

MSI clock, 65 kHz

Range 3,

VCORE=1.2V

VOS[1:0] = 11

65 kHz

29.5

MSI clock, 524 kHz

524 kHz

MSI clock, 4.2 MHz

4.2 MHz

155

220

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