STM32L151RCT6A Datasheet, PDF (67/136 Pages) STMicroelectronics – Ultra-low-power 32-bit MCU ARM-based Cortex-M3, 256KB Flash, 32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC

STM32L151xC STM32L152xC
Electrical characteristics
Table 21. Current consumption in Low power sleep mode
Symbol Parameter
Conditions
Typ
Max
(1)
Unit
MSI clock, 65 kHz
f_HCLK = 32 kHz
Flash OFF
T_A = -40 °C to 25 °C 4.4 -
MSI clock, 65 kHz ^{TA = -40 °C to 25 °C 18 21}
f_HCLK = 32 kHz
T_A = 85 °C
24 27
All
Flash ON
T_A = 105 °C
35 43
peripherals
OFF, V_DD MSI clock, 65 kHz
T_A = -40 °C to 25 °C 18.6
21
from 1.65 V f_HCLK = 65 kHz,
T_A = 85 °C
24.5 28
to 3.6 V Flash ON
T_A = 105 °C
35 42
T_A = -40 °C to 25 °C 22 25
Supply
I_DD
(LP Sleep)
current in
Low power
sleep
MSI clock, 131 kHz
f_HCLK = 131 kHz,
Flash ON
T_A = 55 °C
T_A = 85 °C
T_A = 105 °C
23.5 26
28.5 31
39 45
mode
T_A = -40 °C to 25 °C 18 20.5
MSI clock, 65 kHz
f_HCLK = 32 kHz
T_A = 85 °C
µA
24 27
TIM9 and
T_A = 105 °C
35 43
USART1
T_A = -40 °C to 25 °C 18.6 21
enabled,
Flash ON,
MSI clock, 65 kHz
f_HCLK = 65 kHz
T_A = 85 °C
24.5 28
V_DD from
T_A = 105 °C
35 42
1.65 V to
3.6 V
T_A = -40 °C to 25 °C 22 25
MSI clock, 131 kHz ^TA ^{= 55 °C}
23.5 26
f_HCLK = 131 kHz _{TA = 85 °C}
28.5 31
T_A = 105 °C
39 45
I_DD max
(LP Sleep)
Max
allowed
current in
Low power
Sleep
mode
V_DD from
1.65 V to
3.6 V
- 200
1. Based on characterization, not tested in production, unless otherwise specified.
Doc ID 022799 Rev 3
67/136