LM3S608 Datasheet, PDF (385/416 Pages) List of Unclassifed Manufacturers – Microcontroller

LM3S608 Microcontroller
19.1.3
19.1.4
On-Chip Low Drop-Out (LDO) Regulator Characteristics
Table 19-3. LDO Regulator Characteristics
Parameter Parameter Name
Min Nom Max Unit
V_LDOOUT Programmable internal (logic) power supply output value 2.25
2.75 V
Output voltage accuracy
- 2% - %
t_PON Power-on time
- - 100 µs
t_ON Time on
- - 200 µs
t_OFF Time off
- - 100 µs
V_STEP
C_LDO
Step programming incremental voltage
External filter capacitor size for internal power supply
- 50 - mV
1.0 - 3.0 µF
Power Specifications
The power measurements specified in the tables that follow are run on the core processor using
SRAM with the following specifications (except as noted):
■ V_DD = 3.3 V
■ Temperature = 25°C
Table 19-4. Detailed Power Specifications
Parameter
I_{DD_RUN}
Parameter Name
Conditions
Run mode 1 (Flash loop) LDO = 2.50 V
Nom Max Unit
95 110 mA
Code = while(1){} executed in Flash
Peripherals = All clock-gated ON
System Clock = 50 MHz (with PLL)
Run mode 2 (Flash loop) LDO = 2.50 V
60 75 mA
Code = while(1){} executed in Flash
Peripherals = All clock-gated OFF
System Clock = 50 MHz (with PLL)
Run mode 1 (SRAM loop) LDO = 2.50 V
85 95 mA
Code = while(1){} executed in SRAM
Peripherals = All clock-gated ON
System Clock = 50 MHz (with PLL)
Run mode 2 (SRAM loop) LDO = 2.50 V
50 60 mA
Code = while(1){} executed in SRAM
Peripherals = All clock-gated OFF
I_{DD_SLEEP} Sleep mode
System Clock = 50 MHz (with PLL)
LDO = 2.50 V
Peripherals = All clock-gated OFF
19 22 mA
System Clock = 50 MHz (with PLL)
October 01, 2007
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Preliminary