55
SLAS826F – MARCH 2015 – REVISED MARCH 2017
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Specifications
Copyright © 2015–2017, Texas Instruments Incorporated
5.25.4 Power Supply System
lists the LDO V
CORE
regulator characteristics.
Table 5-18. V
CORE
Regulator (LDO) Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
CORE0-HP
Static VCORE voltage Level 0
in active and LPM0 modes
Device power modes AM_LDO_VCORE0,
LPM0_LDO_VCORE0
1.12
1.2
1.28
V
V
CORE1-HP
Static VCORE voltage Level 1
in active and LPM0 modes
Device power modes AM_LDO_VCORE1,
LPM0_LDO_VCORE1
1.31
1.4
1.49
V
V
CORE0-LF
Static VCORE voltage Level 0
in low-frequency active and low
frequency LPM0 modes
Device power modes AM_LF_VCORE0
1.12
1.2
1.28
V
V
CORE1-LF
Static VCORE voltage Level 1
in low-frequency active and low
frequency LPM0 modes
Device power modes AM_LF_VCORE1
1.31
1.4
1.49
V
V
CORE0-LPM34
Static VCORE voltage Level 0
in LPM3 and LPM4 modes
Device power modes LPM3, LPM4
1.08
1.2
1.32
V
V
CORE1-LPM34
Static VCORE voltage Level 1
in LPM3 and LPM4 modes
Device power modes LPM3, LPM4
1.27
1.4
1.53
V
V
CORE0-LPM35
Static VCORE voltage Level 0
in LPM3.5 mode
Device power mode LPM3.5
1.08
1.2
1.32
V
I
INRUSH-ST
Inrush current at start-up
Device power-up
200
mA
I
PEAK-LDO
Peak current drawn by LDO
from DV
CC
350
mA
I
SC-coreLDO
Short circuit current limit for
core LDO
Measured when output is shorted to ground
300
mA
lists the DC-DC V
CORE
regulator characteristics.
(1)
When DV
CC
falls below this voltage, internally the regulator switches over to LDO from DC-DC.
Table 5-19. V
CORE
Regulator (DC-DC) Characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DV
CC-DCDC
Allowed DV
CC
range for DC-DC
operation
DCDC_FORCE = 1
1.8
3.7
V
V
DCDC_SO
(1)
DC-DC to LDO switch over
voltage
dDV
CC
/dt = 1 V/ms, DCDC_FORCE = 0
1.8
2.0
V
V
CORE0-DCDC
Static VCORE voltage Level 0 in
DC-DC high-performance modes
Device power modes
AM_DCDC_VCORE0,
LPM0_DCDC_VCORE0
1.12
1.2
1.28
V
V
CORE1-DCDC
Static VCORE voltage Level 1 in
DC-DC high-performance modes
Device power modes
AM_DCDC_VCORE1,
LPM0_DCDC_VCORE1
1.31
1.4
1.49
V
I
PEAK-DCDC
Peak current drawn by DC-DC
from DVCC
300
mA
I
SC-DCDC
Short circuit current limit for DC-
DC
Measured when output is shorted to
ground
500
mA