0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
1.8
2.2
2.6
3
3.4
V
– LDOO Supply Voltage – V
LDOO
V
IT+
, postive-going input threshold
V , negative-going input threshold
IT–
T = 25°C, 8
A
5°C
Input Threshold
–
V
MSP430F6438, MSP430F6436, MSP430F6435, MSP430F6433
SLAS720D – AUGUST 2010 – REVISED DECEMBER 2015
Figure 5-25. Ports PU.0, PU.1 Typical Input Threshold Characteristics
5.53 LDO-PWR (LDO Power System)
over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V
CC
MIN
TYP
MAX
UNIT
V
LAUNCH
LDO input detection threshold
3.75
V
V
LDOI
LDO input voltage
Normal operation
3.76
5.5
V
V
LDO
LDO output voltage
3.3
±9%
V
LDOO terminal input voltage with LDO
V
LDO_EXT
LDO disabled
1.8
3.6
V
disabled
I
LDOO
Maximum external current from LDOO terminal
LDO is on
20
mA
I
DET
LDO current overload detection
(1)
60
100
mA
C
LDOI
LDOI terminal recommended capacitance
4.7
µF
C
LDOO
LDOO terminal recommended capacitance
220
nF
Within 2%,
t
ENABLE
Settling time V
LDO
2
ms
recommended capacitances
(1)
A current overload is detected when the total current supplied from the LDO exceeds this value.
Copyright © 2010–2015, Texas Instruments Incorporated
Specifications
53
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